Aerosol-generating article having high smoke concentration

Abstract

The present invention provides an aerosol-generating article having a high smoke concentration, comprising an aerosol-generating component, a temperature regulating component and a filtering component which are arranged in sequence; the aerosol-generating component comprises an aerosol-generating substrate and a first wrapping material wrapping the aerosol-generating substrate; the aerosol-generating substrate comprises a natural shredded tobacco atomizing material and reconstituted tobacco leaves, wherein the natural shredded tobacco atomizing material comprises tobacco shreds and a first atomizing agent; the first wrapping material is of a multi-layer composite structure, and the multi-layer composite structure comprises a metal layer and a paper layer; the temperature regulating component comprises a hollow tubular paper-based material; and the filtering component comprises a filtering fiber bundle. Compared with the prior art, the present invention, by means of the aerosol-generating substrate prepared by mixing the reconstituted tobacco leaves with the natural shredded tobacco atomizing material, solves the problem of insufficient smoke affecting the use experience of consumers, and improves the use experience for heated cigarette sticks.

Description

A high-smoke-concentration aerosol-generating product

[0001] This application claims priority to Chinese Patent Application No. CN202411522191.8, filed on October 29, 2024, the contents of which are incorporated herein by reference in their entirety. Technical Field

[0002] This invention belongs to the field of tobacco processing technology, and particularly relates to a high-smoke-concentration aerosol-generating product. Background Technology

[0003] With the accelerating pace of international and domestic tobacco control movements, especially in recent years with the implementation of tobacco control regulations across China and increasingly strict controls on smoking in public places, coupled with rising living standards that have made people more eager to pursue a healthy lifestyle, the tobacco industry is facing new opportunities and challenges. How to satisfy consumers' desire for both satisfaction and some of the flavor of tobacco while reducing harm to health is one of the hot research topics in the tobacco industry, leading to the emergence of new tobacco products.

[0004] New tobacco products mainly include heated tobacco products, e-cigarettes, and smokeless tobacco products (oral cigarettes, snuff, chewing tobacco), among which heated tobacco products have advantages such as low-temperature heating (below 500℃) instead of direct combustion, lower harm, and fashionable appearance, making them the most widely developed and fastest-growing mainstream new tobacco products. However, heated cigarettes have the disadvantage of insufficient heat in the first few puffs, resulting in insufficient smoke and affecting the consumer experience. Summary of the Invention

[0005] In view of this, the technical problem to be solved by the present invention is to provide an aerosol generating product with high smoke concentration.

[0006] The present invention provides an aerosol generating product with high smoke concentration, comprising an aerosol generating component, a temperature control component and a filter component arranged sequentially;

[0007] The aerosol generating component includes an aerosol generating substrate and a first wrapping material wrapped around the aerosol generating substrate;

[0008] The aerosol generating substrate includes natural leaf atomizing material and reconstituted tobacco leaves; the natural leaf atomizing material includes tobacco leaves and a first atomizing agent;

[0009] The first packaging material is a multi-layered composite structure;

[0010] The multilayer composite structure includes a metal layer and a paper layer;

[0011] The temperature control component comprises a hollow tubular paper-based material;

[0012] The filter element includes a bundle of filter fibers.

[0013] Preferably, the mass of the natural leaf filament atomizing material is 10% to 90% of the mass of the aerosol generating substrate;

[0014] The mass of the first atomizing agent is 5% to 50% of the mass of the tobacco shreds;

[0015] The first atomizing agent is selected from one or more of ethylene glycol, propylene glycol and glycerol.

[0016] Preferably, the reconstituted tobacco leaf comprises a powder containing alkaloids, a second atomizing agent, a binder, and added fibers; the mass of the powder containing alkaloids is 70%–80% of the mass of the reconstituted tobacco leaf; the mass of the second atomizing agent is 25%–35% of the mass of the reconstituted tobacco leaf; the second atomizing agent is selected from propylene glycol and / or glycerol; the mass of the binder is 3%–5% of the mass of the reconstituted tobacco leaf; and the mass of the added fibers is 3%–10% of the mass of the reconstituted tobacco leaf.

[0017] Preferably, the width of the natural leaf atomizing material is 0.8–1.2 mm and the thickness is 0.05–0.2 mm; the width of the reconstituted tobacco leaf is 0.5–0.8 mm and the thickness is 0.15–0.18 mm; and the liquid content of the reconstituted tobacco leaf is 6%–10%.

[0018] Preferably, the amount of the first packaging material is 50-70 grams per square meter;

[0019] The thickness of the metal layer is 4–9 μm;

[0020] The ratio of transverse elongation at break to longitudinal elongation at break of the first wrapping material was measured using the GB / T22898-2008 standard and was between 1 and 1.5.

[0021] The density of the paper layer of the first wrapping material is 1500-2000 kg / m³. 3 ;

[0022] The thickness of the paper layer of the first packaging material is less than 78 μm.

[0023] Preferably, the aerosol generating component has a hardness of 70% to 80% as tested according to GB / T 22838.6 Determination of physical properties of cigarettes and filter rods - Part 6: Hardness;

[0024] The aerosol generating component is located 18 mm away from the end of the temperature control component. The tensile strength at the axial intersection of the aerosol generating substrate and the first wrapping material is 40-50 N.

[0025] Preferably, the length of the aerosol generating component is 30-40 mm;

[0026] The length of the temperature control component is 20–40 mm;

[0027] The length of the filter element is 5-15 mm.

[0028] Preferably, the basis weight of the hollow tubular paper-based material is 240–320 g / m²;

[0029] The sidewall of the hollow tubular paper-based material is provided with multiple perforations;

[0030] The perforation is located in the hollow tubular paper-based material within a range of 18-22 mm from the suction end;

[0031] And / or, the number of perforations is 80 to 120;

[0032] And / or, the length of the perforation along the circumferential direction of the hollow tubular paper-based material is 40% to 60% of the circumferential length of the hollow tubular paper-based material;

[0033] And / or, the ratio of the width of the perforation to the length of the perforation along the circumferential direction of the hollow tubular paper-based material is less than 5%;

[0034] And / or, the ratio of the total area of ​​the perforations to the area of ​​the perforated region in the hollow tubular paper-based material is 1% to 5%;

[0035] And / or, the ventilation rate of the hollow tubular paper-based material is 40% to 80%;

[0036] And / or, the air resistance of the hollow tubular paper-based material is less than 8 mmH2O / seg.

[0037] Preferably, the filter element has a hardness greater than 80% as tested according to GB / T 22838.6 Determination of physical properties of cigarettes and filter rods - Part 6: Hardness;

[0038] And / or, the filter fiber bundle has a monofilament fineness greater than or equal to 12;

[0039] And / or, the filter fiber bundle has a total fineness of 25,000 to 45,000;

[0040] And / or, the pressure difference through the filter element is greater than 32 mmH2O;

[0041] And / or, the filter fiber bundle comprises per mm 2 The total number of deniers with a cross-sectional area of ​​500 g / 9000 m² or more;

[0042] And / or, the filter fiber bundle includes more than 15 wt% plasticizer.

[0043] Preferably, it further includes a second wrapping material; the second wrapping material wraps the hollow tubular paper-based material and the filter fiber bundle to form a temperature control component and a filter component connected together;

[0044] It also includes a third wrapping material; the third wrapping material wraps the aerosol generating component, the temperature control component and the filter component to form an aerosol generating product;

[0045] The third wrapping material has holes;

[0046] The amount of the third packaging material is 40-60 grams per square meter;

[0047] The third packaging material is coated with fragrance.

[0048] This invention provides a high-smoke-concentration aerosol generating product, comprising an aerosol generating component, a temperature control component, and a filtering component arranged sequentially. The aerosol generating component includes an aerosol generating substrate and a first wrapping material surrounding the substrate. The aerosol generating substrate comprises natural tobacco leaf atomizing material and reconstituted tobacco leaves. The natural tobacco leaf atomizing material includes tobacco shreds and a first atomizing agent. The first wrapping material has a multi-layer composite structure, comprising a metal layer and a paper layer. The temperature control component includes a hollow tubular paper-based material. The filtering component includes filter fiber bundles. Compared with existing technologies, this invention solves the problem of insufficient smoke volume and negative impact on the user experience by using an aerosol generating substrate composed of reconstituted tobacco leaves and natural tobacco leaf atomizing material, thus improving the user experience of heated cigarettes. Attached Figure Description

[0049] Figure 1 is a schematic diagram of the structure of the aerosol-generated product provided by the present invention;

[0050] Figure 2 is a photograph of the aerosol-generated product provided by the present invention;

[0051] Figure 3 is a schematic diagram of a structure with multiple perforations;

[0052] Figure 4 shows the changes in smoke concentration of the cigarettes obtained in Examples 1-5 of the present invention. Detailed Implementation

[0053] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0054] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0055] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0057] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0058] The present invention provides an aerosol generating product with high smoke concentration, comprising an aerosol generating component, a temperature control component and a filter component arranged sequentially;

[0059] The aerosol generating component includes an aerosol generating substrate and a first wrapping material wrapped around the aerosol generating substrate;

[0060] The aerosol generating substrate includes natural leaf atomizing material and reconstituted tobacco leaves; the natural leaf atomizing material includes tobacco leaves and a first atomizing agent;

[0061] The first packaging material is a multi-layered composite structure;

[0062] The multilayer composite structure includes a metal layer and a paper layer;

[0063] The temperature control component comprises a hollow tubular paper-based material;

[0064] The filter element includes a bundle of filter fibers.

[0065] Referring to Figure 1, which is a schematic diagram of the structure of the aerosol generating product provided by the present invention, 1 is the aerosol generating substrate, 2 is the first encapsulation material, 11 is the aerosol generating component, 3 is the hollow tubular paper base material, 4 is the filter fiber bundle, 6 is the second encapsulation material, 21 is the connected temperature control component and filter component, and 7 is the third encapsulation material; Figure 2 is a photograph of the actual aerosol generating product provided by the present invention.

[0066] According to the present invention, the aerosol generating component is a cylinder formed by wrapping the aerosol generating substrate with a first encapsulating material; the length of the aerosol generating component is preferably 30-40 mm, more preferably 32-38 mm, and even more preferably 34-36 mm; the density of the aerosol generating component is preferably 0.35-0.65 g / cm³. 3 More preferably, it is 0.4–0.6 g / cm³. 3 The optimal value is 0.45–0.6 g / cm³. 3 The optimal value is 0.5–0.6 g / cm³. 3 The optimal value is 0.55–0.6 g / cm³. 3 The optimal value is 0.59 g / cm³. 3 The aerosol generating component is preferably tested to a hardness of 70% to 80% according to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness; the tensile strength of the aerosol generating component at the axial intersection of the aerosol generating substrate and the first wrapping material, 18 mm away from the temperature control component, is 40 to 50 N in the transverse direction.

[0067] According to the present invention, the aerosol generating substrate comprises natural leaf atomizing material and reconstituted tobacco leaves; the natural leaf atomizing material comprises tobacco leaves and a first atomizing agent; the tobacco leaves preferably comprise flue-cured tobacco, more preferably, in addition to flue-cured tobacco leaves, it also comprises one or two of sun-cured tobacco and burley tobacco leaves; the mass ratio of one or two of sun-cured tobacco and burley tobacco leaves to flue-cured tobacco is (3-1):(7-9), and even more preferably (2-1):(8-9); the first atomizing agent is preferably one or more of ethylene glycol, propylene glycol, and glycerol, more preferably propylene glycol and glycerol; the mass ratio of propylene glycol to glycerol is preferably (1-3):1, more preferably (1.5-2.5):1, and even more preferably 2:1; the mass of the first atomizing agent is preferably 5%-50% of the mass of the tobacco leaves, more preferably 5%-40%, even more preferably 5%-30%, and even more preferably 5%-20%, and even more preferably... The preferred content is 5%–15%, more preferably 5%–10%, and most preferably 7.5%; the width of the natural leaf atomizing material is preferably 0.8–1.2 mm, and the thickness is preferably 0.05–0.2 mm; the mass of the natural leaf atomizing material is preferably 10%–90% of the mass of the aerosol generating substrate, more preferably 20%–70%, and even more preferably 20%–50%; the reconstituted tobacco leaf can be any reconstituted tobacco leaf known to those skilled in the art, and there are no special limitations. In this invention, it can be one or more of the following: roller-pressed reconstituted tobacco leaf, slurry-processed reconstituted tobacco leaf, and dry-processed reconstituted tobacco leaf; the width of the reconstituted tobacco leaf is 0.5–0.8 mm, and the thickness is 0.15–0.18 mm; the liquid content of the reconstituted tobacco leaf is 6%–10%, more preferably 7%–8%; in some embodiments provided by this invention, the liquid content of the reconstituted tobacco leaf is specifically 7%.5%; the reconstituted tobacco preferably includes powder of alkaloid-containing material, a second atomizing agent, a binder, and added fibers; the mass of the powder of alkaloid-containing material is preferably 70% to 80% of the mass of the reconstituted tobacco, more preferably 70% to 75%, and even more preferably 70% to 72%; the particle size of the powder of alkaloid-containing material is preferably greater than or equal to 200 mesh; the alkaloid-containing material can be any alkaloid-containing material known to those skilled in the art, and there are no special limitations. In this invention, it is preferred to include flue-cured tobacco, and more preferably, in addition to flue-cured tobacco, it also includes one or two of sun-cured tobacco and burley tobacco leaves; the mass ratio of one or two of sun-cured tobacco and burley tobacco leaves to flue-cured tobacco is (3 to 1): (7 to 9), and even more preferably (2 to 1): (8 to 9); the mass of the second atomizing agent is preferably 25% to 3% of the mass of the reconstituted tobacco. The content of the first atomizing agent is preferably 5%, more preferably 25%–30%, and even more preferably 28%; the second atomizing agent is preferably propylene glycol and / or glycerol, more preferably propylene glycol and glycerol; the mass ratio of propylene glycol to glycerol is preferably (25–100):100, more preferably (50–100):100, even more preferably (75–100):100, and most preferably 100:100; the mass of the binder is preferably 3%–5% of the mass of the reconstituted tobacco; the binder can be any binder known to those skilled in the art and is not particularly limited, but in this invention, carboxymethyl cellulose (CMC) is preferred; the mass of the added fiber is preferably 3%–10% of the mass of the reconstituted tobacco, more preferably 5%–8%; the added fiber is preferably any one or more of high-yield softwood pulp, softwood sulfate pulp, and bleached softwood sulfate pulp.

[0068] According to the present invention, the preferred basis weight of the first packaging material is 50-70 g / m²; the preferred opacity of the first packaging material is 90% or higher; the first packaging material is preferably a multi-layer composite structure; the number of layers in the multi-layer composite structure is greater than or equal to 2; the multi-layer composite structure preferably includes a metal layer and a paper layer, specifically the inner side is the metal layer and the outer side is the paper layer; wherein, the thickness of the metal layer is preferably 4-9 μm; the metal layer is used for heat conduction and retention; the metal layer preferably does not contain any texture; specifically, the metal layer includes aluminum and / or aluminum alloy; the ratio of the transverse elongation at break to the longitudinal elongation at break of the paper layer is measured to be 1-1.5 according to GB / T22898-2008 standard; the preferred density of the paper layer is 1500-2000 kg / m². 3 The thickness of the paper layer is preferably less than 78 μm.

[0069] According to the present invention, a temperature control component is connected downstream of the aerosol generating component; the length of the temperature control component is preferably 20-40 mm, more preferably 25-35 mm, and even more preferably 30 mm; the temperature control component comprises a hollow tubular paper-based material; the basis weight of the hollow tubular paper-based material is preferably 240-320 g / m², more preferably 240-300 g / m², even more preferably 240-280 g / m², and most preferably 240-260 g / m²; the hollow tubular paper-based material conforms to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness Test The hardness is preferably greater than 90%, more preferably 91% to 95%, and even more preferably 93%; the sidewall of the hollow tubular paper base material is preferably provided with multiple perforations; the perforations are preferably located in the hollow tubular paper base material within 18 to 22 mm from the suction end; the number of perforations is preferably 80 to 120, more preferably 90 to 110, and even more preferably 100; the multiple perforations (8) preferably overlap to some extent, as shown in Figure 3, Figure 3 is a schematic diagram of the structure of multiple perforations (8); the length of the perforation along the circumference of the hollow tubular paper base material is preferably 40% to 60% of the circumference of the hollow tubular paper base material, more preferably 40% to 55%, even more preferably 40% to 50%, and most preferably 45%; the width of the perforation is equal to the length of the perforation along the circumference of the hollow tubular paper base material. The ratio of the sum of the circumferential lengths of the hollow tubular paper-based material to the total area of ​​the perforations is preferably less than 5%, more preferably 1% to 4%, and even more preferably 2% to 3%; the ratio of the total area of ​​the perforations to the area of ​​the perforated region in the hollow tubular paper-based material is preferably 1% to 5%, more preferably 2% to 4%, and even more preferably 2% to 3%; the ventilation rate of the hollow tubular paper-based material is preferably 40% to 80%, more preferably 45% to 75%, even more preferably 50% to 70%, even more preferably 50% to 65%, even more preferably 50% to 60%, and most preferably 55%; the air resistance of the hollow tubular paper-based material is preferably less than 8 mmH2O / seg, more preferably less than or equal to 6 mmH2O / seg, even more preferably less than or equal to 4 mmH2O / seg, even more preferably less than or equal to 2 mmH2O / seg, and most preferably less than or equal to 1 mmH2O / seg.

[0070] According to the present invention, a filter element is connected downstream of the temperature control component; the length of the filter element is preferably 5-15 mm, more preferably 8-12 mm, and even more preferably 10 mm; the filter element conforms to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness > Hardness is preferably greater than 80%, more preferably greater than 85%, and even more preferably greater than 90%; the pressure difference through the filter element is preferably greater than 32 mmH2O, more preferably 33-40 mmH2O, even more preferably 33-38 mmH2O, and most preferably 35 mmH2O; the filter element includes a filter fiber bundle; the filter fiber bundle may specifically be an acetate fiber bundle; the filter fiber bundle preferably has a monofilament fineness greater than or equal to 12; the filter fiber bundle preferably has a total fineness of 25,000-45,000, more preferably 25,000-40,000, even more preferably 28,000-35,000, even more preferably 28,000-32,000, and most preferably 30,000; the filter fiber bundle preferably includes a per mm 2 The total denier of the cross-sectional area of ​​500 grams / 9000 m² or more, specifically including per mm. 2 The total denier is 550 g / 9000 m or more in cross-sectional area; the filter fiber bundle preferably includes 15 wt% or more of plasticizer, more preferably 15 to 40 wt% of plasticizer, even more preferably 20 to 30 wt% of plasticizer, and most preferably 25 wt% of plasticizer; the plasticizer can be any plasticizer known to those skilled in the art and there are no special limitations. In this invention, triacetin is preferred.

[0071] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0072] According to the present invention, the aerosol generating article further includes a second wrapping material; the second wrapping material wraps a hollow tubular paper-based material and a filter fiber bundle to form a temperature control component and a filter component connected together; the second wrapping material is preferably a paper-based material, more preferably a high-permeability paper-based material; the air permeability of the second wrapping material is ≥10000CU.

[0073] According to the present invention, the aerosol generating article further includes a third encapsulating material; the third encapsulating material preferably encapsulates the aerosol generating component, the temperature control component, and the filter component to form the aerosol generating article; the third encapsulating material preferably has pores; the air permeability of the pores is preferably greater than or equal to 600 CU; the quantitative amount of the third encapsulating material is preferably 40-60 g / m², more preferably 40-55 g / m², even more preferably 40-50 g / m², and most preferably 55 g / m²; the third encapsulating material is coated with a fragrance to enhance the sensory experience; the fragrance can be any fragrance known to those skilled in the art and is not particularly limited, but fruity fragrances are preferred in this invention; the amount of fragrance coated is preferably less than or equal to 0.01% of the total weight of the aerosol generating article.

[0074] This invention addresses the problem of insufficient smoke production, which affects the user experience, by generating a substrate through an aerosol made from a mixture of reconstituted tobacco leaves and natural leaf atomizing materials, thereby improving the user experience of heated cigarettes.

[0075] To further illustrate the present invention, the following describes in detail, with reference to embodiments, a high-smoke-concentration aerosol generating product provided by the present invention.

[0076] All reagents used in the following examples are commercially available.

[0077] Example 1

[0078] A high-smoke-concentration aerosol-generating article includes an aerosol-generating component, comprising an aerosol-generating substrate (1) containing aerosolizable filaments, which are wrapped by a first wrapping material (2) to form a first columnar body (11). The first wrapping material (2) is a two-layer composite material with a base weight of 55 g / m², 100% opacity, and includes a metal layer with no texture and a thickness of 9 μm, and a paper layer with a transverse / longitudinal breaking elongation ratio of 1.2 as measured by GB / T22898-2008 standard, and a paper layer density of 1800 kg / m³. 3 The density is 75 micrometers, and the thickness is 75 micrometers; the length of the aerosol generating component is 34 mm, and the density is 0.59 g / cm³. 3 According to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness, the aerosol generating substrate was pressed into the aerosol generating component under a fixed pressure along the diameter direction for a certain period of time, achieving a hardness of 82%. The tensile strength of the aerosol generating component obtained after pressing into the aerosol generating substrate was 50 N in the transverse direction (where the measuring portion is 18 mm) at the intersection of the tobacco portion and the axial direction.

[0079] The downstream temperature control component of the aerosol generation substrate includes a hollow tubular paper base material (3), which has a base weight of 240 g / m², a hardness of 93%, 100 perforations at a distance of 18-22 mm from the suction end, with some overlap between the perforations, and in the region at a distance of 18-22 mm from the suction end, the ratio of the length of the perforation along the circumferential direction to the circumference of the cigarette is 45%, the ratio of the perforation width to the total length is 2%, the ratio of the total perforation area to the area of ​​the region is 2%, the ventilation rate of the control material is 55%, the length is up to 30 mm, and the ventilation resistance of this section is 1 mmH2O / seg.

[0080] The downstream filter element of the temperature control component includes a filter fiber bundle (4) with a hardness greater than 90%, a monofilament fineness of 15 and a total fineness of 30,000, made of acetate fiber bundles with a length of 10 mm, and a pressure differential of 35 mmH2O passing through the filter element. The fiber material comprises [missing information - likely referring to a specific component or material] per mm. 2 The total denier of the cross-sectional area is 550 g / 9000 m, and the plasticizer is glyceryl triacetate at a weight of 25%.

[0081] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0082] The metal layer of the aerosol generating component is aluminum.

[0083] Preferably, the aerosolizable filaments are 100% reconstituted tobacco leaves produced by roller pressing.

[0084] Preferably, the width of the rolled tobacco leaves is 0.8 mm, the thickness is 0.18 mm, and the liquid content reaches 7.5%.

[0085] Preferably, the roller-pressed reconstituted tobacco leaf is prepared by mixing flue-cured tobacco and sun-cured tobacco leaf raw materials in a mass ratio of 9:1 and grinding them into mixed tobacco powder with a particle size of 200 mesh or more, and then combining them with a binder, an aerosol forming agent and water to form a slurry, wherein the slurry comprises: (1) mixed tobacco powder accounting for about 72% of the total weight of the slurry; (2) aerosol forming agent accounting for 28% of the total weight of the slurry; and (3) 5% binder CMC and 5% added high-yield fiber coniferous wood pulp.

[0086] Preferably, the aerosol forming agent is selected from glycerol and propylene glycol, and the mass ratio of propylene glycol to glycerol is 1:1;

[0087] Preferably, the hollow tubular paper base material (3) and cellulose acetate bundle (4) are wrapped by a second wrapping material (6) to form a second columnar body. The wrapping material is a high-permeability paper base material with an air permeability of ≥10000CU.

[0088] Preferably, the first columnar body and the second columnar body are wrapped with a third wrapping material to form a cigarette A.

[0089] Preferably, the third packaging material has pores with a permeability of ≥600CU, a base weight of 45 g / m², and is coated with fruit-scented fragrances. The coating coverage is ≤0.01% of the total weight of the aerosol-generated product, thereby enhancing the sensory experience.

[0090] Example 2

[0091] A high-smoke-concentration aerosol-generating product includes an aerosol-generating component. The aerosol-generating component includes an aerosol-generating substrate (1) containing two aerosolizable filaments, namely reconstituted tobacco leaves and natural leaf filament atomizing materials, which are wrapped by a first wrapping material (2) to form a first columnar body (11). The first wrapping material (2) is composed of two layers of materials, with a base weight of 55 g / m² and an opacity of 100%. It also includes a paper layer with a 9 μm thick, textureless metal layer and a transverse / longitudinal breaking elongation ratio of 1.2 as measured by GB / T22898-2008 standard, and a paper layer density of 1800 kg / m³. 3 The density is 75 micrometers, and the thickness is 75 micrometers; the length of the aerosol generating component is 34 mm, and the density is 0.59 g / cm³. 3 According to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness, the aerosol generating substrate was pressed into the aerosol generating component under a fixed pressure along the diameter direction for a certain period of time, achieving a hardness of 82%. The tensile strength of the aerosol generating component obtained after pressing in the aerosol generating substrate was 50 N in the transverse direction (intersecting the axial direction) of the tobacco section when the test portion was 18 mm.

[0092] The temperature control component downstream of the aerosol generation substrate includes a hollow tubular paper base material (3), which has a base weight of 240 g / m², a hardness of 93%, 100 perforations at a distance of 18–22 mm from the suction end, with some overlap between the perforations, and in the region at a distance of 18–22 mm from the suction end, the ratio of the length of the perforation along the circumferential direction to the circumference of the cigarette is 45%, the ratio of the perforation width to the total length is 2%, the ratio of the total perforation area to the area of ​​the region is 2%, the ventilation rate of the control material is 55%, the length is up to 30 mm, and the ventilation resistance of this section is 1 mmH2O / seg.

[0093] The downstream filter element of the temperature control component includes a filter fiber bundle (4) with a hardness greater than 90%, a monofilament fineness of 15 and a total fineness of 30,000, made of acetate fiber bundles with a length of 10 mm, and a pressure differential of 35 mmH2O passing through the filter element. The fiber material comprises [missing information - likely referring to a specific component or material] per mm.2 The total denier of the cross-sectional area is 550 g / 9000 m, and the plasticizer is glyceryl triacetate at a weight of 25%.

[0094] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0095] The metal layer of the aerosol generating component is an iron-aluminum alloy.

[0096] Preferably, the aerosolizable filament is a mixture of reconstituted tobacco leaves produced by roller pressing and natural leaf atomizing material, with the natural leaf atomizing material comprising 90% of the total. The natural leaf atomizing material includes flue-cured tobacco and burley tobacco leaves as raw materials and a first atomizing agent. The mass ratio of flue-cured tobacco to burley tobacco leaves is 9:1. The mass of the first atomizing agent is 7.5% of the total mass of the flue-cured and burley tobacco leaves. The first atomizing agent is composed of propylene glycol and glycerol, with a mass ratio of propylene glycol to glycerol of 2:1. The natural leaf atomizing material has a width of 1.0 mm and a thickness of 0.15 mm.

[0097] Preferably, the width of the rolled tobacco leaves is 0.8 mm, the thickness is 0.18 mm, and the liquid content reaches 7.5%.

[0098] Preferably, the roller-pressed reconstituted tobacco leaf is prepared by mixing and grinding flue-cured tobacco and burley tobacco leaf raw materials in a mass ratio of 9:1 into mixed tobacco powder with a particle size of 200 mesh or more, and then combining it with a binder, an aerosol forming agent and water to form a slurry, wherein the slurry comprises: (1) mixed tobacco powder accounting for about 72% of the total weight of the slurry; (2) aerosol forming agent accounting for 28% of the total weight of the slurry; and (3) 5% binder CMC and 5% added high-yield fiber coniferous wood pulp.

[0099] Preferably, the aerosol forming agent is selected from glycerol and propylene glycol, and the mass ratio of propylene glycol to glycerol is 1:1;

[0100] Preferably, the hollow tubular paper base material (3) and cellulose acetate bundle (4) are wrapped by a second wrapping material (6) to form a second columnar body. The wrapping material is a high-permeability paper base material with an air permeability of ≥10000CU.

[0101] Preferably, the first columnar body and the second columnar body are wrapped with a third wrapping material (7) to form a cigarette B.

[0102] Preferably, the third packaging material has pores with a permeability of ≥600CU, a base weight of 45 g / m², and is coated with fruit-scented fragrances. The coating coverage is ≤0.01% of the total weight of the aerosol-generated product, thereby enhancing the sensory experience.

[0103] Example 3

[0104] A high-smoke-concentration aerosol generating product includes an aerosol generating component. The aerosol generating component includes an aerosol generating substrate (1) containing two aerosolizable filaments, namely reconstituted tobacco leaves and natural leaf filament atomizing materials, which are wrapped by a first wrapping material (2) to form a first columnar body (11). The first wrapping material (2) is composed of two layers of materials, with a base weight of 55 g / m² and 100% opacity. It also includes a paper layer with a 9 μm thick, textureless metal layer and a transverse / longitudinal breaking elongation ratio of 1.2 as measured by GB / T22898-2008 standard, with a paper layer density of 1800 kg / m³. 3 The density is 75 micrometers, and the thickness is 75 micrometers; the length of the aerosol generating component is 34 mm, and the density is 0.59 g / cm³. 3 According to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness, the aerosol generating substrate was pressed into the aerosol generating component under a fixed pressure along the diameter direction for a certain period of time, achieving a hardness of 82%. The tensile strength of the aerosol generating component obtained after pressing in the aerosol generating substrate was 50 N in the transverse direction (intersecting the axial direction) of the tobacco section when the test portion was 18 mm.

[0105] The downstream temperature control component of the aerosol generation substrate includes a hollow tubular paper base material (3), which has a base weight of 240 g / m², a hardness of 93%, 100 perforations at a distance of 18-22 mm from the suction end, with some overlap between the perforations, and in the region at a distance of 18-22 mm from the suction end, the ratio of the length of the perforation along the circumferential direction to the circumference of the cigarette is 45%, the ratio of the perforation width to the total length is 2%, the ratio of the total perforation area to the area of ​​the region is 2%, the ventilation rate of the control material is 55%, the length is up to 30 mm, and the ventilation resistance of this section is 1 mmH2O / seg.

[0106] Downstream of the temperature control component is a filter element comprising a filter fiber bundle (4) with a hardness greater than 90%, a monofilament fineness of 15 and a total fineness of 30,000, made of acetate fiber bundles, 10 mm in length, passing through the filter element under a pressure difference of 35 mmH2O. The fiber material comprises per mm... 2 The total denier of the cross-sectional area is 550 g / 9000 m, and the plasticizer is glyceryl triacetate at a weight of 25%.

[0107] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0108] The metal layer of the aerosol generating component is an iron-aluminum alloy.

[0109] Preferably, the aerosolizable filaments are composed of a blend of reconstituted tobacco leaves produced by roller pressing and natural leaf atomizing material, with the natural leaf atomizing material comprising 50% of the total. The natural leaf atomizing material includes flue-cured tobacco and burley tobacco leaf raw materials and a first atomizing agent. The mass ratio of flue-cured tobacco to burley tobacco leaf raw materials is 8:2. The mass of the first atomizing agent is 7.5% of the total mass of the flue-cured and burley tobacco leaf raw materials. The first atomizing agent is composed of propylene glycol and glycerol, with a mass ratio of propylene glycol to glycerol of 2:1. The natural leaf atomizing material has a width of 0.8 mm and a thickness of 0.1 mm.

[0110] Preferably, the width of the rolled tobacco leaves is 0.8 mm, the thickness is 0.18 mm, and the liquid content reaches 7.5%.

[0111] Preferably, the roller-pressed reconstituted tobacco leaf is made by grinding flue-cured tobacco and burley tobacco leaf raw materials into mixed tobacco powder with a particle size of 200 mesh or more at a mass ratio of 9:1, and then combining it with a binder, an aerosol forming agent and water to form a slurry, wherein the slurry comprises: (1) a mixed tobacco powder accounting for about 72% of the total weight of the slurry; (2) an aerosol forming agent accounting for 28% of the total weight of the slurry; and (3) 5% binder CMC and 5% added fiber coniferous wood high-yield pulp.

[0112] Preferably, the aerosol forming agent is selected from glycerol, and the proportion is 100%;

[0113] Preferably, the hollow tubular paper base material (3) and cellulose acetate bundle (4) are wrapped by a second wrapping material (6) to form a second columnar body. The wrapping material is a high-permeability paper base material with an air permeability of ≥10000CU.

[0114] Preferably, the first columnar body and the second columnar body are wrapped with a third wrapping material (7) to form a cigarette C.

[0115] Preferably, the third packaging material has pores with a permeability of ≥600CU, a base weight of 45 g / m², and is coated with fruit-scented fragrances. The coating coverage is ≤0.01% of the total weight of the aerosol-generated product, thereby enhancing the sensory experience.

[0116] Example 4

[0117] A high-smoke-concentration aerosol generating product includes an aerosol generating component. The aerosol generating component includes an aerosol generating substrate (1) containing two aerosolizable filaments, namely reconstituted tobacco leaves and natural leaf filament atomizing materials, which are wrapped by a first wrapping material (2) to form a first columnar body (11). The first wrapping material (2) is composed of two layers of materials, with a base weight of 55 g / m² and an opacity of 100%. It also includes a paper layer with a 9 μm thick, textureless metal layer, a transverse / longitudinal breaking elongation ratio of 1.2 as measured by GB / T22898-2008 standard, a paper layer density of 1800 kg / m³, and a thickness of 75 μm. The aerosol generating component has a length of 34 mm and a density of 0.59 g / cm³. 3 According to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness, the aerosol generating substrate was pressed into the aerosol generating component under a fixed pressure along the diameter direction for a certain period of time, achieving a hardness of 82%. The tensile strength of the aerosol generating component obtained after pressing in the aerosol generating substrate was 50 N in the transverse direction (intersecting the axial direction) of the tobacco section when the test portion was 18 mm.

[0118] The temperature control component downstream of the aerosol generating substrate includes a hollow tubular paper base material (3), which has a base weight of 240 g / m², a hardness of 93%, and 40 perforations at a distance of 18–22 mm from the suction end. The perforations overlap to some extent. In the region 18–22 mm from the suction end, the ratio of the length of the perforations along the circumferential direction to the circumference of the cigarette is 19%, the ratio of the perforation width to the total length is 2.5%, the ratio of the total perforation area to the area of ​​the region is 0.5%, the ventilation rate of the control material is 20%, the length is up to 30 mm, and the ventilation resistance of this section is 1 mmH2O / seg.

[0119] The downstream filter element of the temperature control component includes a filter fiber bundle (4) with a hardness greater than 90%, a monofilament fineness of 15 and a total fineness of 30,000, made of acetate fiber bundles, 10 mm in length, passing through the filter element under a pressure difference of 35 mmH2O. The fiber material comprises per mm... 2 The total denier of the cross-sectional area is 550 g / 9000 m, and the plasticizer is glyceryl triacetate at a weight of 25%.

[0120] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0121] The metal layer of the aerosol generating component is aluminum.

[0122] Preferably, the aerosolizable filament is a mixture of reconstituted tobacco leaves produced by roller pressing and natural leaf atomizing material, with the natural leaf atomizing material comprising 90% of the total. The natural leaf atomizing material includes flue-cured tobacco and burley tobacco leaves as raw materials and a first atomizing agent. The mass ratio of flue-cured tobacco to burley tobacco leaves is 9:1. The mass of the first atomizing agent is 7.5% of the total mass of the flue-cured and burley tobacco leaves. The first atomizing agent is composed of propylene glycol and glycerol, with a mass ratio of propylene glycol to glycerol of 2:1. The natural leaf atomizing material has a width of 0.8 mm and a thickness of 0.2 mm.

[0123] Preferably, the width of the rolled tobacco leaves is 0.8 mm, the thickness is 0.18 mm, and the liquid content reaches 7.5%.

[0124] Preferably, the roller pressing method, slurry method, and dry reconstituted tobacco leaf method involve mixing and grinding flue-cured tobacco and burley tobacco leaf raw materials in a mass ratio of 9:1 into mixed tobacco powder with a particle size of 200 mesh or higher, and then combining it with a binder, an aerosol forming agent, and water to form a slurry. The slurry contains: (1) approximately 72% of the total weight of the slurry mixed tobacco powder; (2) 28% of the total weight of the slurry aerosol forming agent; and (3) 5% of binder CMC and 5% of added fiber coniferous wood high-yield pulp.

[0125] Preferably, the aerosol forming agent is selected from glycerol and propylene glycol, and the mass ratio of propylene glycol to glycerol is 1:1;

[0126] Preferably, the hollow tubular paper base material (3) and cellulose acetate bundle (4) are wrapped by a second wrapping material (6) to form a second columnar body. The wrapping material is a high-permeability paper base material with an air permeability of ≥10000CU.

[0127] Preferably, the first columnar body and the second columnar body are wrapped by a third wrapping material (7) to form a cigarette D.

[0128] Preferably, the third packaging material has pores with a permeability of ≥600CU, a base weight of 45 g / m², and is coated with fruit-scented fragrances. The coating coverage is ≤0.01% of the total weight of the aerosol-generated product, thereby enhancing the sensory experience.

[0129] Example 5

[0130] A high-smoke-concentration aerosol-generating product includes an aerosol-generating component. The aerosol-generating component comprises an aerosol-generating substrate (1) containing two aerosolizable filaments, which are wrapped by a first wrapping material (2) to form a first columnar body (11). The first wrapping material (2) is a two-layer composite material with a base weight of 55 g / m² and 100% opacity. It also includes a paper layer with a 9 μm thick, textureless metal layer and a transverse / longitudinal elongation at break ratio of 1.2 as measured by GB / T22898-2008 standard, with a paper layer density of 1800 kg / m³. 3 The density is 75 micrometers, and the thickness is 75 micrometers; the length of the aerosol generating component is 34 mm, and the density is 0.59 g / cm³. 3 According to GB / T 22838.6 Determination of Physical Properties of Cigarettes and Filter Rods Part 6: Hardness, the aerosol generating substrate was pressed into the aerosol generating component under a fixed pressure along the diameter direction for a certain period of time, achieving a hardness of 82%. The tensile strength of the wrapping material of the aerosol generating component after pressing into the aerosol generating substrate was 50 N in the transverse direction (intersecting the axial direction) at a test section of 18 mm in the tobacco portion.

[0131] The temperature control component downstream of the aerosol generation substrate includes a hollow tubular paper base material (3), which has a base weight of 240 g / m², a hardness of 93%, 100 perforations at a distance of 18–22 mm from the suction end, with some overlap between the perforations, and in the region at a distance of 18–22 mm from the suction end, the ratio of the length of the perforation along the circumferential direction to the circumference of the cigarette is 45%, the ratio of the perforation width to the total length is 2%, the ratio of the total perforation area to the area of ​​the region is 2%, the ventilation rate of the control material is 55%, the length is up to 30 mm, and the ventilation resistance of this section is 1 mmH2O / seg.

[0132] Downstream of the temperature control component is a filter element comprising a filter fiber bundle (4) with a hardness greater than 90%, a monofilament fineness of 15 and a total fineness of 30,000, made of acetate fiber bundles, 10 mm in length, passing through the filter element under a pressure difference of 35 mmH2O. The fiber material comprises per mm... 2 The total denier of the cross-sectional area is 550 g / 9000 m, and the plasticizer is glyceryl triacetate at a weight of 25%.

[0133] The temperature control component is located between the aerosol generating component and the filtering component, and the other end of the filtering component can be heated and then drawn in.

[0134] The metal layer of the aerosol-generating substrate is an iron-aluminum alloy.

[0135] Preferably, the aerosolizable filament is a mixture of reconstituted tobacco leaves produced by roller pressing and natural leaf atomizing material, with the natural leaf atomizing material comprising 20% ​​of the total. The natural leaf atomizing material includes flue-cured tobacco and burley tobacco leaves as raw materials and a first atomizing agent. The mass ratio of flue-cured tobacco to burley tobacco leaves is 7:3. The mass of the first atomizing agent is 7.5% of the total mass of the flue-cured and burley tobacco leaves. The first atomizing agent is composed of propylene glycol and glycerol, with a mass ratio of propylene glycol to glycerol of 2:1. The natural leaf atomizing material has a width of 0.8 mm and a thickness of 0.1 mm.

[0136] Preferably, the width of the rolled tobacco leaves is 0.8 mm, the thickness is 0.18 mm, and the liquid content reaches 7.5%.

[0137] Preferably, the roller-pressed reconstituted tobacco leaf is prepared by mixing and grinding flue-cured tobacco and burley tobacco leaf raw materials in a mass ratio of 9:1 into mixed tobacco powder with a particle size of 200 mesh or more, and then combining it with a binder, an aerosol forming agent and water to form a slurry, wherein the slurry comprises: (1) mixed tobacco powder accounting for about 72% of the total weight of the slurry; (2) aerosol forming agent accounting for 28% of the total weight of the slurry; and (3) 5% binder CMC and 5% added high-yield fiber coniferous wood pulp.

[0138] Preferably, the aerosol forming agent is selected from glycerol and propylene glycol, and the mass ratio of propylene glycol to glycerol is 1:1;

[0139] Preferably, the hollow tubular paper base material (3) and cellulose acetate bundle (4) are wrapped by a second wrapping material (6) to form a second columnar body. The wrapping material is a high-permeability paper base material with an air permeability of ≥10000CU.

[0140] Preferably, the first columnar body and the second columnar body are wrapped by a third wrapping material (7) to form a cigarette E.

[0141] Preferably, the third packaging material has pores with a permeability of ≥600CU, a base weight of 45 g / m², and is coated with fruit-scented fragrances. The coating coverage is ≤0.01% of the total weight of the aerosol-generated product, thereby enhancing the sensory experience.

[0142] The smoke concentration of the cigarettes obtained in Examples 1-5 was measured, and the smoke concentration variation is shown in Figure 4. As shown in Figure 4, cigarette A in Example 1, with its single reconstituted tobacco formula, had low smoke concentration in the first two puffs; cigarette B in Example 2, using natural leaf atomizing material, improved the smoke concentration in the first two puffs, but the concentration remained low thereafter; cigarette C in Example 3, with only glycerol as the atomizing agent, had low smoke concentration in the first two puffs; in Example 4, insufficient perforation resulted in low smoke concentration in the first two puffs; and the cigarette in Example 5 achieved a smoke concentration of over 60% in the first two puffs, with a rich and full smoke concentration from the third puff onwards, effectively moisturizing the tobacco, improving its structure, and reducing tobacco breakage during production.

[0143] The cigarettes obtained in Examples 1-5 were evaluated by experts. The smoke concentration of the first few puffs was basically consistent with the test results. See Table 1 for details.

[0144] Table 1 Sensory Evaluation Table

[0145] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A high-smoke-concentration aerosol-generating product, characterized in that, It includes an aerosol generating component, a temperature control component, and a filtration component arranged sequentially. The aerosol generating component includes an aerosol generating substrate and a first wrapping material wrapped around the aerosol generating substrate; The aerosol generating substrate includes natural leaf atomizing material and reconstituted tobacco leaves; the natural leaf atomizing material includes tobacco leaves and a first atomizing agent; The first packaging material is a multi-layered composite structure; The multilayer composite structure includes a metal layer and a paper layer; The temperature control component comprises a hollow tubular paper-based material; The filter element includes a bundle of filter fibers.

2. The aerosol-generating product according to claim 1, characterized in that, The mass of the natural leaf filament atomizing material is 10% to 90% of the mass of the aerosol generating substrate; The mass of the first atomizing agent is 5% to 50% of the mass of the tobacco shreds; The first atomizing agent is selected from one or more of ethylene glycol, propylene glycol and glycerol.

3. The aerosol-generating product according to claim 1, characterized in that, The reconstituted tobacco leaf comprises a powder containing alkaloids, a second atomizing agent, a binder, and added fibers; the powder containing alkaloids constitutes 70%–80% of the mass of the reconstituted tobacco leaf; the second atomizing agent constitutes 25%–35% of the mass of the reconstituted tobacco leaf; the second atomizing agent is selected from propylene glycol and / or glycerol; the binder constitutes 3%–5% of the mass of the reconstituted tobacco leaf; and the added fibers constitute 3%–10% of the mass of the reconstituted tobacco leaf.

4. The aerosol-generating product according to claim 1, characterized in that, The width of the natural tobacco leaf atomizing material is 0.8–1.2 mm, and the thickness is 0.05–0.2 mm; the width of the reconstituted tobacco leaf is 0.5–0.8 mm, and the thickness is 0.15–0.18 mm; the liquid content of the reconstituted tobacco leaf is 6%–10%.

5. The aerosol-generating product according to claim 1, characterized in that, The first packaging material has a weight of 50-70 grams per square meter; The thickness of the metal layer is 4–9 μm; The ratio of transverse elongation at break to longitudinal elongation at break of the first wrapping material was measured using the GB / T22898-2008 standard and was between 1 and 1.

5. The density of the paper layer of the first wrapping material is 1500-2000 kg / m³. 3 ; The thickness of the paper layer of the first packaging material is less than 78 μm.

6. The aerosol-generating product according to claim 1, characterized in that, The aerosol generating component was tested for hardness of 70% to 80% according to GB / T 22838.6 Determination of physical properties of cigarettes and filter rods - Part 6: Hardness; The aerosol generating component is located 18 mm away from the end of the temperature control component. The tensile strength at the axial intersection of the aerosol generating substrate and the first wrapping material is 40-50 N.

7. The aerosol-generating product according to claim 1, characterized in that, The length of the aerosol generating component is 30-40 mm; The length of the temperature control component is 20–40 mm; The length of the filter element is 5-15 mm.

8. The aerosol-generating product according to claim 1, characterized in that, The basis weight of the hollow tubular paper-based material is 240–320 g / m²; The sidewall of the hollow tubular paper-based material is provided with multiple perforations; The perforation is located in the hollow tubular paper-based material within a range of 18-22 mm from the suction end; And / or, the number of perforations is 80 to 120; And / or, the length of the perforation along the circumferential direction of the hollow tubular paper-based material is 40% to 60% of the circumferential length of the hollow tubular paper-based material; And / or, the ratio of the width of the perforation to the length of the perforation along the circumferential direction of the hollow tubular paper-based material is less than 5%; And / or, the ratio of the total area of ​​the perforations to the area of ​​the perforated region in the hollow tubular paper-based material is 1% to 5%; And / or, the ventilation rate of the hollow tubular paper-based material is 40% to 80%; And / or, the air resistance of the hollow tubular paper-based material is less than 8 mmH2O / seg.

9. The aerosol-generating product according to claim 1, characterized in that, The filter element was tested according to GB / T22838.6 Determination of physical properties of cigarettes and filter rods Part 6: Hardness, and its hardness was greater than 80%. And / or, the filter fiber bundle has a monofilament fineness greater than or equal to 12; And / or, the filter fiber bundle has a total fineness of 25,000 to 45,000; And / or, the pressure difference through the filter element is greater than 32 mmH2O; And / or, the filter fiber bundle comprises per mm 2 The total number of deniers with a cross-sectional area of ​​500 g / 9000 m² or more; And / or, the filter fiber bundle includes more than 15 wt% plasticizer.

10. The aerosol-generating product according to claim 1, characterized in that, It also includes a second wrapping material; the second wrapping material wraps the hollow tubular paper-based material and the filter fiber bundle to form a temperature control component and a filter component connected together; It also includes a third wrapping material; the third wrapping material wraps the aerosol generating component, the temperature control component and the filter component to form an aerosol generating product; The third wrapping material has holes; The amount of the third packaging material is 40-60 grams per square meter; The third packaging material is coated with fragrance.

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