Aerosol-generating articles and packages and methods of making same

Abstract

The invention relates to the technical field of aerosol products, in particular to an aerosol generating product, a packaging piece and a preparation method of the aerosol generating product, the aerosol generating product is used for being matched with a heat-not-burn device to generate aerosol, and the preparation method comprises the steps that a base material for manufacturing the packaging piece is provided; preparing essence emulsion, namely mixing and stirring an adhesive, an auxiliary agent, essence and a solvent to homogenize and emulsify; defoaming the essence emulsion to form an essence solution; and the essence solution is subjected to film covering forming on the base material through a tape casting method, and the packaging piece is prepared. Due to the fact that the essence film of the packaging piece is formed through the tape casting method, the formed packaging piece capable of releasing essence can be directly and integrally formed, the production efficiency can be improved, batch production is facilitated, and the production cost is reduced. The essence film on the packaging piece is firmly adhered and is not easy to fall off, and when the solid cast film is not heated, the liquid is not easy to seep and leak, so that the problem of fragrance attenuation can be relieved, and the shelf life of a product is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of aerosol products, and more specifically, to an aerosol generating product, a package thereof, and a preparation method therefor. Background Art

[0002] With the continuous improvement of people's economic level, flavored aerosol generating products are increasingly popular among users. In related technologies, flavored beads containing flavors are disposed in the filter section. However, the flavored beads have problems such as being difficult to squeeze and break, and the flavor concentration being too high at the moment of breaking, resulting in an overly strong aerosol flavor. In addition, due to rapid volatilization, the aroma decays too quickly, and the characteristic aroma can only be maintained for 3 - 5 puffs, which is not persistent enough. Summary of the Invention

[0003] The present application provides an aerosol generating product, a package thereof, and a preparation method therefor. The aerosol generated by the aerosol generating product has a persistent and uniform aroma, and the preparation method is simple, which can improve production efficiency and reduce production costs.

[0004] The present application provides a preparation method for a package of an aerosol generating product, where the aerosol generating product is used in cooperation with a heat - not - burn device to generate an aerosol. The steps include:

[0005] Providing a substrate for making the package;

[0006] Preparing an essence emulsion by mixing an adhesive, an auxiliary agent, an essence, and a solvent and stirring for homogeneous emulsification;

[0007] Performing defoaming treatment on the essence emulsion to form an essence solution;

[0008] Coating and forming the essence solution on the substrate by a casting method to obtain the package.

[0009] In some optional embodiments, the step further includes: after coating and forming the essence solution on the substrate by a casting method, performing a drying treatment to control the moisture content of the prepared package within a preset range.

[0010] In some optional embodiments, the preset range of the moisture content is less than or equal to 10%.

[0011] In some optional embodiments, the adhesive includes at least one of pectin, gelatin, guar gum, xanthan gum, trisodium phosphate, and polyvinylpyrrolidone.

[0012] In some optional embodiments, the auxiliary agent includes at least one of a water - soluble film - forming polymer, a plasticizer, a filler, a pigment, and a flavoring agent; and / or, the essence includes synthetic monomer raw materials, natural monomer raw materials, and a solvent.

[0013] In some optional embodiments, the mass percentage of the flavor in the flavor emulsion is less than or equal to 10%.

[0014] In some optional embodiments, when the adhesive, the auxiliary agent, the flavor and the solvent are mixed and stirred for homogenization and emulsification, the stirring temperature is 40° C.-60° C. and the stirring speed is 1000 r / min-10000 r / min.

[0015] In some optional embodiments, forming a film on the substrate by casting the essence solution includes:

[0016] Evenly dropping the fragrance solution on the surface of the substrate;

[0017] The dripped essence solution is evenly spread on the surface of the substrate by a spreading method;

[0018] The essence solution coated on the surface of the substrate is cooled by cold air to form a film and fix the film.

[0019] The present application also provides a packaging for an aerosol generating product, characterized in that it is prepared by the method as described above.

[0020] The present application also provides an aerosol generating product, comprising a filter segment, an airflow segment and a matrix segment continuously arranged along its axial direction, wherein the matrix segment is used to generate aerosol by baking and heating, and the aerosol generated by the matrix segment is discharged through the airflow segment and the filter segment in sequence, and at least one of the filter segment, the airflow segment and the matrix segment comprises a package prepared by the preparation method as described above or a package as described above.

[0021] According to the preparation method of a packaging for an aerosol-generating product in this embodiment, a fragrance film is formed directly on a substrate by a casting method to prepare the packaging. The fragrance on the packaging can be slowly released, so that the fragrance of the aerosol is long-lasting and uniform, and the situation of too strong or too weak fragrance before and after inhalation is effectively avoided. Compared with the method of providing a separate fragrance film sheet and then using a packaging piece to wrap the fragrance film sheet with other parts of the aerosol-generating product, this embodiment does not need to repeatedly cut the substrate layer and the fragrance film sheet, and can directly form a shaped packaging piece that can release fragrance, so that it is convenient to directly select the packaging to prepare the aerosol-generating product, which can improve production efficiency, facilitate batch production, and reduce production costs. At the same time, the fragrance film on the packaging in this embodiment is firmly attached and not easy to fall off, and the solid cast film is not easy to seep or leak when it is not heated, so that the problem of fragrance attenuation caused by seepage and leakage can be effectively alleviated to extend the shelf life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1A structural cross-sectional view of an aerosol-generating article in one embodiment;

[0023] Figure 2 A structural cross-sectional view of an aerosol-generating article in another embodiment;

[0024] Figure 3 A schematic plan view of a package in one embodiment;

[0025] Figure 4 A structural schematic view of the package in the use state in one embodiment;

[0026] Figure 5 A structural schematic view of the package in the use state in another embodiment;

[0027] Figure 6 A flowchart of the preparation process of the package in one embodiment;

[0028] Figure 7 A flowchart of the preparation process of the package in another embodiment.

[0029] Wherein: 100, aerosol-generating article; 110, filter section; 120, airflow section; 130, matrix section; 140, package; 141, first package; 142, second package; 143, third package; 144, base material; 145, flavor film. Detailed Description of the Invention

[0030] The present application will be further described in detail below in conjunction with the accompanying drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many details are described to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification to avoid the core part of the present application being overwhelmed by excessive description. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0031] In addition, the features, operations, or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in an obvious manner by those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment, and do not mean to be the necessary composition and / or sequence.

[0032] The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. And the "connection" and "coupling" mentioned in this application, unless otherwise specified, both include direct and indirect connection (coupling).

[0033] This application provides an aerosol-generating article 100 that can cooperate with appliances such as a heat-not-burn device to generate an aerosol for user use.

[0034] It should be noted that the aerosol mentioned in the terms refers to a dispersion of solid particles or liquid particles in a gas. The "aerosol" used in this article is usually used to refer to a substance that has been vaporized, atomized, in the form of a spray or jet, or otherwise converted from a solid or liquid form into an inhalable form containing suspended solid or liquid drug particles.

[0035] The heat-not-burn device includes a heating component and a power supply component. The power supply component can provide the electric power required by the heating component. The heating component generates heat after being powered on to heat the aerosol-generating article 100 placed in the heat-not-burn device.

[0036] The heating method adopted by the heating component is not limited. It can include resistive heating, and can also include electromagnetic heating or infrared heating. When selecting the above heating methods, based on the placement position of the heating component, it can also be divided into circumferential heating, bottom hot air flow heating, and central heating. Circumferential heating means that the heating component is arranged on the circumference of the aerosol-generating article 100, and the heat is transferred from the circumference of the aerosol-generating article 100 to the center, which has the advantage of making the surface of the aerosol-generating article 100 heated more evenly. Bottom hot air flow heating means that the heating component heats gases such as air to form a hot air flow, and then allows the hot air flow to flow upward from the bottom of the aerosol-generating article 100, and uses the heat of the hot air flow to heat the aerosol-generating article 100. The hot air flow exchanges heat with the aerosol-generating article 100 during the upward movement, so that the whole aerosol-generating article 100 is heated, promoting the volatilization and release of the components in the aerosol-generating article 100. Central heating is to directly insert the heating component into the central position of the aerosol-generating article 100, or set a heat source in the center of the aerosol-generating article 100, and the heat diffuses from the center of the aerosol-generating article 100 to the surroundings, so that the aerosol-generating article 100 is heated from the inside to the outside to realize the release of flavor substances and the like in the aerosol-generating article 100. Users can select heat-not-burn devices with different heating methods according to the type of the aerosol-generating article 100 and the user's usage requirements. This part is not the focus of this application and will not be elaborated here.

[0037] The shape of the aerosol - generating article 100 can be various. For example, the aerosol - generating article 100 can be cylindrical, which is convenient for users to carry and hold, and also helps to protect the aerosol - generating article 100. When it is subjected to external extrusion force, it can evenly disperse the pressure to each part, and is less likely to be deformed or damaged compared with other shapes.

[0038] Please refer to Figure 1 、 Figure 2 , the aerosol - generating article 100 includes a filter section 110, an air - flow section 120, and a substrate section 130 that are continuously arranged along its axis. The substrate section 130 is used for baking and heating to generate aerosol, and the aerosol generated by the substrate section 130 passes through the air - flow section 120 and the filter section 110 in sequence and is discharged. The filter section 110 can include only a single segment, but the structure of the filter section 110 is not limited thereto. In other words, the filter section 110 can include multiple segments. For example, the filter section 110 can include a segment for cooling the aerosol and a segment for filtering a predetermined component contained in the aerosol. In addition, the filter section 110 can also include at least one segment that performs other functions as needed.

[0039] The aerosol - generating article 100 can include at least one packaging member 140, and the packaging member 140 can have at least one hole for external air to flow in or internal gas to be discharged to the outside. For example, the aerosol - generating article 100 can be packaged with a single packaging member 140. Another example is that the aerosol - generating article 100 can also be packaged with more than two packaging members 140 in a stacked manner. For example, please continue to refer to Figure 2 , the substrate section 130 can be separately packaged with the first packaging member 141, the air - flow section 120 can be separately packaged with the second packaging member 142, and the filter section 110 can be separately packaged with the third packaging member 143. In addition, the aerosol - generating article 100 can be packaged again as a whole with a single packaging member 140, so that the substrate section 130, the air - flow section 120, and the filter section 110 are connected into an integral structure. Another example is that when the filter section 110 includes multiple segments, each segment in the filter section 110 can be separately guaranteed with a packaging member 140.

[0040] When the user sucks, external air enters the interior of the aerosol - generating article 100 to carry the aerosol into the user's mouth (or nose). The external air can enter from the substrate section 130 or the filter section 110 of the aerosol - generating article 100. When the external air enters from the substrate section 130, the first packaging member 141 includes at least one hole to allow the external air to flow into the interior of the aerosol - generating article 100. When the external air enters from the filter section 110, the second packaging member 142 includes at least one hole to allow the external air to flow into the interior of the aerosol - generating article 100.

[0041] The substrate section 130 of the aerosol - generating article 100 generally includes an aerosol - generating substance capable of generating an aerosol. For example, the aerosol - generating substance may include at least one of glycerol, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol. However, the embodiments are not limited thereto.

[0042] The aerosol - generating substance of the substrate section 130 can be made into various forms. For example, the aerosol - generating substance can be extruded into a rod shape. In addition, the aerosol - generating substance can also be first pressed into a sheet structure, and multiple sheet structures are combined into a rod shape.

[0043] The filter section 110 can be made of a fibrous material, and its shape is not limited. For example, the filter section 110 can be a cylindrical rod - shaped structure or a tubular rod with a hollow interior. Of course, if the filter rod includes multiple sections, at least one of the multiple sections can be manufactured in a different shape.

[0044] In some embodiments, one end of the substrate section 130 away from the airflow section 120 further has a plugging section for preventing the aerosol - generating substance inside the substrate section 130 from scattering. An air inlet channel can also be formed between the plugging section and the substrate section 130 for external air to flow into the interior of the aerosol - generating article 100.

[0045] To improve the taste of the aerosol and enhance the user's taste experience, the substrate section 130 can also include other additives such as flavoring agents, wetting agents, and / or organic acids. In addition, flavor enhancers such as menthol or humectants can be sprayed on the substrate section 130. Other exogenous additives such as nicotine and throat soothers can also be added according to requirements to achieve effects such as increasing physiological strength and softening the throat. Fragrances can also be mixed with the aerosol - generating substance so that the aerosol has a specific aroma.

[0046] In the related art, to improve the taste of the aerosol, a flavor - containing bursting bead is provided in the filter section 110. When the user sucks, by means of external force, the bursting bead is squeezed to release its fragrance, and the fragrance is mixed with the aerosol, so that the user can obtain an aerosol with a specific aroma. When the filter rod includes multiple sections, the bursting bead can be provided on at least one of the sections. For example, it can be provided on the section closest to the user. Using this method, there are problems such as rapid fragrance volatilization, short duration, and uneven fragrance concentration before and after suction. In addition, the fragrance is made into a fragrance film sheet, which is cut and formed and then pasted on the third packaging member 143 used for the filter section 110. The specific preparation process is to first prepare the fragrance into a film and form it, cut it according to the size and structure of the third packaging member 143 of the filter section 110, and then paste it on the third packaging member 143. This process is rather cumbersome, the production efficiency is low, and the pasting method is prone to accidents such as poor adhesion and falling off due to the smooth surface of the film sheet and insufficient adhesion, resulting in the failure of the function of the fragrance film sheet.

[0047] In order to solve the above technical problems, the present application improves the package 140, which includes at least one of the first package 141, the second package 142 and the third package 143 mentioned above. In other words, the first package 141 can be improved alone. The second package 142 can also be improved alone. In addition, the third package 143 can also be improved alone. Of course, the first package 141 and the second package 142 can also be improved. Users can choose to improve at least one of the above three packages 140 according to their needs, so that the fragrance of the aerosol is long-lasting and uniform, and effectively avoid the situation where the fragrance is too strong or too weak before and after inhalation.

[0048] Based on this, the present application provides a packaging member 140, see Figure 3 The package 140 includes a substrate 144 and a fragrance film 145 disposed on the substrate 144. The package 140 can be made into at least one of a first package 141, a second package 142, and a third package 143.

[0049] In some embodiments, see Figure 4 The above-mentioned packaging member 140 is selected to prepare the first packaging member 141 mentioned above. In other words, the packaging member 140 of the matrix segment 130 is the packaging member 140 including the substrate 144 and the fragrance film 145 prepared by the above-mentioned method. When the aerosol generating product 100 is placed in the heat-not-burn device, the matrix segment 130 is in contact with the heating component of the heat-not-burn device. Compared with the airflow segment 120 and the filter segment 110, the temperature of the matrix segment 130 can reach above 250°C. The fragrance film 145 of the matrix segment 130 melts at high temperature, so that the fragrance substances are brought out with the aerosol, thereby achieving the effect of modifying and supplementing the fragrance.

[0050] In other embodiments, see Figure 5 , the package 140 is selected to prepare the third package 143 mentioned above. Since the filter section 110 is far away from the heating component of the heat-not-burn device, its temperature is much lower than the temperature of the matrix section 130. The temperature of the filter section 110 is between 30°C and 50°C. At this time, the flavor film 145 is still solid, but due to the user's inhalation, the desorption and adsorption balance of the flavor molecules is broken, so that the flavor molecules are released and mixed with the aerosol and taken out, thereby improving the taste of the aerosol. Of course, the first package 141 and the third package 143 can also use the package 140 prepared by the above method.

[0051] When preparing the package 140, a casting film method is adopted to form a flavor film 145 on its surface. The thickness of the flavor film 145 is easy to control, and it adheres firmly and is not easy to fall off, so that the aerosol generating article 100 has a lasting and uniform aroma.

[0052] Please refer to Figure 6 , the present application provides a method for preparing a package 140 for an aerosol generating article 100, and its steps include:

[0053] S101: Provide a substrate 144 for making the package 140. The substrate 144 is the wrapping paper used for traditional aerosol generating articles 100. For example, it can be the forming paper used for the filter section 110. For another example, it can include tipping paper (commonly known as tipping paper) that rolls the filter section 110 and the substrate section 130 into an integrated structure. The substrate 144 provides a support basis, which can not only enable the flavor to form a film thereon to provide an aroma, but also support the filter matrix of the filter section 110 and the aerosol generating substance of the substrate section 130.

[0054] S102: Prepare a flavor emulsion by mixing and stirring an adhesive, an auxiliary agent, a flavor and a solvent for homogeneous emulsification.

[0055] The adhesive can reduce the surface tension of different phase interfaces, enable the oil phase and the water phase to mix better, and help form a stable emulsion structure. In addition, the adhesive can also make the flavor better adhere to the surface of the target object, increase the binding force between the flavor and the object surface, and thus extend the fragrance retention time of the flavor. There can be various choices for the adhesive, and it can be selected from at least one of natural adhesives, synthetic adhesives and semi-synthetic adhesives. Since the user realizes suction by contacting the aerosol generating article 100, the selected materials of the aerosol generating article 100 should be safe food-grade raw materials. Specifically, the adhesive can include at least one of pectin, gelatin, guar gum, xanthan gum, trisodium phosphate and polyvinylpyrrolidone. Exemplarily, the adhesive can be selected from pectin.

[0056] Auxiliaries are used to enhance different functions of the flavor film 145. To improve its film-forming performance, the auxiliaries may include water-soluble film-forming polymers. Exemplarily, the water-soluble film-forming polymer can be selected from polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP). To improve the plasticity of the flavor film 145 and enable the aerosol-generating article 100 to maintain its shape, a plasticizer can be added as an auxiliary when preparing the flavor emulsion. To improve the appearance of the aerosol-generating article 100, a pigment can be added as an auxiliary when preparing the flavor emulsion. To improve the taste of the aerosol, making it smooth and comfortable, a flavor corrective can also be added as an auxiliary. The flavor corrective can include sweeteners, fragrances, etc. In addition, the auxiliaries can also include fillers. When preparing the flavor emulsion, at least one of the above-mentioned various auxiliaries can be selected according to the user's needs. For example, a water-soluble film-forming polymer and a flavor corrective can be selected.

[0057] The flavor, as the main component of the flavor emulsion, can include synthetic monomer raw materials, natural monomer raw materials, and solvents. The synthetic monomer raw materials, natural monomer raw materials, and solvents are prepared according to a ratio. The synthetic monomer raw materials include raw materials such as aldehydes, esters, alcohols, etc., and the natural monomer raw materials include menthol, citronellol, etc. Exemplarily, menthol and vanillin among the aldehydes are selected to make the flavor have a cool taste and a certain sweetness. The solvents during flavor preparation can include water, ethanol, propylene glycol, etc., which can dissolve the above monomer raw materials and contribute to the preparation of the flavor emulsion.

[0058] In some embodiments, when preparing the flavor emulsion, the mass percentage of the flavor in the flavor emulsion is less than or equal to 10%. Exemplarily, the mass percentage of the flavor in the flavor emulsion is 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, or 10%, or any value between any two of the above values.

[0059] When preparing the flavor emulsion, its preparation temperature and stirring speed are crucial for the uniformity and film-forming property of the emulsion. Since the solution during the preparation of the flavor emulsion is a mixture of an aqueous phase and an oil phase, the temperature during the stirring process should be set at 40°C - 60°C, and the stirring speed should be 1000 r / min - 10000 r / min. Of course, in the preparation of some flavor emulsions, it can also be carried out at room temperature (20°C), and its stirring speed is preferably 8000 r / min - 9000 r / min.

[0060] S103: Defoam the flavor emulsion to form a flavor solution.

[0061] Some bubbles are generated during the preparation of the flavor emulsion, and the presence of these bubbles affects the subsequent film-forming of the flavor emulsion. Specifically, the flavor emulsion prepared in step S102 is placed in a defoamer storage tank for centrifugal defoaming treatment.

[0062] S104: The essence solution is formed into a film on the substrate 144 by the casting method to obtain the packaging member 140.

[0063] Forming the essence solution into a film on the substrate 144 by the casting method includes evenly dropping the essence solution on the surface of the substrate 144; evenly spreading the dropped essence solution on the surface of the substrate 144 by the spreading method; cooling the essence solution spread on the surface of the substrate 144 with cold air to form a film and shape it into the essence film 145.

[0064] Since the thickness of the essence film 145 also affects the aroma concentration and persistence it releases, when dropping the essence solution on the substrate 144, control the dropping speed of the essence solution so that the thickness of the essence film 145 is uniform and appropriate. Preferably, the thickness of the essence film 145 can be 50 μm - 100 μm, and more preferably, the thickness of the essence film 145 is 65 μm.

[0065] In some embodiments, when evenly spreading the essence solution by the spreading method, the spreading tool includes a doctor blade.

[0066] In some embodiments, the tool for cooling after spreading the essence solution includes a blowing pipe. It is erected above the substrate 144 coated with the essence solution, and the air volume of the blowing pipe is suitable for accelerating the film formation of the essence solution without blowing the essence solution to move and affect the film formation. If there are some volatile components in the essence that have an important impact on the film formation quality, or the film-forming material is relatively thin, light, and fragile, a low wind speed may be required, generally about 0.5 m / s - 1.5 m / s. For example, for an essence containing natural plant essential oils, a low wind speed can prevent the essential oils from volatilizing too quickly and causing aroma imbalance, and at the same time prevent the wind from damaging the substrate 144 or affecting the uniformity of film formation. For some cases where rapid film formation is required and the essence components are relatively stable, a higher wind speed can be used, such as 2 m / s - 5 m / s. A higher wind speed can accelerate the film formation speed and improve production efficiency. To avoid the influence of high temperature on the film formation effect, cold air at 5°C - 10°C is selected for the blowing pipe during cooling.

[0067] In some embodiments, please refer to Figure 7 , the preparation steps of the packaging member 140 further include S105: After spreading the essence solution and air-drying to form a film, perform a drying treatment to control the moisture content on the prepared packaging member 140 within a preset range, further improving the mechanical processing and curling performance of the packaging member 140, and also preventing the growth of microorganisms to a certain extent and extending the shelf life.

[0068] In some embodiments, the preset range of the moisture content is less than or equal to 10%. Specifically, the moisture content in the dried packaging member 140 is 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, or 10%, or any value between any two of the above values.

[0069] The package 140 prepared by the above method can not only slowly release the aroma, making the taste stable and the aroma persistent during the use of the aerosol. Since the fragrance film 145 is air-dried into a solid and arranged on the substrate 144, the package 140 also has a certain toughness and curl, which is convenient for winding the package 140 to package the aerosol generating substance or the filter material.

[0070] The above uses specific examples to elaborate on the present application, which is only used to help understand the present application and is not intended to limit the present application. For those skilled in the technical field to which the present application pertains, according to the idea of the present application, several simple deductions, deformations or substitutions can also be made.

Claims

1. A method for preparing a package for an aerosol-generating product, wherein the aerosol-generating product is used to generate an aerosol in conjunction with a heat-not-burn device, characterized in that: The steps include: Provide the base material for making the packaging; Prepare the flavor emulsion by mixing and stirring the binder, the auxiliary agent, the flavor and the solvent to homogenize and emulsify; Defoaming the essence emulsion to form an essence solution; The essence solution is formed into a film on the substrate by a casting method to obtain the packaging piece.

2. The method for preparing a package for an aerosol-generating product according to claim 1, characterized in that: The step also includes: after laminating the essence solution on the substrate by a casting method, performing a drying process so that the moisture content of the prepared package is controlled within a preset range.

3. The method for preparing a package for an aerosol-generating product according to claim 2, characterized in that: The preset range of the moisture content is less than or equal to 10%.

4. The method for preparing a package for an aerosol-generating product according to claim 1, characterized in that: The binder includes at least one of pectin, gelatin, guar gum, xanthan gum, trisodium phosphate and polyvinyl pyrrolidone.

5. The method for preparing a package for an aerosol-generating product according to claim 1, characterized in that: The auxiliary agent includes at least one of a water-soluble film-forming polymer, a plasticizer, a filler, a pigment and a flavoring agent; and / or the flavor includes a synthetic monomer raw material, a natural monomer raw material and a solvent.

6. The method for preparing a package for an aerosol-generating product according to claim 1, characterized in that: The mass percentage of the essence in the essence emulsion is less than or equal to 10%.

7. The method for preparing a package for an aerosol-generating product according to claim 1, characterized in that: When the adhesive, the auxiliary agent, the flavor and the solvent are mixed and stirred for homogenization and emulsification, the stirring temperature is 40°C-60°C and the stirring speed is 1000r / min-10000r / min.

8. A method for preparing a package for an aerosol-generating product according to any one of claims 1 to 7, characterized in that: The essence solution is formed into a film on the substrate by a casting method, comprising: Evenly dropping the fragrance solution on the surface of the substrate; The dripped essence solution is evenly spread on the surface of the substrate by a spreading method; The essence solution coated on the surface of the substrate is cooled by cold air to form a film and fix the film.

9. A package for an aerosol-generating product, characterized in that: The method is prepared according to any one of claims 1 to 8.

10. An aerosol generating product, characterized in that It includes a filter section, an airflow section and a matrix section which are continuously arranged along its axial direction, the matrix section is used for baking and heating to generate aerosol, the aerosol generated by the matrix section is discharged through the airflow section and the filter section in sequence, and at least one of the filter section, the airflow section and the matrix section includes a package prepared by the preparation method according to any one of claims 1 to 8 or a package according to claim 9.

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