Article for use in non-combustible aerosol provision system
The use of an amorphous solid material in the mouthpiece of non-combustion aerosol supply systems addresses the issue of overheating and flavor addition, ensuring a comfortable temperature and enhanced flavor delivery.
Patent Information
- Application Number
- JP2025047695
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2019-11-29
- Filing Date
- 2025-03-24
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2040-11-27
AI Technical Summary
Conventional non-combustion aerosol supply systems face issues with aerosols becoming too hot when reaching the consumer's lips and lack a straightforward method to add additional flavor without complicating the manufacturing process.
Incorporating a mouthpiece made of an amorphous solid material in the aerosol supply system, which is gathered and wound to form a cylindrical body, providing a cooling effect and allowing for the addition of flavor without complicating the manufacturing process.
The amorphous solid material in the mouthpiece cools the aerosol, preventing it from overheating and enables the addition of flavor, enhancing the user experience by maintaining a comfortable temperature and improving flavor characteristics.
Smart Images

Figure 2025098128000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to an article for use in a non-combustion aerosol supply system and a non-combustion aerosol supply system including the article.
Background Art
[0002] Smoking articles such as cigarettes and cigars burn tobacco during use to generate smoke. Another type of smoking article generates an inhalable aerosol or vapor by releasing a compound from a substrate without burning. These articles are referred to as non-combustion smoking articles or aerosol supply systems. Such articles commonly include a mouthpiece that allows the aerosol to pass through and reach the user's mouth.
Summary of the Invention
[0003] A first aspect of the present invention provides an article for use in a non-combustion aerosol supply system, the article including a mouthpiece including a material body, the material body including an amorphous solid material.
[0004] A second aspect of the present invention provides an article for use in a non-combustion aerosol supply system including a mouthpiece according to the first aspect of the present invention connected to an aerosol generating material source.
[0005] A third aspect of the present invention provides a non-combustion aerosol supply system including an article according to the second aspect of the present invention and a non-combustion aerosol supply device.
[0006] A fourth aspect of the present invention provides a method for forming an article according to the first aspect of the present invention.
Brief Description of the Drawings
[0007] Embodiments of the present invention will be described by way of example only with reference to the accompanying drawings.
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DETAILED DESCRIPTION OF THE INVENTION
[0008] In this specification, the term "supply system" is intended to encompass a system that supplies at least one substance to a user, including the following: Combustible aerosol supply systems such as cigarettes, cigars, cigars and pipes or tobacco for hand-rolled or self-made cigarettes (regardless of whether they are based on tobacco, tobacco derivatives, expanded tobacco, recycled tobacco, tobacco substitutes or other smoking materials), etc. Combustion-based aerosol supply systems such as cigarettes, cigars, cigars and pipes or tobacco for hand-rolled or self-made cigarettes (regardless of whether they are based on tobacco, tobacco derivatives, expanded tobacco, recycled tobacco, tobacco substitutes or other smoking materials), Non-combustible aerosol supply systems that release compounds from aerosol-generating materials without burning the aerosol-generating materials, such as electronic cigarettes, tobacco heating products, and hybrid systems that generate aerosols using a combination of aerosol-generating materials, and Supply systems that do not contain aerosols and supply at least one of the above substances, which may or may not contain nicotine, to the user orally, nasally, transdermally or by another method, including but not limited to oral products such as lozenges, gums, patches, articles containing powder that can be inhaled through patches, and oral tobacco containing snus or moist snus.
[0009] In the present disclosure, a "combustion-based" aerosol supply system is a system that burns the aerosolizable material that constitutes the aerosol supply system (or its components) in order to facilitate delivery to the user.
[0010] In the present disclosure, a "non-combustion-based" aerosol supply system is a system that does not burn or ignite the aerosol-generating material that constitutes the aerosol supply system (or its components) in order to facilitate the delivery of at least one substance to the user.
[0011] In the embodiments described herein, the delivery system is a non-combustion-based aerosol supply system, such as an electric non-combustion-based aerosol supply system.
[0012] In some embodiments, the non-combustion aerosol supply system is an electronic cigarette, also known as a vaping device or an electronic nicotine delivery system (END), but it should be noted that the presence of nicotine in the aerosol generating material is not a requirement.
[0013] In some embodiments, the non-combustion aerosol supply system is an aerosol generating material heating system, also known as a non-combustion heating system. An example of such a system is a tobacco heating system.
[0014] In some embodiments, the non-combustion aerosol supply system is a hybrid system that uses a combination of aerosol generating materials to generate an aerosol, and one or more of these materials can be heated. Each of the aerosol generating materials can be, for example, in the form of a solid, liquid, or gel, and may or may not contain nicotine. In some embodiments, the hybrid system includes a liquid or gel aerosol generating material and a solid aerosol generating material. The solid aerosol generating material may include, for example, tobacco or non-tobacco products.
[0015] Typically, the non-combustion aerosol supply system may include a non-combustion aerosol supply device and a consumable for use with the non-combustion aerosol supply device.
[0016] In some embodiments, the present disclosure relates to consumables that include an aerosol generating material and are configured for use with a non-combustion aerosol supply device. These consumables are sometimes referred to as articles throughout the present disclosure.
[0017] In some embodiments, the non-combustion aerosol supply system, for example, its non-combustion aerosol supply device, may include a power source and a controller. The power source may be, for example, a power supply or a heat generating power source. In some embodiments, the heat generating power source includes a carbon substrate, which is excited to distribute power in the form of heat to an aerosol generating material or a heat conducting material proximate to the heat generating power source.
[0018] In some embodiments, the non-combustion aerosol supply system may include a region for accommodating consumables, an aerosol generator, and an aerosol generation region, a housing, a mouthpiece, a filter, and / or an aerosol modifier.
[0019] In some embodiments, the consumables for use in the non-combustion aerosol supply system may include an aerosol generating material, an aerosol generating material storage region, an aerosol generating material transfer component, an aerosol generator, an aerosol generation region, a housing, a wrapper, a filter, a mouthpiece, and / or an aerosol modifier.
[0020] In some embodiments, the substance to be supplied may be an aerosol generating material or a material not intended to be aerosolized. Optionally, any material may include one or more active ingredients, one or more flavoring agents, one or more aerosol forming materials, and / or one or more other functional materials.
[0021] In some embodiments, the substance to be supplied contains an active substance.
[0022] The active substance used in the present invention is a physiologically active material intended to achieve or enhance a physiological reaction. The active substance may be selected, for example, from dietary supplements, nootropics, and psychotropic drugs. The active substance may be naturally occurring or synthetically obtained. The active substance may include, for example, nicotine, caffeine, taurine, theine, vitamins such as B6, B12, or C, melatonin, cannabinoids, or components, derivatives, or mixtures thereof. The active substance may include one or more components, derivatives, or extracts of tobacco, cannabis, or other plants.
[0023] In some embodiments, the active substance contains nicotine. In some embodiments, the active substance contains caffeine, melatonin, or vitamin B 12 and includes.
[0024] As described herein, the active substance may comprise or be derived from a plant or its components, derivatives or extracts. The term "plant" as used herein includes, but is not limited to, any material derived from a plant such as extracts, leaves, bark, fibers, stems, roots, seeds, flowers, fruits, pollen, husks, pods, etc. Alternatively, the material may comprise active compounds naturally present in plants obtained synthetically. The material may be in the form of a liquid, gas, solid, powder, dust, crushed particles, granules, pellets, pieces, strips, sheets, etc. Examples of plants include tobacco, eucalyptus, camphor tree, mugwort, cocoa, cannabis, dandelion, lemongrass, peppermint, spearmint, rooibos, chamomile, flax, ginger, ginkgo, nettle, hibiscus, laurel, licorice, matcha, mate tea, orange peel, papaya, rose, sage, green tea or black tea, thyme, star anise, cinnamon, coffee, aniseed, basil, bay leaf, cardamom, coriander, cumin, nutmeg, oregano, paprika, rosemary, saffron, lavender, lemon peel, mint, bilberry, nasturtium flower, vanilla, koji, artemisia princeps, turmeric, curcuma, sandalwood, silantro, bergamot, neroli, kinkan, blackcurrant, butterbur, pimento, mace, damiana, carnation, olive, lemon balm, lemon basil, chive, dandelion, vervain, tarragon, geranium, mulberry, ginseng, theanine, theacrine, maca, ashwagandha, damiana, guarana, chlorophyll, baobab or any combination thereof. The mint may be selected from the following mint species: peppermint, Moroccan mint, Egyptian mint, peppermint, odoratum mint, candy mint, curly mint, Kentucky colonel mint, horsemint, pineapple mint, pennyroyal mint, English spearmint and marshmallow mint.
[0025] In some embodiments, the active substance may comprise or be derived from one or more of a plant or its components, derivatives or extracts, and the plant is tobacco.
[0026] In some embodiments, the active substance may comprise or be derived from one or more of plants or their components, derivatives or extracts, and the plants are selected from eucalyptus, camphor tree, cocoa and giant knotweed.
[0027] In some embodiments, it may comprise or be derived from one or more of plants or their components, derivatives or extracts, and the plants are selected from rooibos and viola.
[0028] In some embodiments, the substance comprises a flavorant.
[0029] As used herein, the terms "flavoring agent" and "flavor enhancer" are permitted by local regulations and are used to produce tastes, scents or other somatic sensory stimuli desired by adult consumers.They include naturally occurring flavor materials, plants, plant extracts, synthetically obtained materials, or combinations thereof (e.g., tobacco, cannabis, licorice, hydrangea, eugenol, phyllostachys pubescens leaves, chamomile, fenugreek, clove, maple, matcha, menthol, Japanese mint, aniseed, cinnamon, turmeric, Indian spices, Asian spices, herbs, kojic acid, strawberry, berry, red berry, cranberry, peach, apple, orange, mango, clementine, lemon, lime, tropical fruit, papaya, daikon, grape, durian, dragon fruit, cucumber, blueberry, mulberry, citrus fruits, damson, bourbon, scotch, whiskey, gin, tequila, rum, spearmint, peppermint, lavender, aloe, cardamom, celery, cascarilla, nutmeg, sandalwood, bergamot, geranium, chat, naswar, kinma, shisha, pine, honey extract, rose oil, vanilla, lemon oil, orange oil, neroli, strawberry flower, cassia, caraway, cognac, jasmine, ylang-ylang, sage, perilla, wasabi, pimento, ginger, coriander, coffee, mugwort, peppermint oil from any species of the genus Mentha, eucalyptus, torreya nucifera, cocoa, lemongrass, rooibos, flax, ginkgo, hashish, hibiscus, laurel, mate tea, orange peel, rose, tea such as green tea or black tea, thyme, byakushin, nasturtium flower, basil, bay leaf, cumin, oregano, paprika, rosemary, saffron, lemon peel, mint, chrysanthemum, curcuma, silantro, gynura bicolor, blackcurrant, lithospermum erythrorhizon, pimento, mace, damiana, alchemilla, olive, lemon balm, lemon basil, chive, perilla, verbena, tarragon, limonene, thymol, camphor), seasonings, bitter receptor site blockers, sensory receptor site activators or stimulants, sugars and / or sugar substitutes (e.g., sucralose, acesulfame potassium, aspartame, saccharin, cyclamate, lactose, sucrose, glucose, fructose, sorbitol, mannitol, etc.), and other additives such as charcoal, chlorophyll, minerals, plants, or odor suppressants.They may be imitations, synthetic or natural ingredients, or blends thereof. They may be in any suitable form, such as a liquid like an oil, a solid like a powder, or a gas.
[0030] In some embodiments, the flavorant includes menthol, spearmint, and / or peppermint. In some embodiments, the flavorant includes flavor components of cucumber, blueberry, citrus, and / or redberry. In some embodiments, the flavorant includes eugenol. In some embodiments, the flavorant includes flavor components extracted from tobacco. In some embodiments, the flavorant includes flavor components extracted from cannabis.
[0031] In some embodiments, the flavorant may include a sensory stimulant, which is chemically induced and recognized by the stimulation of the fifth cranial nerve (trigeminal nerve), in addition to or instead of the aroma or taste nerves, and they may include agents that give a heating, cooling, tingling, or numbing sensation. Suitable heat agents include, but are not limited to, vanillyl ethyl ether, and suitable cooling agents include, but are not limited to, eucalyptol and WS-3.
[0032] The aerosol generating material is a material that can generate an aerosol when excited, for example, by heating, irradiation, or some other method. The aerosol generating material may be in the form of a solid, liquid, or gel, which may or may not contain, for example, an active substance and / or a flavorant. In some embodiments, the aerosol generating material may include an "amorphous solid", which is also sometimes referred to as a "monolithic solid" (i.e., non-fibrous). In some embodiments, the amorphous solid may be a dry gel. An amorphous solid is a solid material that holds a fluid such as a liquid inside it. In some embodiments, the aerosol generating material includes from about 50 wt%, 60 wt%, or 70 wt% amorphous solid to about 90 wt%, 95 wt%, or 100 wt% amorphous solid.
[0033] The aerosol generating material may include one or more active substances and / or flavorants, one or more aerosol forming materials, and, if necessary, one or more other functional materials.
[0034] The aerosol forming material may contain one or more components capable of forming an aerosol. In some embodiments, the aerosol forming material may contain one or more of glycerin, glycerol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,3 - butylene glycol, erythritol, meso - erythritol, ethyl vanillate, ethyl laurate, diethyl suberate, triethyl citrate, triacetin, diacetin mixture, benzyl benzoate, benzyl phenyl acetate, tributyrin, lauryl acetate, lauric acid, myristic acid, and propylene carbonate. In other embodiments, the aerosol forming agent may contain one or more polyhydric alcohols such as 1,3 - butanediol, esters of polyhydric alcohols such as glycerol mono, di or triacetate and / or aliphatic esters of mono, di or polycarboxylic acids such as dimethyl dodecanedioate and dimethyl tetradecanedioate.
[0035] The one or more functional materials may contain one or more of a pH regulator, a colorant, a preservative, a binder, a filler, a stabilizer and / or an antioxidant.
[0036] The forming material may be on or within a support to form a substrate. The support may be, for example, paper, cardboard, paperboard, thick paper, recycled material, plastic material, ceramic material, composite material, glass, metal or metal alloy or may contain them. In some embodiments, the support contains a susceptor. In some embodiments, the susceptor is embedded in the above materials. In some other embodiments, the susceptor is on one or both sides of the material.
[0037] A consumable is an article that contains or consists of an aerosol generating material intended to be partially or wholly consumed by a user during use. The consumable may include one or more other members such as an aerosol generating material storage area, an aerosol generating material transfer member, an aerosol generating area, a housing, a wrapper, a mouthpiece, a filter and / or an aerosol modifier. The consumable may also include an aerosol generator such as a heater that radiates heat so that the aerosol generating material generates an aerosol during use. The heater may include, for example, a combustion-based material, a material heatable by electrical conduction or a susceptor.
[0038] A susceptor is a material heatable by the intrusion of a fluctuating magnetic field such as an alternating magnetic field. The susceptor may be a conductive material and may cause induction heating of the heating material by the intrusion of the fluctuating magnetic field. The heating material may be a conductive material and may cause magnetic hysteresis heating of the heating material by the intrusion of the fluctuating magnetic field. The susceptor may be due to both conductivity and magnetic force, whereby the heating material can be heated by both heating mechanisms. An apparatus configured to generate a fluctuating magnetic field is referred to herein as a magnetic field generator.
[0039] An aerosol modifier is typically located downstream of the aerosol generating area and is a substance configured to modify the generated aerosol, for example, by changing the taste, flavor, acidity or another characteristic of the aerosol. The aerosol modifier may be provided within an aerosol modifier release member operable to selectively release the aerosol modifier.
[0040] The aerosol modifier may be, for example, an additive or an adsorbent. The aerosol modifier may include, for example, one or more of a flavoring agent, a coloring agent, water and a carbon adsorbent. The aerosol modifier may be, for example, a solid, a liquid or a gel. The aerosol modifier may be a powder, a thread or a granule. The aerosol modifier may not include a filter material.
[0041] An aerosol generator is a device configured to generate an aerosol from an aerosol generating material. In some embodiments, the aerosol generator is a heater configured to expose the aerosol generating material to thermal energy and release one or more volatile substances from the aerosol generating material to form an aerosol. In some embodiments, the aerosol generator is configured to generate an aerosol from the aerosol generating material without heating. For example, the aerosol generator may be configured to expose the aerosol generating material to one or more of vibration, high pressure, or electrostatic energy.
[0042] The aerosol generating material may be a carrier provided with an amorphous solid thereon. The carrier functions as a support on which an amorphous solid layer is formed to facilitate manufacturing. The carrier may provide tensile strength to the amorphous solid layer for ease of handling.
[0043] The mouthpiece of the article may preferably include an amorphous solid material in the form of a gathered sheet of amorphous solid material.
[0044] The present invention provides a mouthpiece including an amorphous solid material. By including the amorphous solid material in the mouthpiece, a surprising discovery has been made that it has desirable flavor characteristics, results in a good aerosol at low temperatures, and improves the user's sensation.
[0045] In this case, the amorphous solid material is a gathered, wound, or coiled sheet. In some cases, the sheet may be incorporated into a sheet-like mouthpiece. In another example, the sheet may be engraved and incorporated into the mouthpiece.
[0046] The aerosol generating material containing the amorphous solid has a surface density of 30 g / m 2 ~120 g / m 2 and may have any suitable surface density such as. In some cases, the sheet has a surface density of 80 - 120 g / m 2 or about 70 - 110 g / m 2 or particularly about 90 - 110 g / m 2Or preferably has a mass per unit area of about 100 g / m 2 of.
[0047] In some examples, the sheet-like amorphous solid may have a tensile strength of about 200 N / m to about 900 N / m. In some examples where the amorphous solid does not contain a filler, the amorphous solid may have a tensile strength of 200 N / m to 400 N / m or 200 N / m to 300 N / m or about 250 N / m.
[0048] In some examples where the amorphous solid contains a filler, the amorphous solid may have a tensile strength of 600 N / m to 900 N / m or 700 N / m to 900 N / m or about 800 N / m. Such tensile strength is particularly suitable for embodiments in which the amorphous solid material is contained in an aerosol generating article / assembly in the form of a rolled sheet, preferably a tube.
[0049] In some cases, the carrier layer may be substantially or completely impermeable to gases and / or aerosols. This prevents the aerosol or gas from passing through the carrier, controls the flow, and ensures a good supply to the user.
[0050] The carrier may be any suitable material that can be used to support the amorphous solid. In some cases, the carrier may be formed from a material selected from metal foils, paper, carbon paper, greaseproof paper, ceramics, carbon allotropes such as graphite and graphene, plastics, cardboard, wood, or combinations thereof. In some cases, the carrier may include or consist of a tobacco material such as a recycled tobacco sheet. In some cases, the carrier may be formed from a material selected from metal foils, paper, cardboard, wood, or combinations thereof. In some cases, the carrier may be a laminated structure including a layer of a material selected from the above examples. In some cases, the carrier may function as a flavor carrier. For example, the carrier may be impregnated with a flavorant or a tobacco extract.
[0051] In some cases, the surface of the carrier in contact with the amorphous solid may be porous. For example, in some cases, the carrier includes paper. The inventor has found that a porous carrier such as paper is particularly suitable for the present invention, and has discovered that the porous (paper) layer contacts the solid layer and adheres firmly. The amorphous solid is formed by drying a gel, and without being limited by any theory, it is considered that when the gel is cured and crosslinked, part of the slurry from which the gel is formed impregnates a porous carrier (such as paper) so that the carrier is partially bonded to the gel. This strongly bonds between the gel and the carrier (and between the dried gel and the carrier).
[0052] In addition, surface roughness contributes to the strength of the adhesion between the amorphous solid and the carrier. The inventor has found that the roughness of the paper (the surface in contact with the carrier) is in the range of 50 to 1000 Bekk seconds, preferably in the range of 50 to 150 Bekk seconds, and more preferably 100 Bekk seconds (measured in an air pressure interval of 50.66 to 48.00 kPa). (The Bekk smoothness tester is a device used to measure the smoothness of the surface of paper through which air leaks between a smooth glass surface and a paper sample at a specific pressure, and the time (seconds) for a predetermined amount of air to ooze between these surfaces is the "Bekk smoothness".) In another case, it has been found that a laminate of paper and greaseproof paper is particularly useful for the present invention. The paper layer contacts the amorphous solid, and the sticky amorphous solid does not easily adhere to the greaseproof paper carrier backing sheet.
[0053] In some cases, the carrier has a thickness of from about 0.010 mm to about 2.0 mm, preferably about 0.015 mm, 0.02 mm, 0.05 mm or 0.1 mm to about 1.5 mm, 1.0 mm or 0.5 mm.
[0054] In some cases, the amorphous solid layer has a thickness of from about 0.015 mm to about 1.5 mm, preferably about 0.0 5 mm to about 1.5 mm or 0.05 mm to about 1.0 mm. Preferably the thickness It may be in the range of about 0.1 mm or 0.15 mm to about 1 mm, 0.5 mm or 0.3 mm. The amorphous solid may include two or more layers, and the thickness described herein means the total thickness of these layers.
[0055] The thickness defined herein is the average thickness of the material. In some cases, the thickness of the amorphous solid may vary within 25%, 20%, 15%, 10%, 5% or 1%.
[0056] In some cases, the amorphous solid may contain 1 to 60 wt% of a gelling agent, and these weights are calculated on a dry weight basis.
[0057] Preferably, the amorphous solid may contain about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt%, 30 wt% or 27 wt% of a gelling agent (all calculated on a dry weight basis). For example, the amorphous solid may contain 1 to 50 wt%, 5 to 40 wt%, 10 to 30 wt% or 15 to 27 wt% of a gelling agent.
[0058] The gelling agent may include one or more compounds selected from cellulose-based gelling agents, non-cellulose-based gelling agents, guar gum, acacia gum and mixtures thereof.
[0059] In some embodiments, the cellulose-based gelling agent consists of hydroxypropylmethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose (CMC), hydroxypropylmethylcellulose (HPMC), methylcellulose, ethylcellulose, cellulose acetate (CA), cellulose acetate butyrate (CAB), cellulose acetate propionate (CAP) and combinations thereof selected from the group.
[0060] In some embodiments, the gelling agent comprises (or is) one or more of hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methylcellulose (HPMC), carboxymethyl cellulose, guar gum, or gum acacia.
[0061] In some embodiments, the gelling agent comprises (or is) one or more non-cellulosic gelling agents including, but not limited to, agar, xanthan gum, gum arabic, guar gum, locust bean gum, pectin, carrageenan, starch, alginate, and combinations thereof. In a preferred embodiment, the non-cellulosic gelling agent is alginate or agar.
[0062] In some embodiments, the gelling agent comprises a hydrocolloid. In some embodiments, the gelling agent comprises one or more compounds selected from alginates, pectins, starches (and derivatives), celluloses (and derivatives), gums, silica or silicone compounds, clays, polyvinyl alcohol, and combinations thereof. For example, in some embodiments, the gelling agent comprises one or more of alginates, pectins, hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, pullulan, xanthan gum, guar gum, carrageenan, agarose, gum acacia, fumed silica, PDMS, sodium silicate, kaolin, and polyvinyl alcohol. Optionally, the gelling agent comprises alginate and / or pectin and may be mixed with a curing agent (such as a calcium source) during the formation of the amorphous solid. Optionally, the amorphous solid may comprise alginate crosslinked with calcium and / or pectin crosslinked with calcium.
[0063] In some embodiments, the gelling agent comprises alginate, and the alginate is included in the amorphous solid in an amount of 10-30 wt% (calculated on a dry weight basis) of the amorphous solid. In some embodiments, the alginate is the only gelling agent included in the amorphous solid. In other embodiments, the gelling agent comprises alginate and at least one additional gelling agent such as pectin.
[0064] In some embodiments, the amorphous solid may include a gelling agent including carrageenan.
[0065] Preferably, the amorphous solid may include from about 0.1 wt%, 0.5 wt%, 1 wt%, 3 wt%, 5 wt%, 7 wt% or 10% to about 50 wt%, 45 wt%, 40 wt%, 35 wt%, 30 wt% or 25 wt% (calculated on a dry weight basis) of an aerosol generating agent. The aerosol generating agent may act as a plasticizer. For example, the amorphous solid may include 0.5 to 40 wt%, 3 to 35 wt% or 10 to 25 wt% of an aerosol generating agent. In some cases, the aerosol generating agent includes one or more compounds selected from erythritol, propylene glycol, glycerol, triacetin, sorbitol and xylitol. In some cases, the aerosol generating agent includes glycerol, consists essentially of glycerol, or consists of glycerol. The inventors have confirmed that if the content of the plasticizer is too high, the amorphous solid absorbs water and becomes a material that does not provide a suitable consumption experience during use. The inventors have confirmed that if the content of the plasticizer is too low, the amorphous solid becomes brittle and easily breakable. The amounts of plasticizer specified herein impart flexibility to the amorphous solid such that the amorphous solid sheet can be wound around a bobbin useful for the manufacture of aerosol generating articles.
[0066] The amorphous solid may include a flavoring agent. In some cases, the amorphous solid may include up to about 80 wt%, 70 wt%, 60 wt%, 55 wt%, 50 wt% or 45 wt% of a flavoring agent. In some cases, the amorphous solid may include at least about 0.1 wt%, 1 wt%, 10 wt%, 20 wt%, 30 wt%, 35 wt% or 40 wt% of a flavoring agent (calculated on a dry weight basis). For example, the amorphous solid may include 1 to 80 wt%, 10 to 80 wt%, 20 to 70 wt%, 30 to 60 wt%, 35 to 55 wt% or 30 to 45 wt% of a flavoring agent. In some cases, the flavorant includes menthol, consists essentially of menthol, or consists of menthol.
[0067] The amorphous solid may contain a colorant. The appearance of the amorphous solid may be changed by adding a colorant. The appearance of the amorphous solid and the aerosol generating material may be improved by the presence of a colorant in the amorphous solid. The color of the amorphous solid may be matched to other components of the aerosol generating material or other components of an article containing the amorphous solid by adding a colorant to the amorphous solid.
[0068] Various colorants may be used according to the desired color of the amorphous solid. The color of the amorphous solid may be, for example, white, green, red, purple, blue or black. Other colors are also envisioned. Natural or synthetic colorants such as natural or synthetic dyes, food grade colorants and pharmaceutical grade colorants may be used. In certain embodiments, the colorant is caramel which gives the amorphous solid a brown appearance. In such embodiments, the color of the amorphous solid may be similar to the color of other components (such as tobacco material) in the aerosol generating material containing the amorphous solid. In some embodiments, adding a colorant to the amorphous solid allows other components of the aerosol generating material to be visually distinguished.
[0069] The colorant may be incorporated during the formation of the amorphous solid (e.g., during the formation of a slurry containing the material for forming the amorphous solid), or it may be applied after the amorphous solid has been formed (e.g., by spraying it onto the amorphous solid). Yes (e.g., by spraying it onto the amorphous solid).
[0070] In some cases, the amorphous solid may additionally contain an emulsifier that emulsifies a molten flavorant during manufacture. For example, the amorphous solid may contain about 5 wt% to about 15 wt%, preferably about 10 wt% (calculated on a dry weight basis) of the emulsifier. The emulsifier may include gum acacia.
[0071] In some embodiments, the amorphous solid is a hydrogel and contains less than about 20 wt% water, calculated on a wet weight basis. Optionally, the hydrogel may contain less than about 15 wt%, 12 wt% or 10 wt% water, calculated on a wet weight basis. Optionally, the hydrogel may contain at least about 1 wt%, 2 wt% or at least about 5 wt% water.
[0072] The amorphous solid may contain an acid. The acid may be an organic acid. In some of these embodiments, the acid may be at least one of a monobasic acid, a dibasic acid and a tribasic acid. In some such embodiments, the acid may contain at least one carboxylic acid functional group. In some such embodiments, the acid may be at least one of an α-hydroxy acid, a carboxylic acid, a dicarboxylic acid, a tricarboxylic acid and a keto acid. In some such embodiments, the acid may be an α-keto acid.
[0073] In some such embodiments, the acid may be at least one of succinic acid, lactic acid, benzoic acid, citric acid, tartaric acid, fumaric acid, levulinic acid, acetic acid, malic acid, formic acid, sorbic acid, benzoic acid, propanoic acid and pyruvic acid.
[0074] A suitable acid is lactic acid. In other embodiments, the acid is benzoic acid. In other embodiments, the acid may be an inorganic acid. In some of these embodiments, the acid may be a mineral acid. In some such embodiments, the acid may be at least one of sulfuric acid, hydrochloric acid, boric acid and phosphoric acid. In some embodiments, the acid is levulinic acid.
[0075] In certain embodiments, the amorphous solid comprises a gelling agent comprising a cellulose-based gelling agent and / or a non-cellulose-based gelling agent, an active substance and an acid.
[0076] In some embodiments, the amorphous solid further comprises an active substance. For example, in some cases, the amorphous solid further comprises tobacco material and / or nicotine. In some cases, the amorphous solid may comprise 5 to 60 wt% (calculated on a dry weight basis) of tobacco material and / or nicotine. In some cases, the amorphous solid may comprise from about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 70 wt%, 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt% or 30 wt% (calculated on a dry weight basis) of the active substance. In some cases, the amorphous solid may comprise from about 1 wt%, 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 70 wt%, 60 wt%, 50 wt%, 45 wt%, 40 wt%, 35 wt% or 30 wt% (calculated on a dry weight basis) of tobacco material. For example, the amorphous solid may comprise 10 to 50 wt%, 15 to 40 wt% or 20 to 35 wt% of tobacco material. In some cases, the amorphous solid may comprise from about 1 wt%, 2 wt%, 3 wt% or 4 wt% to about 20 wt%, 18 wt%, 15 wt% or 12 wt% (calculated on a dry weight basis) of nicotine. For example, the amorphous solid may comprise 1 to 20 wt%, 2 to 18 wt% or 3 to 12 wt% of nicotine.
[0077] In some cases, the amorphous solid comprises an active substance such as a tobacco extract. In some cases, the amorphous solid may comprise 5 to 60 wt% (calculated on a dry weight basis) of the tobacco extract. In some cases, the amorphous solid may comprise from about 5 wt%, 10 wt%, 15 wt%, 20 wt% or 25 wt% to about 60 wt%, 50 wt%, 45 wt% or 40 wt%, 35 wt% or 30 wt% (calculated on a dry weight basis) of the tobacco extract. For example, the amorphous solid may comprise 10 to 50 wt%, 14 to 40 wt% or 20 to 35 wt% of the tobacco extract. The tobacco extract may comprise nicotine at a concentration such that the amorphous solid comprises from 1 wt%, 1.5 wt%, 2 wt% or 2.5 wt% to about 6 wt%, 5 wt%, 4.5 wt% or 4 wt% (calculated on a dry weight basis) of nicotine. In some cases, there is no nicotine in the amorphous solid other than that obtained from the tobacco extract.
[0078] In some embodiments, the amorphous solid does not contain tobacco material but contains nicotine. In some such cases, the amorphous solid may contain from about 1 wt%, 2 wt%, 3 wt% or 4 wt% to about 20 wt%, 18 wt%, 15 wt% or 12 wt% (calculated on a dry weight basis) of nicotine. For example, the amorphous solid may contain from 1 to 20 wt%, 2 to 18 wt% or 3 to 12 wt% of nicotine.
[0079] In some cases, the total content of the active substance and the flavoring agent may be at least about 0.1 wt%, 1 wt%, 5 wt%, 10 wt%, 20 wt%, 25 wt% or 30 wt%. In some cases, the total content of the active substance and the flavoring agent may be less than about 90 wt%, 80 wt%, 70 wt%, 60 wt%, 50 wt% or 40 wt% (all calculated on a dry weight basis).
[0080] In some cases, the total content of the tobacco material, nicotine and flavoring agent may be at least about 0.1 wt%, 1 wt%, 5 wt%, 10 wt%, 20 wt%, 25 wt% or 30 wt%. In some cases, the total content of the active substance and / or the flavoring agent may be less than about 90 wt%, 80 wt%, 70 wt%, 60 wt%, 50 wt% or 40 wt% (all calculated on a dry weight basis).
[0081] The amorphous solid may be made from a gel, and the gel may further contain a solvent contained at 0.1 to 50 wt%. However, the inventor has confirmed that adding a solvent in which the flavoring agent is soluble reduces the stability of the gel and the flavoring agent crystallizes out of the gel. Thus, in some cases, the gel does not contain a solvent in which the flavoring agent dissolves.
[0082] In some embodiments, the amorphous solid contains a filler of less than 60 wt%, for example from 1 wt% to 60 wt% or from 5 wt% to 50 wt% or from 5 wt% to 30 wt% or from 10 wt% to 20 wt%.
[0083] In other embodiments, the amorphous solid contains less than 20 wt%, preferably less than 10 wt% or less than 5 wt% of a filler. In some cases, the amorphous solid contains less than 1 wt% of a filler, and in some cases, it contains no filler.
[0084] If a filler is included, it may include one or more of suitable inorganic adsorbents such as calcium carbonate, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulfate, magnesium carbonate, and molecular sieves. The filler may include one or more organic fillers such as wood pulp, cellulose, and cellulose derivatives. In some cases, the amorphous solid contains less than 1 wt% of a filler, and in some cases, it contains no filler. In particular, in some cases, the amorphous solid contains calcium carbonate such as chalk.
[0085] In certain embodiments that include a filler, the filler is fibrous. For example, the filler may be a fibrous filler such as wood pulp, hemp fiber, cellulose, or cellulose derivatives. Without wishing to be bound by any theory, it has been confirmed that incorporating a fibrous filler into the amorphous solid increases the tensile strength of the material. This is particularly advantageous because the increased tensile strength makes it less likely for defects to be introduced into the amorphous solid during manufacturing.
[0086] In some embodiments, the amorphous solid does not contain tobacco fiber. In certain embodiments, the amorphous solid does not contain fibrous material.
[0087] In some embodiments, the aerosol generating material does not contain tobacco fiber. In certain embodiments, the aerosol generating material does not contain fibrous material.
[0088] In some cases, the amorphous solid consists essentially of, or consists of, a gelling agent, an aerosol generating agent, water, and optionally a flavorant and / or a tobacco material and / or a nicotine source.
[0089] In some cases, the amorphous solid consists essentially of, or consists of, a gelling agent, water, an aerosol generating agent, and optionally a flavorant and / or an active substance.
[0090] Induction heating is a process of heating a conductive object by introducing a varying magnetic field into the object. This process is explained by Faraday's law of electromagnetic induction and Ohm's law. An induction heater can be equipped with an electromagnet and a device for passing a varying current, such as an alternating current, through the electromagnet. When the object to be heated and the electromagnet are placed in an appropriate relative position such that the varying magnetic field generated by the electromagnet penetrates the object, one or more eddy currents are generated within the object. The object has a resistance to the flow of current. Therefore, when such eddy currents are generated within the object, the eddy currents flow against the electrical resistance of the object, thereby heating the object. This process is called Joule heating, Ohmic heating, or resistive heating. An object that can be induction heated is known as a susceptor.
[0091] In one embodiment, the susceptor is in the form of a closed circuit. When the susceptor is in the form of a closed circuit, it has been found that the magnetic coupling between the susceptor and the electromagnet during use is enhanced, and as a result, the Joule heating is increased or improved.
[0092] Magnetic hysteresis heating is a process of heating an object by introducing a varying magnetic field into an object made of a magnetic material. A magnetic material can be considered to contain many atomic-scale magnets, i.e., magnetic dipoles. When a magnetic field penetrates such a material, the magnetic dipoles align along the magnetic field. Therefore, when a varying magnetic field, such as an alternating magnetic field generated by an electromagnet, penetrates a magnetic material, the orientation of the magnetic dipoles changes in response to the applied varying magnetic field. Heat is generated within the magnetic material due to such reorientation of the magnetic dipoles.
[0093] When an object has both conductivity and magnetism, introducing a fluctuating magnetic field into the object can cause both Joule heating and magnetic hysteresis heating in the object. Furthermore, using a magnetic material can enhance the fluctuating magnetic field, thereby enhancing Joule heating.
[0094] In each of the above processes, heat is generated not by heat conduction from an external heat source but inside the object itself, so a rapid temperature rise within the object and a more uniform heat distribution can be achieved. This can be accomplished particularly by appropriately selecting the material and geometry of the object and appropriately selecting the magnitude and direction of the fluctuating magnetic field for the object. Furthermore, in induction heating and magnetic hysteresis heating, there is no need to provide a physical connection between the source of the fluctuating magnetic field and the object, so the design freedom and the controllability of the heating profile can be enhanced while reducing costs.
[0095] Articles such as rod-shaped articles are often named as follows according to the length of the product. "Standard" (usually 68 - 75 mm, for example in the range of about 68 mm to about 72 mm), "Short" or "Mini" (68 mm or less), "King Size" (usually 75 - 91 mm, for example in the range of about 79 mm to about 88 mm), "Long" or "Super King" (usually 91 - 105 mm, for example in the range of about 94 mm to about 101 mm), and "Extra Long" (usually in the range of about 110 mm to about 121 mm).
[0096] They are also named as follows according to the circumference of the tobacco. "Standard" (about 23 - 25 mm), "Wide" (more than 25 mm), "Slim" (about 22 - 23 mm), "Slim Lights" (about 19 - 22 mm), "Super Slims" (about 16 - 19 mm), "Micro Slims" (less than about 16 mm).
[0097] Therefore, a king-size ultra-slim paper-wrapped cigarette, for example, has a length of about 83 mm and a circumference of about 17 mm.
[0098] Each format may be provided with a mouthpiece of a different length. The length of the mouthpiece will be about 30 mm to 50 mm. The tipping paper connects the mouthpiece to the aerosol generating material and is usually longer than the mouthpiece, for example, 3 to 10 mm in length, whereby the tipping paper covers the mouthpiece and overlaps an aerosol generating material in the form of a rod made of, for example, a base material, and connects the mouthpiece to the rod.
[0099] The articles, aerosol generating materials and mouthpieces described herein can be made in any of the above formats, but are not limited thereto.
[0100] As used herein, the terms "upstream" and "downstream" are relative terms defined with respect to the direction of the mainstream smoke aerosol generating material drawn through the article or device during use.
[0101] The filamentous tow material described herein may include cellulose acetate fiber tow. The filamentous tow material may be formed using other materials used to form fibers such as polyvinyl alcohol (PVOH), polylactic acid (PLA), polycaprolactone (PCL), poly(1,4-butanediol succinate) (PBS), poly(butylene adipate-co-terephthalate) (PBAT), starch-based materials, paper, aliphatic polyester materials and polysaccharide polymers or combinations thereof. The filamentous tow material may or may not be plasticized with a plasticizer suitable for the filter material such as triacetin when the filter material is cellulose acetate tow. The tow can use any suitable specifications such as other cross-sections such as "Y" or "X" shapes, a denier value of the fiber of 2.5 to 15, for example, 8.0 to 11.0, and a total fineness value of 5,000 to 50,000, for example, 10,000 to 40,000, like the fiber having.
[0102] As used herein, the term "tobacco material" means any material including tobacco or its derivatives or substitutes. The term "tobacco material" may include one or more of tobacco, tobacco derivatives, expanded tobacco, reconstituted tobacco or tobacco substitutes. The tobacco material may include one or more of powdered tobacco, tobacco fibers, cut tobacco, extruded tobacco, tobacco stalks, reconstituted tobacco and / or tobacco extracts.
[0103] When equivalent features, articles or members are shown in the drawings in this specification, the same reference numerals are used.
[0104] Figure 1 is a side cross-sectional view of an article 1 for use in a non-combustion aerosol supply device. As shown in Figure 1, the article includes a mouthpiece 2 having an upstream end 2a and a downstream end 2b. The mouthpiece 2 includes a material body 6 including a sheet made of an amorphous solid material. In this example, the amorphous solid material is gathered and wound around a first plugrapper 7 to form a substantially cylindrical material body 6. In this example, the material body 6 is formed from a gathered sheet of a single amorphous solid sheet material. However, in another embodiment, the sheet of amorphous solid material may be cut into strips before gathering to form the material body 6.
[0105] In the embodiment shown in Figure 1, the article includes a mouthpiece 2 and further includes an aerosol generating material 3, in this example a cylindrical rod of tobacco material, connected to the mouthpiece 2. The upstream end 2a of the mouthpiece is disposed adjacent to the aerosol generating material, and the downstream end 2b of the mouthpiece 2 is disposed distally from the rod of the aerosol generating material 3.
[0106] The present invention has discovered the advantage that when an aerosol is drawn through a mouthpiece during use by providing a body of an amorphous solid material in the mouthpiece, a cooling effect is imparted to the aerosol. Without wishing to be bound by any theory, it is speculated that heat transferred from the aerosol to the amorphous solid material as the aerosol passes through the material body 6 atomizes the components of the amorphous solid material, and as a result, cools the aerosol, and advantageously modifies the flavor of the aerosol passing through the mouthpiece as required. This configuration reduces the conventional problem of smoking articles becoming too hot when the aerosol reaches the consumer's lips, and can also provide a means for adding additional flavor to the aerosol without complicating the manufacturing process.
[0107] In this example, the length of the amorphous solid material body 6 is 40 mm.
[0108] The body may be formed using methods known to those skilled in the art for manufacturing cigarette paper filters. In this example, the amorphous solid material body 6 is formed from a single gathered sheet of amorphous solid material. In another embodiment, the material body 6 may be formed from a single sheet material that is cut into pieces before being gathered to form two or more sheets or bodies of amorphous solid material. In this case, the amorphous solid material includes a single layer and is not laminated to a carrier material. In other embodiments, the amorphous solid material may be laminated to a carrier material such as paper or foil, and the laminated amorphous solid material may be used to form the body by any of the methods described herein.
[0109] In this case, the thickness of the amorphous solid material is 0.09 mm. In another embodiment, the amorphous solid material may have any suitable thickness described herein. Preferably, the thickness of the amorphous solid material is 0.05 mm to 0.2 mm. Preferably, in any of the embodiments described herein, the thickness of the amorphous solid layer is about 50 μm to about 200 μm or about 50 μm to about 100 μm or about 60 μm to about 90 μm, preferably about 77 μm.
[0110] The density of the material body 6 is determined by dividing the total weight of the material body 6 by the total volume of the material body 6, and the total volume can be calculated using an appropriate measurement of the material body 6 using, for example, calipers. If necessary, appropriate dimensions may be measured using a microscope. In this case, the density of the material body is 0.51×10 -3 g / mm 3 . In other embodiments, the density of the material body is 0.1×10 -3 g / mm 3 ~1×10 -3 g / mm 3 .
[0111] The material body 6 is wrapped by the first plugrapper 7. Preferably, the first plugrapper 7 has a basis weight of less than 50 gsm, more preferably about 20 gsm to 40 gsm. Preferably, the first plugrapper 7 has a thickness of 30 μm to 60 μm, more preferably 35 μm to 45 μm. Preferably, the first plugrapper 7 is a non-porous plugrapper having a gas permeability of less than, for example, 100 colester units, for example less than 50 colester units. However, in other embodiments, the first plugrapper 7 may be a porous plugrapper having a gas permeability of more than, for example, 200 colester units.
[0112] Figure 2 is a side cross-sectional view of an article 1' including a mouthpiece 2' used in a non-combustion aerosol supply device. The article 1' includes a material body 6 similar to that described with reference to Figure 1 except that the length of the material body 6 is 10 mm. In addition to the material body 6, the mouthpiece 2' includes a hollow tubular member 8 and a fibrous material body 4. In the embodiment shown in Figure 2, the article 1' further includes a rod 3 made of an aerosol generating material connected to the upstream end 2' of the mouthpiece 2' opposite the downstream end 2' of the mouthpiece 2'.
[0113] Preferably, the length of the material body 6 is less than about 15 mm. More preferably, the length of the material body 6 is less than about 10 mm. Still further or alternatively, the length of the material body 6 is at least about 5 mm. Preferably, the length of the material body 6 is at least about 6 mm. In some preferred embodiments, the length of the material body 6 is from about 5 mm to about 15 mm, more preferably from about 6 mm to about 12 mm, still more preferably from about 6 mm to about 12 mm, and most preferably about 6 mm, 7 mm, 8 mm, 9 mm or 10 mm. In this example, the length of the material body 6 is 10 mm.
[0114] The pressure drop or pressure difference (also referred to as suction resistance) of the mouthpiece, for example, of the article 1 downstream of the aerosol-generating material 3, is preferably less than about 40 mmH2O. Such a pressure drop has been found to allow a sufficient aerosol containing flavor compounds and the like to move to the consumer through the mouthpiece 2. More preferably, the pressure drop of the mouthpiece 2 is less than about 32 mmH2O. In some embodiments, the use of a mouthpiece 2 having a pressure drop of less than 31 mmH2O, such as about 29 mmH2O, about 28 mmH2O or about 27.5 mmH2O, has particularly improved the aerosol. Separately or in addition to this, the mouthpiece pressure drop is at least 10 mmH2O, preferably at least 15 mmH2O and more preferably at least 20 mmH2O. In some embodiments, the mouthpiece pressure drop may be from about 15 mmH2O to 40 mmH2O. These values cause the mouthpiece 2 to decelerate the aerosol as it passes through the mouthpiece 2, thereby allowing time for the temperature of the aerosol to drop before reaching the downstream end 2b of the mouthpiece 2.
[0115] The pressure drop or pressure difference of the material body is preferably from 0.01 mmH2O to 100 mmH2O. In some embodiments, the pressure drop of the material body is less than about 50 mmH2O, less than about 45 mmH2O or less than about 30 mmH2O.
[0116] In this example, the material body 6 is adjacent to and in contact with the downstream of the hollow tubular member 8, which is also referred to as a cooling member. The hollow tubular member 8 is formed from a plurality of paper layers that are wound in parallel and have joined seams to form the tubular member 8. In this example, the first and second paper layers are used for a double tube, but in other examples, three, four, or more layers may be used to form a triple, quadruple, or more stacked tube. Other structures, such as spirally wound paper layers, cardboard tubes, tubes formed using a papier-mâché process, molded or extruded plastic tubes, or the like can also be used.
[0117] The hollow tubular member 8 may be formed using a third plugrapper 11 and / or a stiff plugrapper and / or tipping paper, as described in detail below, which means that no separate tubular member is required. The stiffer plugrapper and / or tipping paper is manufactured to have sufficient rigidity to withstand the axial compressive forces and bending moments that will occur during manufacturing and during the use of the article 1'. For example, the stiff plugrapper and / or tipping paper may have a basis weight of 70 gsm to 120 gsm, more preferably 80 gsm to 110 gsm. Additionally or alternatively, the stiff plugrapper and / or tipping paper may have a thickness of 80 μm to 200 μm, more preferably 100 μm to 160 μm or 120 μm to 150 μm. It is desirable for both the third plugrapper 11 and the tipping paper 5 to have values within these ranges to achieve an acceptable overall level of rigidity for the hollow tubular member 8.
[0118] The hollow tubular member 8 preferably has a wall thickness of at least about 100 μm and about 1.5 mm or less, preferably 100 μm to 1 mm and more preferably 150 μm to 500 μm or about 300 μm, as measured using, for example, calipers. In this example, the hollow tubular member 8 has a wall thickness of about 290 μm.
[0119] Preferably, the length of the hollow tubular member 8 is less than about 50 mm. More preferably, the length of the hollow tubular member 8 is less than about 40 mm. Even more preferably, the length of the hollow tubular member 8 is less than about 30 mm. As yet another alternative or example, the length of the hollow tubular member 8 is preferably at least about 10 mm. Preferably, the length of the hollow tubular member 8 is at least about 15 mm. In some preferred embodiments, the length of the hollow tubular member 8 is from about 20 mm to about 30 mm, more preferably from about 22 mm to about 28 mm, even more preferably from about 24 to about 26 mm, and most preferably about 25 mm. In this example, the length of the hollow tubular member 8 is 25 mm.
[0120] The hollow tubular member 8 is located around the mouthpiece 2 and defines a void within the mouthpiece, which acts as a cooling segment. The void serves as a chamber through which the heated volatile components generated by the aerosol generating material 3 flow. The hollow tubular member 8 is hollow to provide a chamber for the deposition of the aerosol and yet has sufficient rigidity to withstand the axial compressive forces and bending motions that may occur during manufacture and while the article 1' is in use. The hollow tubular member 8 physically moves between the aerosol generating material 3 and the material body 6. The physical movement by the hollow tubular member 8 provides a temperature gradient along the length of the hollow tubular member 8.
[0121] The hollow tubular member 8 can be configured to provide a temperature difference of at least 40 °C between the heated and volatilized components entering the first upstream end of the hollow tubular member 8 and the heated and volatilized components exiting the second downstream end of the hollow tubular member 8. The hollow tubular member 8 is preferably configured to provide a temperature difference of at least 60 °C, preferably at least 80 °C and more preferably at least 100 °C between the heated and volatilized components entering the first upstream end of the hollow tubular member 8 and the heated and volatilized components exiting the second downstream end of the hollow tubular member 8. This temperature difference along the length of the hollow tubular member 8 protects the temperature-sensitive first material body 6 from the high temperature of the aerosol generating material 3 when heated.
[0122] In another embodiment, the hollow tubular member 8 can also be replaced with another cooling member, for example, a member formed from a material body that allows an aerosol to pass longitudinally therethrough and also performs the cooling function of the aerosol, such as an amorphous solid material body 6.
[0123] In this example, the fibrous material body 4 is located at the downstream suction port end 2'b of the mouthpiece 2' which is in contact with the material body 6 immediately downstream thereof. The fibrous material body 4 is wrapped by a second plug wrapper 9, which is the same as the first plug wrapper 7 in this example. The material body 6 and the fibrous material body 4 each substantially entirely define a cylindrical shape and share a common longitudinal axis.
[0124] In this example, the hollow tubular member 8, the main body 6, and the fibrous material body 4 are combined using a third plug wrapper 11 that is wound around all three of these sections. Preferably, the third plug wrapper 11 has a basis weight of less than 50 gsm, more preferably about 20 gsm to 45 gsm. Preferably, the third plug wrapper 11 has a thickness of 30 μm to 60 μm, more preferably 35 μm to 45 μm. The third plug wrapper 11 is preferably a non-porous plug wrapper 100 having an air permeability of less than 50 Gurley units, for example, less than 50 Gurley units. However, in another embodiment, the third plug wrapper 11 may be a porous plug wrapper having an air permeability of more than 200 Gurley units, for example.
[0125] In this example, the fibrous material body 4 is formed from filamentous tow. In this example, the tow used for the fibrous material body 4 has a denier per filament (d.p.f.) of 8.4 and a total denier of 21,000. Alternatively, the tow may have, for example, a denier per filament (d.p.f.) of 9.5 and a total denier of 12,000. Alternatively, the tow may have, for example, a denier per filament (d.p.f.) of 8 and a total denier of 15,000. In this example, the tow includes plasticized cellulose acetate tow. The plasticizer used for the tow includes about 7% by weight of the tow. In this example, the plasticizer is triacetin. In other examples, different materials can also be used to form the fibrous material body 4. For example, instead of tow, the fibrous material body 4 can also be formed from paper, similar to a conventional paper filter used for cigarette butts. Alternatively, the fibrous material body 4 may be formed from materials other than cellulose acetate, such as polylactic acid (PLA), other materials described herein for filamentous tow, or similar materials. The tow is preferably formed from cellulose acetate. Regardless of whether it is formed from cellulose acetate or other materials, the tow preferably has a denier per filament of at least 5, more preferably at least 6, and even more preferably at least 7. These values of denier per filament provide a tow with a smaller surface area, relatively thick and coarse fibers compared to tow with a lower denier per filament, and as a result, the pressure drop of the resulting mouthpiece 2' is smaller than that of tow with a low d.p.f. value. Preferably, the tow has a denier per filament of 12 d.p.f., preferably less than 11 d.p.f., and more preferably less than 10 d.p.f. to obtain a sufficiently uniform fibrous material body 4.
[0126] The total fineness of the tows forming the fibrous material body 4 is preferably at most 30,000, more preferably at most 28,000 and even more preferably at most 25,000. These values of the total fineness provide tows that occupy a small proportion of the cross-sectional area of the mouthpiece 2', and as a result, the suction resistance of the mouthpiece 2', and thus the pressure drop, is lower than that of tows with higher total fineness values. For a suitable hardness of the fibrous material body 4, the tows preferably have a total fineness of at least 8,000 and more preferably at least 10,000. Preferably, the denier per filament is 5 to 12 and the total fineness is 10,000 to 25,000. More preferably, the denier per filament is 6 to 10 and the total fineness is 11,000 to 22,000. Preferably, the cross-sectional shape of the filaments of the tows is a "Y" shape, but in other embodiments, other shapes such as an "X" shape filament with the same values of d.p.f. and total fineness value provided herein can also be used.
[0127] Preferably, the length of the fibrous material body 4 is less than about 15 mm. More preferably, the length of the fibrous material body 4 is less than about 10 mm. Additionally or alternatively, the length of the fibrous material body 4 is at least about 5 mm. Preferably, the length of the fibrous material body 4 is at least about 6 mm. In some embodiments, the length of the fibrous material body 4 is from about 5 mm to about 15 mm, more preferably from about 6 mm to about 12 mm, even more preferably from about 6 mm to about 10 mm, and most preferably about 6 mm, 7 mm, 8 mm, 9 mm or 10 mm. In this example, the length of the fibrous material body 4 is 10 mm.
[0128] In this example, the aerosol generating material 3 is wrapped in a wrapper 10. The wrapper 10 may be, for example, a wrapper of paper or foil supported by paper. In this example, the wrapper 10 is substantially air-impermeable. In another embodiment, the wrapper 10 preferably has an air permeability of less than 100 Gurley units, more preferably less than 60 Gurley units. It has been found that a wrapper with low air permeability, for example less than 100 Gurley units, more preferably less than 60 Gurley units, will result in improved aerosol formation in the aerosol generating material 3. Without wishing to be bound by any theory, this is presumably due to less loss of aerosol compounds through the wrapper 10. The air permeability of the wrapper 10 can be measured in accordance with ISO 2965:2009 regarding the measurement of air permeability of materials used as cigarette paper, filter plug wrapper and filter joining paper.
[0129] In this embodiment, the wrapper 10 includes an aluminum foil. The aluminum foil has been found to be particularly effective in enhancing aerosol formation within the aerosol generating material 3. In this example, the aluminum foil has a metal layer with a thickness of about 6 μm. In this example, the aluminum foil has a backing paper. However, in another configuration, the aluminum foil may have other thicknesses, for example a thickness of 4 μm to 16 μm. Also, the aluminum foil may not require a backing paper, but may have a backing material formed from other materials that, for example, help provide adequate tensile strength to the foil, or may not have a backing material. Metal layers or foils other than aluminum can also be used. The total thickness of the wrapper is preferably 20 μm to 60 μm, more preferably 30 μm to 50 μm, a thickness that can provide a wrapper with suitable structural integrity and heat transfer characteristics. The tension that can be applied to the wrapper until it breaks is more than 3,000 gram-weights, for example 3,000 to 10,000 gram-weights or 3,000 to 4,500 gram-weights.
[0130] The ventilation level of the aerosol drawn through the article of the article is about 60%. In another embodiment, the article may have a ventilation level of 50% to 80%, for example 65% to 75%, of the aerosol drawn through the article. These levels of ventilation assist in slowing the flow of the aerosol drawn through the mouthpiece 2', thereby allowing the aerosol to be cooled before it reaches the downstream end of the mouthpiece 2'. The ventilation is provided directly within the mouthpiece 2' of the article 1'. In this example, the ventilation is provided within the hollow tubular member 8, which has been found to be particularly beneficial in assisting the aerosol generation process. The ventilation is provided through first and second parallel rows of perforations 12 formed in this case as laser perforations at positions 17.925 mm and 18.625 mm respectively from the downstream suction end 2' of the mouthpiece 2'. These perforations pass through the tipping paper 5 and the hollow tubular member 8. In another embodiment, the ventilation can be provided at other positions of the mouthpiece, for example within the fibrous material body 4 or the first tubular member 11.
[0131] The aerosol generating material includes an aerosolizable material, also referred to as an aerosol forming material. The aerosolizable material may be present on a substrate. The substrate may be or may include, for example, paper, cardboard, paperboard, thick paper, recycled aerosolizable material, plastic material, ceramic material, composite material, glass, metal or metal alloy.
[0132] In this example, the aerosol forming material added to the aerosol generating substrate 3 contains 14% by weight of the aerosol generating material 3. Preferably, the aerosol forming material contains at least 5% by weight, more preferably at least 10% by weight, of the aerosol generating material. Preferably, the aerosol forming material contains less than 25% by weight, more preferably less than 20% by weight, for example 10% - 20%, 12% - 18% or 13% - 16% by weight of the aerosol generating material.
[0133] Preferably, the aerosol generating material 3 is provided as a cylindrical rod made of the aerosol generating material. Regardless of the shape of the aerosol generating material, the aerosol generating material has a length of about 10 mm to 100 mm. In some embodiments, the length of the aerosol generating material is preferably within the range of about 25 mm to 50 mm, more preferably within the range of about 30 mm to 45 mm, and even more preferably from about 30 mm to 40 mm.
[0134] The volume of the aerosol generating material 3 provided is about 200 mm 3 to about 4300 mm 3 , preferably about 500 mm 3 to 1500 mm 3 , more preferably about 1000 mm 3 to about 1300 mm 3 and may vary. For example, providing these volumes of the aerosol generating material such as about 1000 mm 3 to about 1300 mm 3 has been shown to advantageously achieve excellent aerosols having better visibility and perception performance than the visibility and perception performance achieved with the volume selected from the lower end of that range.
[0135] The mass of the aerosol generating material 3 provided may be greater than 200 mg, for example about 200 mg to 400 mg, preferably about 230 mg to 360 mg, and more preferably about 250 mg to 360 mg. It has been found that providing a larger mass of the aerosol generating material results in an advantage that better perception performance can be obtained compared to the aerosol generated from a tobacco material with a smaller mass.
[0136] Preferably, the aerosol generating material 3 is formed from the tobacco material described herein containing tobacco components.
[0137] In the tobacco material described herein, the tobacco component includes recycled paper tobacco. The tobacco component includes leaf tobacco, extruded tobacco and / or band-cast tobacco.
[0138] The aerosol generating material 3 may include a regenerated tobacco material having a density of less than about 700 milligrams per cubic centimeter (mg / cc). Such tobacco materials have been found to be particularly effective in providing an aerosol generating material that can be heated quickly to release an aerosol as compared to higher density materials. For example, the inventor has tested the properties of various aerosol generating materials such as bandcast regenerated tobacco materials and paper regenerated tobacco materials when heated. For each given aerosol generating material, there is a specific zero heat flux temperature while heat is being applied to the material, below which the net heat flux becomes endothermic, i.e., more heat enters the material than exits the material, and above which the net heat amount becomes exothermic, i.e., more heat exits the material than enters the material. Materials with a density of less than 700 mg / cc had a low zero heat flux temperature. Having a low zero heat flux temperature has a beneficial effect over the time it takes for the aerosol to be initially released from the aerosol generating material since a significant portion of the heat flux exiting the material is through the formation of the aerosol. For example, it was found that an aerosol generating material having a density of less than 700 mg / cc had a zero heat flux temperature of less than 164°C as compared to a material having a density above 700 mg / cc and a zero heat flux temperature above 164°C.
[0139] The density of the aerosol generating material also affects the rate of heat transfer through the material, and at low densities, e.g., less than 700 mg / cc, the rate of heat transfer through the material is slower, thus allowing for a more sustained release of the aerosol.
[0140] Preferably, the aerosol generating material 3 includes a regenerated tobacco material having a density of less than about 700 mg / cc, such as a paper regenerated tobacco material. More preferably, the aerosol generating material 3 includes a regenerated tobacco material having a density of less than about 600 mg / cc. Separately or in addition thereto, the aerosol generating material 3 preferably includes a regenerated tobacco material having a density of at least 350 mg / cc that is considered to allow for sufficient heat conduction through the material.
[0141] The tobacco material may be provided in the form of shredded tobacco. The shredded tobacco has a cutting width of at least 15 cut pieces per inch (5.9 cut portions per centimeter, equivalent to a cutting width of about 1.7 mm). Preferably, the shredded tobacco has a cutting width of at least 18 cut pieces per inch (about 7.1 cut pieces per centimeter, equivalent to a cutting width of about 1.4 mm), more preferably at least 20 cut pieces per inch (7.9 cut pieces per centimeter, equivalent to a cutting width of about 1.27 mm). In one example, the shredded tobacco has a cutting width of 22 cut pieces per inch (8.7 cut pieces per centimeter, equivalent to a cutting width of about 1.15 mm). Preferably, the shredded tobacco has a cutting width of at least 40 cut pieces per inch or less (about 15.7 cut pieces per centimeter, equivalent to a cutting width of about 0.64 mm). A cutting width of 0.5 mm to 2.0 mm, for example 0.6 mm to 1.5 mm or 0.6 mm to 1.7 mm, has been found to result in a tobacco material that is particularly preferred in terms of the surface area to volume ratio when heated, the overall density of the generated material 3, and the pressure drop. The shredded tobacco can be formed from a mixture in the form of a tobacco material, for example a mixture with one or more of recycled paper tobacco, leaf tobacco, extruded tobacco, and bandcast tobacco. Preferably, the tobacco material comprises recycled paper tobacco or a mixture of recycled paper tobacco and leaf tobacco.
[0142] In the tobacco material described herein, the tobacco material may contain a filler component. The filler component is generally a non-tobacco component, i.e., a component that does not contain tobacco-derived components. The filler component may be a non-tobacco fiber such as wood fiber, pulp, or wheat fiber. The filler component may be an inorganic material such as chalk, perlite, vermiculite, diatomaceous earth, colloidal silica, magnesium oxide, magnesium sulfate, magnesium carbonate. The filler component may be a non-tobacco cast material or a non-tobacco extruded material. The filler component may be present in an amount of 0 to 20% by weight of the tobacco material or 1 to 10% by weight of the composition. In some embodiments, the filler component is not included.
[0143] In the tobacco material described in this specification, the tobacco material contains an aerosol-forming material. In this context, an "aerosol-forming material" is a chemical substance that promotes the generation of an aerosol. The aerosol-forming material may promote the generation of an aerosol by facilitating the initial vaporization of a gas and / or the aggregation into inhalable solid and / or liquid aerosols. In some embodiments, the aerosol-forming material may improve the supply of flavor from the aerosol-generating material. Generally, any suitable aerosol-forming material or forming agent may be included in the aerosol-generating material of the present invention described in this specification. Other suitable aerosol-forming materials include polyols such as sorbitol, glycerol and glycols such as propylene glycol or triethylene glycol, non-polyols such as monohydric alcohols, high-boiling hydrocarbons, acids such as lactic acid, glycerol derivatives, diacetin, triacetin, triethylene glycol diacetate, esters such as triethyl citrate or ethyl myristate and isopropyl myristate including myristic acid esters, and aliphatic carboxylic acid esters such as methyl stearate, dimethyl dodecanedioate and dimethyl tetradecanedioate, but are not limited thereto. In some embodiments, the aerosol-forming material may be glycerol, propylene glycol or a mixture of glycerol and propylene glycol. Glycerol may be present in an amount of 10 to 20% by weight of the tobacco material, for example 13 to 16% by weight of the composition, or about 14% or 15% by weight of the composition. Propylene glycol, if included, may be present in an amount of 0.1 to 0.3% by weight of the composition.
[0144] The aerosol-forming material may be contained in any member, such as any member made of tobacco material and / or, if any, the filler component. Separately or in addition thereto, the aerosol-forming material may be added separately to the tobacco material. In any case, the total amount of the aerosol-forming material in the tobacco material may be as described in this specification.
[0145] The tobacco material may contain 10 to 90% by weight of tobacco leaves, and the aerosol-forming material is provided in an amount of about 10% by weight of the tobacco leaves. It has been found advantageous to add this in a high weight percentage to the tobacco material-specific components such as the recycled tobacco material in order to achieve a total amount of aerosol-forming material of 10% to 20% by weight of the tobacco material.
[0146] The tobacco material described herein contains nicotine. The nicotine content is 0.5 to 1.75% by weight of the tobacco material, and for example, it may be 0.8 to 1.5% by weight of the tobacco material. Furthermore or alternatively, the tobacco material contains 10 to 90% by weight of tobacco leaves having a nicotine content of more than 1.5% by weight of the tobacco leaves. It has been found advantageous that using tobacco leaves with a nicotine content of more than 1.5% in combination with a low-nicotine base material such as paper-recycled tobacco results in a tobacco material that contains an appropriate amount of nicotine and has better sensory performance than using paper-recycled tobacco alone. Tobacco leaves, for example shredded tobacco, may have a nicotine content of, for example, 1.5% to 5% by weight of the tobacco leaves.
[0147] The tobacco material described herein may contain an aerosol modifier such as any of the flavorings as described herein. In one embodiment, the tobacco material contains menthol to form a mentholated article. The tobacco material may contain 3 mg to 20 mg of menthol, preferably 5 mg to 18 mg, and more preferably 8 mg to 16 mg of menthol. In this example, the tobacco material contains 16 mg of menthol. The tobacco material may contain 2% to 8% by weight of menthol, preferably 3% to 7% by weight of menthol, and more preferably 4% to 5.5% by weight of menthol. In one embodiment, the tobacco material contains 4.7% by weight of menthol. Such a high filling amount of menthol is achieved, for example, by using a high percentage of recycled tobacco material such as more than 50% by weight of the tobacco material. Alternatively or in addition to this, by using a high-capacity aerosol-generating material, for example, the tobacco material, for example, about 500 mm 3 exceeding, or preferably 1000 mm 3The menthol filling amount achieved when an aerosol generating material such as a super tobacco material is used can be increased.
[0148] In the compositions described herein, when amounts are indicated in weight %, this means, unless otherwise stated, on a dry weight basis to avoid misunderstanding. Thus, all water present in the tobacco material or any of its components is completely ignored for the purpose of measuring weight %. The moisture content of the tobacco material described herein may vary, for example, it may be 5 - 15% by weight. The moisture content of the tobacco material described herein may vary, for example, depending on the temperature, pressure and humidity conditions under which the composition is maintained. The moisture content may be measured by Karl - Fisher analysis as known to those skilled in the art. On the other hand, to avoid misunderstanding, in the case of components in the liquid phase such as glycerol rolls or propylene glycol, all components other than water are included in the weight of the tobacco material. However, if the aerosol forming material is provided to the tobacco component of the tobacco material or the filling member (if any) of the tobacco material instead of being added separately to the tobacco material or in addition to being added, the aerosol forming material is not included in the weight of the tobacco composition or the filling member, but is included in the weight of the "aerosol forming material" at the weight % defined herein. All other components present in the tobacco composition are included in the weight of the tobacco component, even if they are non - tobacco - derived (e.g., non - tobacco fibers in the case of recycled paper tobacco).
[0149] In certain embodiments, the tobacco material comprises a tobacco component as defined herein and an aerosol forming material as defined herein. In certain embodiments, the tobacco material consists essentially of a tobacco component as defined herein and an aerosol forming material as defined herein. In certain embodiments, the tobacco material consists of a tobacco component as defined herein and an aerosol forming material as defined herein.
[0150] The recycled paper tobacco is present in the tobacco component of the tobacco material described herein in an amount of 10% to 100% by weight of the tobacco component. In some embodiments, the recycled paper tobacco is present in an amount of 10% to 80% or 20% to 70% by weight of the tobacco component. In another embodiment, the tobacco component consists essentially of or consists of recycled paper tobacco. In a preferred embodiment, the leaf tobacco is present in the tobacco component of the tobacco material in an amount of at least about 10% by weight of the tobacco component. For example, the leaf tobacco may be present in an amount of at least 10% by weight of the tobacco component, and the remainder of the tobacco component may include a combination of recycled paper tobacco, bandcast tobacco, or bandcast recycled tobacco and tobacco granules and other forms of tobacco.
[0151] Recycled paper tobacco means a tobacco material formed by a process in which tobacco raw materials are extracted with a solvent so that the tobacco raw materials become an extract of soluble components and a residue containing fibrous materials, and then the extract (usually after concentration and optionally after further treatment) is recombined with the fibrous materials from the residue (usually after removing impurities from the fibrous materials and optionally adding a small amount of non-tobacco fibers) by depositing the extract on the fibrous materials. The recombination process is similar to the papermaking process.
[0152] The recycled paper tobacco may be any type of recycled paper tobacco known in the art. In certain embodiments, the recycled paper tobacco is manufactured from a raw material including one or more of tobacco strips, tobacco stalks, and whole leaf tobacco. In another embodiment, the recycled paper tobacco is manufactured from a raw material consisting of tobacco strips and / or whole leaf tobacco and tobacco stalks. However, in other embodiments, scraps, fine powder, and husks may be employed in the raw material separately or in addition thereto.
[0153] The recycled paper tobacco for use in the tobacco material described herein may be prepared by methods known to those skilled in the art for the preparation of recycled paper tobacco.
[0154] In this example, the article 1’ has an outer circumference of about 21 mm (i.e., the article is in a demi-slim format). In other examples, the article can be provided in any of the formats described herein having an outer circumference of, for example, 15 mm to 25 mm. Since the article is heated to emit an aerosol, an improvement in heating efficiency can be achieved by using an article having a smaller outer circumference within this range, for example, a circumference of less than 23 mm. It has been found that an article circumference of more than 19 mm is particularly effective in achieving an improvement in aerosol by heating while maintaining a suitable product length. It has been found that an article having a circumference of 19 mm to 23 mm, more preferably 20 mm to 22 mm, can effectively supply an aerosol while achieving good compatibility with efficient heating.
[0155] The outer circumference of the mouthpiece 2’ is substantially the same as the outer circumference of the rod 3 of the aerosol generating material, thereby smoothing between these members. In this example, the outer circumference of the mouthpiece 2’ is about 20.8 mm. The tipping paper 5 is wound over the entire length of the mouthpiece 2’ and a part of the rod 3 of the aerosol generating material, has an adhesive on its inner surface, and connects the mouthpiece 2’ and the rod 3. In this example, the tipping paper 5 extends 5 mm over the rod 3 of the aerosol generating material, but separately extends 3 mm to 10 mm or 4 mm to 6 mm over the rod 3 so that the mouthpiece 2’ and the rod 3 are securely attached. The tipping paper 5 may have a basis weight larger than the basis weight of the plug wrapper used for the article 1’, for example, 40 gsm to 80 gsm, more preferably 50 gsm to 70 gsm, and may have a basis weight of 58 gsm in this example. It has been found that basis weights within these ranges result in a tipping paper that has an acceptable tensile strength while being flexible enough to wrap the article 1 and that adheres to itself along the longitudinal seam of the paper. The outer circumference of the tipping paper 5 becomes about 21 mm when wound around the mouthpiece 2’.
[0156] Figure 3 is a side cross-sectional view of another article 1’’. The article 1’’ is substantially the same as the article 1’ except that the mouthpiece 2’’ includes a second hollow tubular member 13 at the suction end 2’’b instead of the fibrous material body 4.
[0157] The second hollow tubular member 13 is formed from a filamentary tow. There has been the advantageous discovery that this significantly reduces the temperature of the outer surface of the mouthpiece 2'' at the downstream end 2''b of the mouthpiece that contacts the consumer's lips during use of the article 1''. Additionally, it has been found that the use of the tubular member 13 also significantly reduces the temperature of the outer surface of the mouthpiece 2'' even upstream of the tubular member 13. Without wishing to be bound by any theory, this is presumably due to the tubular member 13 directing the aerosol near the center of the mouthpiece 2'', thus reducing the transfer of heat from the aerosol to the outer surface of the mouthpiece 2''.
[0158] The "wall thickness" of the second hollow tubular member 13 corresponds to the thickness of the wall in the radial direction of the tube 13. This may be measured in the same manner as in the case of the hollow tubular member 8. It is advantageous for the wall thickness to be greater than 0.9 mm, more preferably 1.0 mm or more. Preferably, the wall thickness is substantially constant around the entire circumference of the wall of the tubular member 11. However, if the wall thickness is not substantially constant, the wall thickness is preferably greater than 0.9 mm, more preferably 1.0 mm or more, at any location around the tubular member 11.
[0159] Preferably, the length of the second hollow tubular member 13 is less than about 20 mm. More preferably, the length of the second hollow tubular member 13 is less than about 15 mm. Even more preferably, the length of the second hollow tubular member 13 is less than about 10 mm. Additionally or alternatively, the length of the second hollow tubular member 13 is at least about 5 mm. Preferably, the length of the second hollow tubular member 13 is at least about 6 mm. In some preferred embodiments, the length of the second hollow tubular member 13 is from about 5 mm to about 20 mm, more preferably from about 6 mm to about 10 mm, even more preferably from about 6 mm to about 8 mm, and most preferably about 6 mm, 7 mm or about 8 mm. In this example, the length of the second hollow tubular member 13 is 6 mm.
[0160] Preferably, the density of the second hollow tubular member 13 is at least about 0.25 grams per cubic centimeter (g / cc), more preferably at least about 0.3 g / cc. Preferably, the density of the second hollow tubular member 13 is less than about 0.75 grams per cubic centimeter (g / cc), more preferably less than 0.6 g / cc. In some embodiments, the density of the second hollow tubular member 13 is 0.25 - 0.75 g / cc, more preferably 0.3 - 0.6 g / cc, more preferably 0.4 g / cc - 0.6 g / cc or about 0.5 g / cc. It has been found that these densities achieve a good balance between the good stiffness produced by the high-density material and the low thermal conductivity of the low-density material. For the purposes of this example, the "density" of the second hollow tubular member 13 means the density of the filamentary tow that forms the member including any plasticizer incorporated therein. The density of the second hollow tubular member 13 may be measured in the same manner as described for the material body 6.
[0161] The filamentary tow that forms the second hollow tubular member 13 preferably has a total fineness of less than 45,000, more preferably less than 42,000. It has been found that this total fineness can form a tubular member 13 that is not too high in density. Preferably, the total fineness is at least 20,000, more preferably at least 25,000. In a preferred embodiment, the filamentary tow that forms the second hollow tubular member 13 has a total fineness of 25,000 - 45,000, more preferably 35,000 - 45,000. Preferably, the cross-sectional shape of the filamentary tow is a "Y" shape, although in other embodiments other shapes such as an "X" shaped filament can also be used.
[0162] The filamentary tow forming the second hollow tubular member 13 preferably has a denier of more than 3. It has been found that this denier can form a hollow tubular member 13 that is not too dense. Preferably the denier is at least 4, more preferably at least 5. In a preferred embodiment, the filamentary tow forming the second hollow tubular member 13 has a denier of 4 to 10, more preferably 4 to 9. In one example, the filamentary tow forming the second hollow tubular member 13 is formed from cellulose acetate and has 8Y40,000 tow containing 18% plasticizer such as triacetin.
[0163] The second hollow tubular member 13 preferably has an inner diameter of more than 3.0 mm. A smaller inner diameter causes the speed of the aerosol moving through the mouthpiece 2 to the consumer's mouth to be faster than the desired speed, which causes the aerosol to become too warm, for example reaching a temperature above 40 °C or above 45 °C. More preferably, the second hollow tubular member 13 has an inner diameter of more than 3.1 mm, still more preferably more than 3.5 mm or 3.6 mm. In one embodiment, the inner diameter of the second hollow tubular member 13 is about 3.9 mm.
[0164] The second hollow tubular member 13 preferably contains 15% to 22% by weight of a plasticizer. In the case of cellulose acetate tow, the plasticizer is preferably triacetin, but other plasticizers such as polyethylene glycol (PEG) can also be used. More preferably, the tubular member 13 contains 16% to 20% by weight of a plasticizer, for example about 17%, about 18% or about 19% by weight of a plasticizer.
[0165] The combination of the hollow tubular member 8, the material body 6 and the aerosol cooling effect of the second hollow tubular member 13, which reduces the temperature of the outer surface of the mouthpiece, results in a lower aerosol temperature and the temperature of the outer surface of the article at the inhalation end, thus making the user experience more comfortable.
[0166] Figure 4 is a side cross-sectional view of another article 1'''. The article 1''' and the mouthpiece 2''' are substantially the same as the article 1' and the mouthpiece 2' except that a material body 6 made of an amorphous solid material is provided at the distal end of the mouthpiece 2''' adjacent to and in contact with the aerosol generating material 3, a hollow tubular member 8 is provided downstream of the material body 6, and is located between the material body 6 at the distal end of the mouthpiece and the fibrous section 4 at the suction end of the mouthpiece.
[0167] Providing a material body 6 made of an amorphous solid material adjacent to the aerosol generating material results in the material body 6 being exposed to higher heat as compared to the case where the material body 6 is located downstream of the cooling member. This configuration will improve the release of flavor from the amorphous solid material when the amorphous solid material contains a flavorant.
[0168] Figure 5a is a side cross-sectional view of another article 1'''' including a capsule-containing mouthpiece 2''''' Figure 5b is a side cross-sectional view of the capsule-containing mouthpiece shown in Figure 5a. The article 1'''' and the mouthpiece 2''''' are the same as the article 1' and the mouthpiece 2' except that in addition to the hollow tubular member 8, the material body 6 made of an amorphous solid material, and the fibrous material body 4, the mouthpiece 2''''' includes a capsule-containing section 14. The capsule-containing section 14 contains an aerosol modifier in the form of a capsule 15 and is surrounded by an oil-resistant plugrapper 16.
[0169] In other examples, the aerosol modifier may be provided in other forms such as being injected into the fibrous material body 4 or being provided on a thread, such as a thread carrying a flavorant or other aerosol modifier and arranged within the fibrous material body 4. Also, the amorphous solid material forming the material body 6 may contain an aerosol modifier such as a flavorant. When the amorphous solid material contains a flavorant, the aerosol modifier contained in the capsule 15 may be selected to complement the flavorant contained in the amorphous solid material.
[0170] The capsule 15 has a solid and fragile shell that surrounds the liquid payload. In this example, one capsule 15 is used. The capsule 15 is completely embedded within a material body that is substantially the same as the fibrous material body 4. In other words, the capsule 15 is completely surrounded by the material that forms the material body 14. In other examples, a plurality of breakable capsules, such as two, three, or more breakable capsules, may be disposed within the fibrous material body 14. The length of the material body 14 can be increased to accommodate the required number of capsules. In examples where a plurality of capsules are used, the individual capsules may be the same as each other, or may differ in size and / or capsule payload. In other examples, a plurality of material bodies 14 may be provided, each material body having one or more capsules.
[0171] The capsule 15 has a core-shell structure. In other words, the capsule 15 may include a shell that encapsulates a liquid agent, such as a flavorant or an aerosol modifier, which may be any of the flavorants or other substances described herein. The shell of the capsule can be ruptured by the user to release the flavorant or other substance into the material body 14. The oil-resistant plugrapper 16 may include a barrier coating that renders the material of the plugrapper substantially impermeable to the liquid payload of the capsule 15. Separately or in addition, the second plugrapper 9 and / or the tipping paper 5 may include a barrier coating that renders the material of the plugrapper and / or the tipping paper substantially impermeable to the liquid payload of the capsule 15.
[0172] In this example, the capsule 15 is spherical and has a diameter of about 3 mm. In other examples, other shapes and sizes may also be used. The total weight of the capsule 15 may be in the range of about 10 mg to about 50 mg.
[0173] In this example, the capsule 15 is disposed at the longitudinal center position within the material body 14. That is, the capsule 15 is positioned such that its center is 4 mm away from both ends of the material body 14. In other examples, the capsule 15 may be disposed at a position other than the longitudinal center position of the material body 14, that is, at a location closer to the downstream end of the material body 14 than the upstream end or closer to the upstream end of the material body 14 than the downstream end. The mouthpiece 2'''' is configured such that the capsule 15 and the ventilation hole 12 are longitudinally offset from each other within the mouthpiece 2''''.
[0174] The cross-section of the mouthpiece 2'''' is shown in FIG. 5b. FIG. 5b shows the capsule 15, the material body 14, the oil-resistant plugrapper 16, the third plugrapper 11, and the tipping paper 5. In other examples, the capsule 15 is at the center of the longitudinal axis (not shown) of the mouthpiece 2''''. The oil-resistant plugrapper 16, the third plugrapper 11, and the tipping paper 5 are concentrically arranged around the material body 14.
[0175] The breakable capsule 15 has a core-shell structure. That is, the encapsulating material or the barrier material forms a shell around a core containing the aerosol modifier. The shell structure prevents the movement of the aerosol modifier during storage of the article 1'''', but enables control of the release of the aerosol modifier, also referred to as the aerosol modifying agent, during use.
[0176] In some cases, the barrier material (also referred to as the encapsulating agent) is fragile. The capsule is crushed by the user or otherwise broken or damaged to release the encapsulated aerosol modifier. Typically, the capsule is broken just before heating is initiated, but the user can choose when to release the aerosol modifier. The term "breakable capsule" means a capsule whose shell is broken by the pressure for releasing the core, for example, the shell can be ruptured by the pressure applied by the user's finger when the user wants to release the core of the capsule.
[0177] In some cases, the barrier material is heat resistant. That is, in some cases, the barrier does not rupture and does not melt or cease to function at the temperature reached by the capsule during the operation of the aerosol supply device. Specifically, for example, by exposing the capsule located in the mouthpiece to a temperature in the range of 30°C to 100°C, the barrier material may continue to hold the liquid core up to at least about 50°C to 120°C.
[0178] In other cases, the capsule releases the core composition upon heating, for example, by swelling of the capsule that melts or ruptures the barrier material.
[0179] The total weight of the capsule may be in the range of about 1 mg to about 100 mg, preferably about 5 mg to about 60 mg, about 8 mg to about 50 mg, about 10 mg to about 20 mg, or about 12 mg to about 18 mg.
[0180] The total weight of the core formulation may be in the range of about 2 mg to about 90 mg, preferably about 3 mg to about 70 mg, about 5 mg to about 25 mg, about 8 mg to about 20 mg, or about 10 mg to about 15 mg.
[0181] The capsule according to the present invention includes a core and a shell as described above. The capsule may exhibit a crushing strength of about 4.5 N to about 40 N, more preferably about 5 N to about 30 N, or about 28 N (for example, about 9.8 N to about 24.5 N). The capsule crushing strength is measured using a gauge that measures the force at which the capsule ruptures when removed from the material body 1 4 and pressed between two flat metal plates. A suitable measuring device is the Sauter FK 50 fall gauge with an attachment having a flat head, which can be used to crush the capsule against a flat hard surface having a surface similar to that of the attachment.
[0182] The capsule may be substantially spherical and have at least about 0.4 mm, 0.6 mm, 0 It may have a diameter of 0.8 mm, 1.0 mm, 2.0 mm, 2.5 mm, 2.8 mm or 3.0 mm. The diameter of the capsule may be less than about 10.0 mm, 8.0 mm, 7.0 mm, 6.0 mm, 5.5 mm, 5.0 mm, 4.5 mm, 4.0 mm, 3.5 mm or 3.2 mm. Specifically, the diameter of the capsule may be in the range of about 0.4 mm to about 10.0 mm, about 0.8 mm to about 6.0 mm, about 2.5 mm to about 5.5 mm or about 2.8 mm to about 3.2 m. m. In some cases, the capsule may have a diameter of about 3.0 mm. These sizes are particularly suitable for incorporating the capsule into the articles described herein.
[0183] The cross-sectional area of the capsule 15 in its largest cross-sectional area is less than 28%, more preferably less than 27%, even more preferably less than 25% of the cross-sectional area of the portion of the mouthpiece 2' where the capsule 15 is provided. For example, in the case of a spherical capsule with a diameter of 3.0 mm, the maximum cross-sectional area of the capsule is 7.07 mm. 2 In the case of the mouthpiece 2'''' with a circumference of 21 mm described herein, the outer circumference of the material body 14 is 20.8 mm, and the radius of this member is 3.31 mm, corresponding to a cross-sectional area of 34.43 mm. 2 The cross-sectional area of the capsule is 20.5% of the cross-sectional area of the mouthpiece 2'''' in this example. As another example, when the diameter of the capsule is 3.2 mm, its maximum cross-sectional area is 8.04 mm. 2 In this case, the cross-sectional area of the capsule is 23.4% of the cross-sectional area of the material body 14. A capsule having a maximum cross-sectional area of less than 28% of the cross-sectional area of the portion of the mouthpiece 2'''' where the capsule 15 is provided has a reduced pressure drop in the mouthpiece 2'''' compared to a capsule having a larger cross-sectional area, leaving an appropriate space for the aerosol around the capsule, and having the advantage that a significant amount of the aerosol can pass through the material body 14 without being removed when the aerosol passes through the mouthpiece 2''''.
[0184] Preferably, the pressure drop or pressure difference (also referred to as suction resistance), measured as the open pressure drop (i.e., the ventilation opening is open), decreases by less than 8 mmHg2O when the capsule breaks. More preferably, the open pressure drop decreases by less than 6 mmHg2O, more preferably less than 5 mmHg2O. These values are measured as the average obtained from at least 80 articles produced with the same design. Such a small change in pressure drop means that it can be achieved regardless of whether the consumer chooses to break the capsule or not, for other aspects of product design such as setting the correct ventilation level for a given product pressure drop.
[0185] In some embodiments, when the aerosol-forming material 3 is heated, for example, in a non-combustible aerosol supply device described herein, to supply an aerosol, the portion of the mouthpiece 2 where the capsule is located reaches a temperature of 58 - 70 °C while the system is used to generate the aerosol. As a result of this temperature, the contents of the capsule are sufficiently warmed to facilitate the volatilization of the contents of the capsule, for example, an aerosol modifier, into the aerosol formed by the system when the aerosol passes through the mouthpiece 2. Warming the contents of the capsule 15 may be done before the capsule 15 breaks, for example, so that the contents are more easily released into the aerosol passing through the mouthpiece 2 when the capsule 15 breaks. Alternatively, the contents of the capsule 15 may be warmed to this temperature after the capsule 15 is broken, and here too, as a result, more of the contents may be released into the aerosol. Advantageously, a mouthpiece temperature in the range of 58 - 70 °C is high enough to make the capsule contents more easily released, but it has been found to be low enough so that the outer surface of the portion of the mouthpiece 2 where the capsule is located does not reach a temperature at which the consumer feels uncomfortable when touching the capsule 15 to rupture it by squeezing the mouthpiece 2.
[0186] The capsule 15 can be broken by an external force applied to the mouthpiece 2'''' when a consumer presses the mouthpiece 2'''' using a finger or other mechanism, for example. The portion of the mouthpiece where the capsule is located as described above is arranged to reach a temperature exceeding 58°C during the use of the aerosol supply system to generate an aerosol. Preferably placed within the mouthpiece 2'''', the bursting strength of the capsule 15 before heating of the aerosol generating material 3 is 1500 to 4000 gram-weights. Preferably placed within the mouthpiece 2'''', the bursting strength when the aerosol supply system is used within 30 seconds to generate an aerosol is 1000 to 4000 gram-weights. Even when exposed to a temperature exceeding 58°C, for example 58°C to 70°C, the capsule 15 can maintain a bursting strength within a range where it has been found that the consumer can easily crush the capsule 15, and further provides sufficient tactile feedback to the consumer that the capsule 15 has broken. Maintaining such a bursting strength is achieved, for example, by selecting a gelling agent suitable for the capsule as described herein, such as a polysaccharide alone including arabic gum, gellan gum, acacia gum, xanthan gum or carrageenan or a combination with gelatin. Further, a suitable thickness of the capsule wall needs to be selected.
[0187] Preferably, placed within the mouthpiece, the bursting strength of the capsule before heating of the aerosol forming material is 2000 to 3500 gram-weights or 2500 to 3500 gram-weights. Preferably, placed within the mouthpiece, the bursting strength when the aerosol supply system is used within 30 seconds to generate an aerosol is 1500 to 4000 gram-weights or 1750 to 3000 gram-weights. In one example, placed within the mouthpiece, the average bursting strength of the capsule before heating of the aerosol forming material is about 3175 gram-weights, and placed within the mouthpiece, the average bursting strength when the aerosol supply system is used within 30 seconds to generate an aerosol is about 2345 gram-weights.
[0188] The bursting strength of the capsule can be tested using a load measuring instrument such as a Texture Analyser.
[0189] The barrier material may include one or more of a gelling agent, a bulking agent, a buffer, a coloring agent, and a plasticizer.
[0190] Preferably, the gelling agent may be, for example, a polysaccharide or a cellulose-based gelling agent, gelatin, rubber, gel, wax, or a mixture thereof. Suitable polysaccharides include alginates, dextrans, maltodextrins, cyclodextrins, and pectins. Suitable alginates include, for example, salts of alginic acid, esterified alginates, or glyceryl alginate. Salts of alginic acid include ammonium alginate, triethanolamine alginate, and sodium alginate, potassium alginate, calcium alginate, and magnesium alginate, such as alginates of Group I or II metal ions. Esterified alginates include polypropylene glycol alginate and glyceryl alginate. In certain embodiments, the barrier material is sodium alginate and / or calcium alginate. Suitable cellulose-based materials include methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, cellulose acetate, and cellulose ethers. The gelling agent may include one or more modified starches. The gelling agent may include carrageenan. Suitable rubbers include agar, gellan gum, gum arabic, pullulan gum, mannan gum, gutta-percha gum, tragacanth gum, karaya gum, locust bean gum, acacia gum, guar, quince seed gum, and xanthan gum. Suitable gels include agar, agarose, carrageenan, floridean, and furcellaran. Suitable waxes include carnauba wax. In some cases, the gelling agent may include carrageenan and / or gellan gum, and these gelling agents are particularly suitable for inclusion as gelling agents when the pressure required to break the resulting capsule is particularly suitable.
[0191] The barrier material may contain one or more bulking agents such as starch, modified starch (such as oxidized starch), and sugar alcohols such as maltitol.
[0192] The barrier material may contain a coloring agent that facilitates the placement of the capsules within the aerosol generating device during the manufacturing process of the aerosol generating device. The coloring agent is preferably selected from coloring agents and pigments.
[0193] The barrier material may further contain at least one buffer such as a citrate compound or a phosphate compound.
[0194] The barrier material may further contain at least one plasticizer, which is glycerol, sorbitol, maltitol, triacetin, polyethylene glycol, propylene glycol or another polyhydric alcohol having plasticity and in particular one acid such as any monoacid, diacid or triacid type of citric acid, fumaric acid, malic acid etc. The amount of the plasticizer ranges from 1 to 30% by weight, preferably 2 to 15% by weight, and even more preferably 3 to 10% by weight of the total dry weight of the shell.
[0195] The barrier material also contains one or more filling materials. Suitable filling materials are starch derivatives such as dextrin, maltodextrin, cyclodextrin (alpha, beta or gamma) or cellulose derivatives such as hydroxypropylmethylcellulose (HPMC), hydroxypropylcellulose (HPC), methylcellulose (MC), carboxy-methylcellulose (CMC), polyvinyl alcohol, polyol or mixtures thereof etc. Dextrin is a preferred filling material. The amount of the filling material in the shell is at most 98.5% by weight, preferably 25 to 95% by weight, more preferably 40 to 80% by weight, and even more preferably 50 to 60% by weight of the total dry weight of the shell.
[0196] The capsule shell may additionally include a hydrophobic outer layer, which is for preventing the capsule from disintegrating due to moisture. The hydrophobic outer layer is preferably selected from the group consisting of wax, particularly carnauba wax, candelilla wax or beeswax, carbowax, shellac (in an alcohol solution or an aqueous solution), ethyl cellulose, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, latex composition, polyvinyl alcohol, or a combination thereof. More preferably, at least one of its moisture barrier agents is ethyl cellulose or a mixture of ethyl cellulose and shellac.
[0197] The capsule core contains an aerosol modifier. This aerosol modifier may be any volatile substance that changes at least one property of the aerosol. For example, the aerosol substance may change the pH, sensory properties, moisture content, supply properties or flavor. In some cases, the aerosol modifier may be selected from acids, bases, water or flavoring agents. In some embodiments, the aerosol modifier contains one or more flavoring agents.
[0198] The flavoring agent is preferably licorice, rose oil, vanilla, lemon oil, orange oil, mint flavoring agent, preferably peppermint oil and / or menthol and / or spearmint oil from any species of the genus Mentha, or lavender, fennel or anise.
[0199] In some cases, the flavoring agent contains menthol.
[0200] In some cases, the capsule may contain at least about 25% w / w of the flavoring agent (based on the total weight of the capsule), preferably at least about 30% w / w, 35% w / w, 40% w / w, 45% w / w or 50% w / w of the flavoring agent.
[0201] In some cases, the core may contain at least about 25% w / w of the flavoring agent (based on the total weight of the core), preferably at least about 30% w / w, 35% w / w, 40% w / w, 45% w / w or 50% w / w of the flavoring agent. In some cases, the core may contain up to about 75% w / w of the flavoring agent (based on the total weight of the core), preferably up to about 65% w / w, 55% w / w, or 50% w / w of the flavoring agent. Specifically, the capsule may contain the flavoring agent in an amount in the range of 25 - 75% w / w (based on the total weight of the core), about 35 - 60% w / w or about 40 - 55% w / w.
[0202] The capsule may contain at least about 2 mg, 3 mg or 4 mg of the aerosol modifier, preferably at least about 4.5 mg of the aerosol modifier, 5 mg of the aerosol modifier, 5.5 mg of the aerosol modifier or 6 mg of the aerosol modifier.
[0203] In some cases, the consumable contains at least about 7 mg of the aerosol modifier, preferably at least about 8 mg of the aerosol modifier, 10 mg of the aerosol modifier, 12 mg of the aerosol modifier or 15 mg of the aerosol modifier.
[0204] Any suitable solvent may be used.
[0205] When the aerosol modifier contains a flavoring agent, the solvent may preferably contain short-chain or medium-chain fats and oils. For example, the solvent may contain C2-C 12 triesters of glycerol such as triglycerides, preferably C6-C 10 triglycerides or Cs-C 12 triglycerides. For example, the solvent may contain medium-chain triglycerides (MCT-C8-C 12 ), which may be derived from palm oil and / or coconut oil.
[0206] The esters may be formed with caprylic acid and / or capric acid. For example, the solvent may include medium-chain triglycerides which are caprylic acid triglyceride and / or capric acid triglyceride. For example, the solvent may include compounds specified in CAS registration by Nos. 73398-61-5, 65381-09-1, 85409-09-2. Such medium-chain triglycerides are odorless and tasteless.
[0207] The hydrophilic-lipophilic balance (HLB) of the solvent may be in the range of 9 to 13, preferably 10 to 12. The method for manufacturing the capsule is extrusion or the like, and optionally followed by centrifugation and curing and / or drying. The content of International Application Publication No. 2007 / 010407A2 is incorporated herein by reference in its entirety.
[0208] The mouthpieces 2, 2’, 2’’, 2’’’ and 2’’’’ can be formed from any combination of the mouthpiece members described herein in another embodiment.
[0209] The non-combustion aerosol supply device is used to heat the aerosol generating material 3 of the articles 1, 1’, 1’’, 1’’’, 1’’’’ described herein. The non-combustion aerosol supply device preferably includes a coil, which has been found to improve heat conduction to the articles 1, 1’, 1’’, 1’’’, 1’’’’ compared to other configurations.
[0210] In some examples, the coil is configured to heat at least one conductive heating element during use, whereby thermal energy can be conducted from the at least one conductive heating element to the aerosol generating material, thereby causing heating of the aerosol generating material.
[0211] In some examples, the coil is configured to generate a varying magnetic field for passing through at least one heating element during use, thereby causing induction heating and / or magnetic hysteresis heating of at least one heating element. In such a configuration, the or each heating element may be referred to as a "susceptor" as defined herein. A coil configured to generate a varying magnetic field for passing through one conductive heating element during use, thereby causing induction heating of at least one conductive heating element, may be referred to as an "induction coil" or "inductor coil".
[0212] The device includes one or more heating elements, such as one or more conductive heating elements, for example, and these one or more heating elements may preferably be arranged or arrangeable relative to the coil so as to be able to heat these one or more heating elements. The one or more heating elements may be fixed relative to the coil. Alternatively, at least one heating element, for example at least one conductive heating element, may be included in articles 1, 1' for insertion into the heating region of the device, the articles 1, 1' including an aerosol generating material 3 and being removed from the heating region after use. Alternatively, the device and such articles 1, 1' may include at least one heating element for each, for example at least one conductive heating element, and the coil causes heating of one or more heating elements of the device and the article respectively when the article is in the heating region.
[0213] In some examples, the coil is helical. In some examples, the coil surrounds at least a portion of the heating region of a device configured to contain an aerosol generating material. In some examples, the coil is a helical coil that surrounds at least a portion of the heating region.
[0214] In some examples, the device includes a conductive heating element that at least partially surrounds the heating region, and the coil surrounds at least a portion of the conductive heating element. In some examples, the conductive heating element is tubular. In some examples, the coil is an inductor coil. In some examples, by using a coil, a non-combustion aerosol supply device can reach the operating temperature faster than a non-coil aerosol supply device. For example, as described above, a non-combustion aerosol supply device including a coil can reach the operating temperature such that the puff can be provided initially in less than 30 seconds, preferably less than 25 seconds, from the start of the device heating program. In some examples, the device can reach the operating temperature in about 20 seconds from the start of the device heating program.
[0215] It has been found that using a coil as described herein in a device to cause heating of the aerosol-generating material improves the aerosol produced. For example, consumers have reported that an aerosol emitted by a device including a coil as described herein is more sensorily similar to a factory made cigarette (FMC) than an aerosol produced by other non-combustion aerosol supply systems. Without wishing to be bound by any theory, this is presumably due to the reduced time to reach the heating temperature required when using a coil, the high heating temperature achieved when using a coil and / or the ability of such a system to heat a relatively large amount of aerosol-generating material simultaneously with the coil, resulting in an aerosol at a temperature similar to that of an FMC aerosol. In an FMC product, the burning ember generates a hot aerosol that heats the tobacco in the tobacco rod after the ember as the aerosol is drawn through the rod. This hot aerosol is understood to release flavor compounds from the tobacco in the rod after the burning ember. A device including a coil as described herein can also heat an aerosol-generating material such as a tobacco material as described herein to release flavor compounds, resulting in an aerosol that is reported to be more similar to an FMC aerosol.
[0216] By using an aerosol supply system including an induction coil that heats at least a part of a coil as described in this specification, for example, an induction coil that heats at least a part of an aerosol generating material to at least 200 °C, more preferably at least 220 °C, an aerosol having specific characteristics considered to be similar to those of the aerosol of the FMC product can be generated from the aerosol generating material. For example, when an aerosol generating material containing nicotine is heated to at least 250 °C for 2 seconds using an induction heater, one or more of the following characteristics were observed: At least 10 μg of nicotine is aerosolized from the aerosol generating material. The weight ratio of the aerosol forming material to nicotine in the generated aerosol is at least about 2.5:1, preferably at least 8.5:1. At least 100 μg of the aerosol forming material is aerosolized from the aerosol generating material. The average particle size or droplet diameter in the generated aerosol is less than about 1000 nm. The aerosol density is at least 0.1 μg / cc.
[0217] In some cases, at least 10 μg of nicotine, preferably at least 30 μg or 40 μg of nicotine, is aerosolized from the aerosol generating material under an air flow of at least 1.50 L / m during the 2 seconds. In some cases, less than about 200 μg, preferably less than about 150 μg or less than about 125 μg of nicotine is aerosolized from the aerosol generating material under an air flow of at least 1.50 L / m during the 2 seconds.
[0218] In some cases, at least 100 μg of the aerosol forming material, preferably at least 200 μg, 500 μg or 1 mg of the aerosol forming material is aerosolized from the aerosol generating material under an air flow of at least 1.50 L / m during the 2 seconds. Preferably, the aerosol forming material may contain glycerol or consist of glycerol.
[0219] The term "average particle size or droplet size" as defined herein means the average of the sizes of the solid or liquid components of the aerosol (i.e., the components suspended in the gas). When the aerosol contains suspended droplets and suspended solid particles, the term means the average of the sizes of all components combined.
[0220] In some cases, the average particle size or droplet size of the generated aerosol may be less than 900 nm, 800 nm, 700 nm, 600 nm, 500 nm, 450 nm or 400 nm. In some cases, the average particle size or droplet size may be greater than about 25 nm, 50 nm or 100 nm.
[0221] In some cases, the density of the aerosol generated during the above period may be at least 0.1 μg / cc. In some cases, the aerosol density is at least 0.2 μg / cc, 0.3 μg / cc or 0.4 μg / cc. In some cases, the aerosol density is less than about 2.5 μg / cc, 2.0 μg / cc, 1.5 μg / cc or 1.0 μg / cc.
[0222] The non-combustion aerosol supply device is configured to heat the aerosol generating material 3 of articles 1, 1', 1'', 1''', 1'''' to a maximum temperature of at least 160°C. Preferably, the non-combustion aerosol supply device heats the aerosol forming material 3 of articles 1, 1', 1'', 1''', 1'''' to a maximum temperature of at least about 200°C, or at least about 220°C or at least about 240°C, more preferably at least about 270°C, at least once during the heating process by the non-combustion aerosol supply device. configured.
[0223] By using an aerosol supply system that includes a coil as described in this specification, for example, an induction coil that heats at least a part of the aerosol generating material to at least 200 °C, more preferably at least 220 °C, it is possible to generate an aerosol at a higher temperature from the aerosol generating material of articles 1, 1', 1'', 1''', 1'''' described herein than from previous devices that contribute to the generation of an aerosol that is considered to be closer to the FMC product when the aerosol exits the suction port ends of the mouthpieces 2, 2', 2'', 2''', 2''''. For example, the maximum aerosol temperature measured at the suction port ends of articles 1, 1', 1'', 1''', 1'''' is preferably above 50 °C, more preferably above 55 °C, even more preferably above 56 °C or 57 °C. Further or alternatively, the maximum aerosol temperature measured at the suction port ends of articles 1, 1', 1'', 1''', 1'''' is less than 62 °C, more preferably less than 60 °C, even more preferably less than 59 °C. In some embodiments, the maximum aerosol temperature measured at the suction port ends of articles 1, 1', 1'', 1''', 1'''' is preferably from 50 °C to 62 °C, more preferably from 56 °C to 60 °C.
[0224] Figure 6 shows an example of a non-combustion aerosol supply device 100 for generating an aerosol from an aerosol generating medium / material such as the aerosol generating material 3 of articles 1, 1', 1'', 1''', 1'''' described herein. Generally, device 100 may be used to heat a replaceable article 110 that includes an aerosol generating medium to generate an aerosol or other inhalable medium inhaled by a user of device 100, for example, articles 1, 1', 1'', 1''', 1'''' described herein. Device 100 and the replaceable article 110 together form a system.
[0225] Device 100 includes a housing 102 (in the form of an outer cover) that surrounds and houses various components of the device 100. The device 100 has an opening 104 at one end through which an article 110 is inserted for heating by a heating assembly. In use, the article 110 is inserted fully or partially into the heating assembly where it is heated by one or more components of the heating assembly.
[0226] The device 100 in this example includes a first end member 106 which includes a lid 108 that is movable relative to the first end member 106 to close the opening 104 when the article 110 is not in a predetermined position. In FIG. 6, the lid 108 is shown in an open configuration, but the lid 108 may move to a closed configuration. For example, the user slides the lid 108 in the direction of arrow “B”.
[0227] The device 100 may include an adjustment member 112 that can be operated by a user, such as a button or switch that, when pressed, activates the device 100. For example, the user may operate the switch 112 to turn on the power of the device 100.
[0228] The device 100 also includes electrical components such as a socket / port 114 that may house a cable for charging the battery of the device 100. The socket 114 may be a charging port such as a USB charging port.
[0229] FIG. 7 shows the device 100 of FIG. 6 with the outer cover 102 removed and the article 110 not present. The device 100 defines a longitudinal axis 134.
[0230] As shown in FIG. 7, the first end member 106 is disposed at one end of the device, and the second end member 116 is disposed at the opposite end of the device 100. The first and second end members 106, 116 both at least partially define the end face of the device 100. For example, the bottom surface of the second end member 116 at least partially defines the bottom surface of the device 100. The edge of the outer cover 102 also defines a part of the end face. In this example, the lid 108 also defines a part of the upper surface of the device 100.
[0231] The end of the device closer to the opening 104 is also known as the proximal end (or suction port end) of the device 100 because it is close to the user's mouth during use. During use, the user inserts the article 110 into the opening 104, operates the user control unit to start heating the aerosol generating material, and inhales the aerosol generated by the device. This causes the aerosol to flow into the device 100 along the flow path towards the proximal end of the device 100.
[0232] The other end of the device away from the opening 104 is also known as the distal end of the device 100 because it is away from the user's mouth during use. When the user inhales the aerosol generated by the device, the aerosol flows away from the distal end of the device 100.
[0233] The device 100 further includes a power source 118. The power source 118 may be a battery such as a rechargeable battery or a non-rechargeable battery. Examples of suitable batteries include lithium batteries (such as lithium ion batteries), nickel batteries (such as nickel-cadmium batteries), and alkaline batteries. The battery is electrically connected to the heating assembly and supplies power as needed and under the control of a controller (not shown) to heat the aerosol generating material. In this example, the battery is connected to a central support portion 120 that holds the battery 118 in a predetermined position.
[0234] The device further includes at least one electronic module 122. The electronic module 122 may include, for example, a printed circuit board (PCB). The PCB 122 may support a controller such as at least one processor and memory. The PCB 122 may also include one or more electrical tracks for electrically connecting various electronic components of the device 100 together. For example, a battery terminal is electrically connected to the PCB 122 so that power can be distributed throughout the device 100. Also, the socket 114 may be electrically coupled to the battery via an electrical track.
[0235] In an example of the device 100, the heating assembly is an induction heating assembly and includes various members for heating the aerosol generating material of the article 110 via an induction heating process. Induction heating is a process of heating a conductive object (such as a susceptor) by electromagnetic induction. The induction heating assembly may include an induction member, for example, one or more inductor coils, and a device for passing a varying current, such as an alternating current, through the induction member. The varying current in the induction member generates a varying magnetic field. The varying magnetic field preferably penetrates a susceptor positioned relative to the induction member and generates eddy currents inside the susceptor. The susceptor has an electrical resistance to the eddy currents, and thus, the susceptor is heated by Joule heating due to the flow of the eddy currents through this resistance. When the susceptor contains a ferromagnetic material such as iron, nickel, or cobalt, heat is also generated by magnetic hysteresis loss in the susceptor, i.e., as a result of the change in the orientation of the magnetic dipoles of the magnetic material due to alignment with the varying magnetic field. In induction heating, heat is generated inside the susceptor, for example, compared to heating by conduction, enabling rapid heating. Further, there is no need for any physical contact between the dielectric heater and the susceptor, which can increase the degrees of freedom in structure and application.
[0236] The induction heating assembly of the example of device 100 includes a susceptor structure 132 (hereinafter referred to as "susceptor"), a first inductor coil 124, and a second inductor coil 126. The first and second inductor coils 124, 126 are made of a conductive material. In this example, the first and second inductor coils 124, 126 are made of a Litz wire / cable, which is wound in a spiral to provide helical inductor coils 124, 126. The Litz wire includes a plurality of individual wires, which are individually insulated and twisted together to form a single wire. The Litz wire is designed to reduce skin effect losses in the conductor. In the example of device 100, the first and second inductor coils 124, 126 are made of a copper Litz wire with a rectangular cross-section. In other examples, the Litz wire may have a cross-section of other shapes such as circular.
[0237] The first inductor coil 124 is configured to generate a first alternating magnetic field for heating a first section of the susceptor 132, and the second inductor coil 126 is configured to generate a second alternating magnetic field for heating a second section of the susceptor 132. In this example, the first inductor coil 124 is adjacent to the second inductor coil 126 in a direction along the longitudinal axis 134 of the device 100 (i.e., the first and second inductor coils 124, 126 do not overlap). The susceptor structure 132 may include a single susceptor or two or more susceptors. The ends 130 of the first and second inductor coils 124, 126 are connected to the PCB 122.
[0238] Of course, in some examples, the first and second inductor coils 124, 126 may have at least one different characteristic from each other. For example, the first inductor coil 124 may have at least one different characteristic from the second inductor coil 126. For example, in one example, the first inductor coil 124 may have an inductance value different from that of the second inductor coil 126. In FIG. 7, the first and second inductor coils 124, 126 have different lengths such that the first inductor coil 124 is wound around a smaller section of the susceptor 132 than the second inductor coil 126. Accordingly, the first inductor coil 124 may have a different number of turns from the second inductor coil 126 (assuming that the spacing between individual turns is substantially the same). In yet another example, the first inductor coil 124 may be made of a material different from that of the second inductor coil 126. In some examples, the first and second inductor coils 124, 126 may be substantially the same.
[0239] In this example, the first and second inductor coils 124, 126 are shown wound in opposite directions. This is useful when the inductor coils are active at different times. For example, first the first inductor coil 124 may be activated to heat a first section / portion of the article 110, and then the second inductor coil 126 may be activated to heat a second section / portion of the article 110. Winding the coils in different directions aids in reducing the current induced in the inductor coils when used with a particular type of control circuit. In FIG. 7, the first inductor coil 124 is a right-handed helix and the second inductor coil 126 is a left-handed helix. However, in another embodiment, the inductor coils 124, 126 may be wound in the same direction, or the first inductor coil 124 may be a left-handed helix and the second inductor coil 126 may be a right-handed helix.
[0240] The susceptor 132 in this example is hollow and thus defines a receiving portion for containing an aerosol generating material therein. For example, the article 110 is inserted into the susceptor 132. In this example, the susceptor 132 is tubular and has a circular cross-section.
[0241] The susceptor 132 may be made of one or more materials. Preferably, the susceptor 132 comprises carbon steel having a nickel or cobalt coating.
[0242] In some examples, the susceptor 132 may comprise at least two materials, which can be heated at two different frequencies for selective aerosolization of at least two of its materials. For example, a first section of the susceptor 132 (heated by the first induction coil 124) may comprise a first material, and a second section of the susceptor 132 heated by the second induction coil 126 may comprise a different second material. In another example, the first section may comprise the first and second materials, and the first and second materials may be heated separately based on the operation of the first induction coil 124. The first and second materials may be adjacent along an axis defined by the susceptor 132, or may form different layers within the susceptor 132. Similarly, the second section may comprise the third and fourth materials, and these third and fourth materials may be heated separately based on the operation of the second induction coil 126. The third and fourth materials may be adjacent along an axis defined by the susceptor 132, or may form different layers within the susceptor 132. For example, the third material may be the same as the first material, and the fourth material may be the same as the second material. Alternatively, each of these materials may be different. The susceptor may comprise, for example, carbon steel or aluminum.
[0243] The device 100 of FIG. 7 is generally tubular and further includes an insulating member 128 that at least partially surrounds the susceptor 132. The insulating member 128 may be composed of any insulating material such as, for example, plastic. In this particular example, the insulating member is composed of polyetheretherketone (PEEK). The insulating member 128 serves to insulate the various components of the device 100 from the heat emitted within the susceptor 132.
[0244] Also, the insulating member 128 may support the first and second inductor coils 124, 126 either completely or partially. For example, as shown in FIG. 7, the first and second inductor coils 124, 126 are positioned around the insulating member 128 and contact the radially outer surface of the insulating member 128. In some examples, the insulating member 128 does not abut against the first and second inductor coils 124, 126. For example, a small gap may exist between the outer surface of the insulating member 128 and the inner surfaces of the first and second inductor coils 124, 126.
[0245] In a specific example, the susceptor 132, the insulating member 128, and the first and second inductor coils 124, 126 are coaxial about the central longitudinal axis of the susceptor 132.
[0246] FIG. 8 is a side view shown in a partial cross-section of the device 100. The outer cover 102 is shown in this example. The rectangular cross-sectional shape of the first and second inductor coils 124, 126 can be more clearly visualized.
[0247] The device 100 further includes a support 136 that engages with one end of the susceptor 132 to hold the susceptor 132 in a predetermined position. The support 136 is connected to the second end member 116.
[0248] The device also includes a second printed circuit board 138 associated with the adjustment member 112.
[0249] The device 100 further includes a second lid / cap 140 and a spring 142 disposed toward the distal end of the device 100. The spring 142 opens the second lid 140 so that it touches the susceptor 132. The user may open the second lid 140 to clean the susceptor 132 and / or the support 136.
[0250] Device 100 further includes an expansion chamber 144 that extends away from the proximal end of susceptor 132 toward the opening 104 of the device. At least partially disposed within expansion chamber 144 is a retaining clip 146 that contacts and holds article 110 when received within device 100. Expansion chamber 144 is connected to end member 106.
[0251] FIG. 9 is an exploded view of device 100 of FIG. 8 with outer cover 102 omitted.
[0252] FIG. 10A is a partial cross-sectional view of device 100 of FIG. 8. FIG. 10B is an enlarged view of a region of FIG. 10A. FIGS. 8A and 8B show article 110 received within susceptor 132, which is sized such that its outer surface abuts the inner surface of susceptor 132. This enables heating to be most efficient. Article 110 in this example includes aerosol generating material 110a. Aerosol generating material 110a is positioned within susceptor 132. Article 110 may also include other members such as filter wrapping material and / or a cooling structure.
[0253] FIG. 10B shows that the outer surface of susceptor 132 is spaced from the inner surfaces of inductor coils 124, 126 by a distance 150 as measured in a direction perpendicular to the longitudinal axis 158 of susceptor 132. In one particular example, distance 150 is about 3 mm to 4 mm, about 3 to 3.5 mm , or about 3.25 mm.
[0254] FIG. 10B further shows that the outer surface of insulating member 128 is spaced from the inner surfaces of inductor coils 124, 126 by a distance 152 as measured in a direction perpendicular to the longitudinal axis 158 of susceptor 132. In one particular example, distance 152 is about 0.05 mm. In another example, distance 152 is substantially 0 mm such that inductor coils 124, 126 abut and touch insulating member 128.
[0255] In one example, the wall thickness 154 of susceptor 132 is about 0.025 mm to 1 mm, or about 0.05 mm.
[0256] In one example, the length of the susceptor 132 is about 40 mm to 60 mm, about 40 mm to 45 mm, or about 44.5 mm.
[0257] In one example, the wall thickness 156 of the insulating member 128 is about 0.25 mm to 2 mm, 0.25 mm to 1 mm, or about 0.5 mm.
[0258] In use, the articles 1, 1', 1'', 1''', 1'''' described herein are inserted into a non-combustible aerosol supply device such as the device 100 described with reference to FIGS. 6-10. At least a portion of the mouthpieces 2, 2', 2'', 2''', 2'''' of the articles 1, 1', 1'', 1''', 1'''' protrude from the non-combustible aerosol supply device 100 and are placed in the user's mouth. An aerosol is generated by heating the aerosol generating material 3 using the device 100. The aerosol generated by the aerosol generating material 3 travels through the mouthpieces 2, 2', 2'', 2''', 2'''' to the user's mouth.
[0259] The articles 1, 1', 1'', 1''', 1'''' described herein are particularly advantageous when used in a non-combustible aerosol supply device such as the device 100 described with reference to FIGS. 6-10, for example. Surprisingly, it has been found that the amorphous solid material body 6 particularly significantly affects the temperature of the aerosol delivered to the mouthpiece end of the articles 1, 1', 1'', 1''', 1''''.
[0260] Tests were conducted on two comparative smoking articles and exemplary embodiments of the present invention. Comparative Examples A and B are the same as article 1'' except that Comparative Examples A and B include a fibrous material body 4 instead of the amorphous solid material body 6. Comparative Example A has a ventilation level of 60%, and Comparative Example B has a ventilation level of 75%. The exemplary article is the same as article 1'' and is provided with 60% ventilation.
[0261] The test was conducted on the first two puffs of the article. Each sample was tested 9 times, and the resulting temperature is the average of these 9 tests. The known Health Canada Intense puffing regime (applying a puff volume of 55 ml for 2 seconds every 30 seconds) was applied using a standard test device. This was applied. The results of the test are shown in Table 1, where the puff temperature indicates the difference between room temperature and aerosol temperature.
[0262] As shown in Table 1, the aerosol temperature over the first and second puffs from the exemplary article containing the amorphous solid material body is lower than the aerosol temperature over these puffs of either Comparative Example A or B. The aerosol temperature over Puff 1 and Puff 2 of the exemplary article with 60% ventilation corresponds to the aerosol temperature over Puff 1 and Puff 2 of Comparative Example B with 75% ventilation. A high ventilation level has the effect of cooling the aerosol temperature, and thus it is significant to achieve an equivalent aerosol temperature in articles with a ventilation level of 15% or less.
[0263] [Table 1]
[0264] Figure 11 illustrates a method of manufacturing an article for use in a non-combustion aerosol supply system. In step S101, a sheet-like amorphous solid material source is passed through a device to form a rod made of the amorphous solid material in which the sheet material is gathered.
[0265] In step S102, the rod made of the gathered amorphous solid material is cut to a length for forming an amorphous solid material body as defined herein.
[0266] Figure 12 is a side view of a device for manufacturing a material body rod according to the present specification.
[0267] FIG. 12 shows an apparatus 200 for manufacturing a material body according to the present invention, which includes a tongue portion 211 and a guide nozzle 212 including a funnel portion. The tongue portion 211 is a tapered duct having a wide inlet opening 211b and a narrow outlet opening 211a. The tongue portion 211 has a substantially circular cross-section and may open at its lower side in the form of an elongated slot (not shown) extending along the length of the tongue in the axial direction so that the tongue portion 211 does not form a complete circle in cross-section. The tongue portion 211 may be located in a guide (not shown) including a forming track, along which a continuous belt or "garniture" 215 extends. The garniture 215 extends over a plurality of guide rollers 216 and is driven to be conveyed around the rollers 216 in the direction indicated by the arrow "A". The wrapper paper "P" is supplied from a spool 217 onto the upper surface of the garniture 215 and is conveyed so as to pass through the tongue portion 211 by the moving garniture 215. When the wrapper paper P moves within the tongue portion 211, the forming track deforms the garniture and the wrapper paper thereon so that in cross-section the wrapper paper P forms a closed circle around a rod formed such that it completely encloses the rod formed by gathering the material as it exits the narrow distal end 211a from a flat state when it enters the wide inlet opening 211b of the tongue portion 211 (as when it is in the spool).
[0268] In use, a bobbin (not shown) of amorphous solid material is supplied into the funnel of the guide nozzle 212 and guided into the tongue portion 211, and the amorphous solid material is continuously supplied into the tapered tongue portion 211 to form a rod by gathering the material as it exits the narrow distal end 211a to form a sheet of amorphous solid material.
[0269] When the amorphous solid material is supplied into the tongue portion 211, it is gathered on the wrapper paper P being conveyed on the garniture 215 and is conveyed together therewith within the tongue portion 211. As the amorphous solid material moves within the tongue portion 211, the material is pressed because the tongue portion 211 tapers inward, and the wrapper paper P is folded around the periphery of the outside of the pressed cylinder formed of the amorphous solid material gathered so that the amorphous solid material forms a pressed cylindrical rod surrounded by the outer wrapper paper P as it exits through the narrow outlet opening 211a of the tongue portion 211.
[0270] The rod formed by the method described herein is cut to a length for forming a plurality of material bodies according to the present invention.
[0271] The various embodiments described herein are provided only as an aid to understanding and teaching the claimed features. These embodiments are merely representative specific examples and are neither comprehensive nor exclusive. Of course, the advantages, embodiments, specific examples, functions, features, structures, and / or other aspects of the present disclosure should not be considered to limit the present disclosure to that defined in the claims or to equivalents of the claims, but other embodiments may be utilized and modified without departing from the scope and / or spirit of the present disclosure. The various embodiments may suitably comprise, consist of, or consist essentially of the disclosed components, elements, features, parts, steps, means and other combinations. Also, the present disclosure includes other inventions that are not currently claimed but may be claimed in the future.
Claims
1. An article for use in a non-combustion based aerosol delivery system, the article comprising a mouthpiece comprising a body of material, the body of material comprising an amorphous solid material.
2. 2. The article of claim 1, wherein the body of material comprises an assembled sheet of amorphous solid material.
3. 3. An article according to claim 1 or 2, wherein the body of material comprises an elongated strip of amorphous solid material.
4. 4. The article of claim 3, wherein the elongate strip is substantially aligned with a longitudinal axis of the article.
5. 5. The article of any one of claims 1 to 4, wherein the mouthpiece comprises a further section, the further section being a body of fibrous material or a hollow tubular member, the mouthpiece comprising a mouth end and a distal end.
6. 6. The article of claim 5, wherein the further section is located at the mouth end of the mouthpiece.
7. 7. An article according to claim 5 or 6, wherein the further section is a first further section and the mouthpiece further comprises a second further section.
8. 8. An article according to claim 7, wherein the second further section is a body of fibrous material or a hollow tubular member.
9. 9. An article according to claim 7 or 8, wherein the first further section and the second further section are both hollow tubular members.
10. 10. The article of claim 9, wherein each of the hollow tubular members is a paper tube or a hollow tubular member formed from filament tow.
11. 11. An article according to any one of claims 7 to 10, wherein the second further section is located at a distal end of the mouthpiece.
12. 9. An article according to any one of claims 5 to 8, wherein the body of material is located at the distal end of the mouthpiece.
13. 13. An article according to any one of the preceding claims, wherein the thickness of the amorphous solid material is between 0.015mm and 0.5mm, or between 0.1mm and 0.3mm, or between 0.15mm and 0.25mm.
14. 14. An article according to any one of claims 1 to 13, wherein the amorphous solid material is laminated to a support.
15. 15. The article of claim 14, wherein the support is paper or foil.
16. 16. The article of any one of claims 1 to 15, wherein the amorphous solid material is wrinkled.
17. 17. The article of any one of claims 1 to 16, wherein the amorphous solid material comprises a flavourant, and optionally the flavourant is menthol.
18. 18. The article of claim 17, wherein the amorphous solid material comprises 0.1-65% by dry weight, or 1%-60% by dry weight, or 10%-55% by dry weight, preferably 40%-50% by dry weight of menthol.
19. 19. The article of any one of claims 1 to 18, wherein the amorphous solid comprises a gelling agent, the gelling agent being one of pectin, gelatin, a polysaccharide, or carrageenan.
20. 20. The article of any one of claims 1 to 19, further comprising an aerosol generating material.
21. 21. The article of claim 20, wherein the aerosol-generating material is connected to a distal end of the mouthpiece.
22. 22. A system comprising an article according to claim 20 or 21 and a non-combustion aerosol delivery device for heating the aerosol-generating material of the article.
23. 23. The system of claim 22, wherein the non-combustion based aerosol delivery device comprises a coil.
24. 24. The system of claim 22 or 23, wherein the non-combustion aerosol delivery device is configured to heat the aerosol-generating material of the article to a maximum temperature of at least 200°C.
25. 25. The system of claim 24, wherein the non-combustion aerosol delivery device is configured to heat the aerosol-forming material of the article to a maximum temperature of at least about 160°C, or at least 200°C, or at least about 220°C, or at least about 240°C, or at least about 270°C.
26. 1. A method of making an article for use in a non-combustion based aerosol delivery system, the article comprising a mouthpiece comprising a body of material, the body of material comprising an amorphous solid material, the method comprising providing a source of amorphous solid material, passing the amorphous solid material through an apparatus to form a rod of gathered amorphous solid material, and severing the rod of amorphous solid material to form the body of material.
27. 27. The method of claim 26, wherein the amorphous solid material has a width of between 150 mm and 500 mm.
28. 28. A method according to claim 26 or 27, wherein the amorphous solid material is cut into pieces before passing through the apparatus.
29. 29. A method according to claim 26, 27 or 28, wherein the amorphous solid material is wrinkled prior to passing through the device.
30. 30. The method of claims 26, 27, 28 or 29, wherein the body of amorphous solid material is combined with an aerosol-generating source to form an article for use in a non-combustion based aerosol delivery system.
Citation Information
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