CN117617597A - Aerosol-generating article, method of producing the same, and electronic atomizing device - Google Patents

Aerosol-generating article, method of producing the same, and electronic atomizing device Download PDF

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Publication number
CN117617597A
CN117617597A CN202210962760.5A CN202210962760A CN117617597A CN 117617597 A CN117617597 A CN 117617597A CN 202210962760 A CN202210962760 A CN 202210962760A CN 117617597 A CN117617597 A CN 117617597A
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CN
China
Prior art keywords
aerosol
generating article
plant
mass
dielectric material
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Pending
Application number
CN202210962760.5A
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Chinese (zh)
Inventor
徐伟
刘刚
倪军
李涛
汤建国
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Shenzhen Maishi Technology Co Ltd
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Shenzhen Maishi Technology Co Ltd
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Application filed by Shenzhen Maishi Technology Co Ltd filed Critical Shenzhen Maishi Technology Co Ltd
Priority to CN202210962760.5A priority Critical patent/CN117617597A/en
Priority to PCT/CN2023/107227 priority patent/WO2024032314A1/en
Publication of CN117617597A publication Critical patent/CN117617597A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/12—Steaming, curing, or flavouring tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/05—Devices without heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture

Abstract

The present invention relates to an aerosol-generating article, a method of preparing the same and an electronic atomizing device. The aerosol-generating article described above comprises: a dielectric material and an atomizing substrate; the dielectric material comprises at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide. The dielectric material is added into the aerosol-generating product, so that the dielectric constant change rate of the aerosol-generating product can be slowed down in the microwave heating process, the microwave heating stability can be promoted, and the consistency of the sensory quality is improved. In addition, the dielectric material can not influence the taste of the aerosol-generating product during the sucking process, and the sucking effect is good.

Description

Aerosol-generating article, method of producing the same, and electronic atomizing device
Technical Field
The invention relates to the technical field of electronic atomization, in particular to an aerosol generating product, a preparation method thereof and an electronic atomization device.
Background
At present, the mainstream heating technology in the market of heating non-combustion products is resistive heating and electromagnetic heating, and the heating mode mainly transfers heat from the outside to the inside according to heat conduction, convection and radiation, and a temperature gradient is inevitably present in the aerosol-generating product matrix, so that the heated matrix is not uniform, and the matrix is locally overheated. Therefore, the traditional heating mode has the problems of low heating efficiency, high energy consumption, poor heating uniformity and the like, so that the aerosol of the aerosol-generating product is insufficiently released, the consistency of the aerosol-generating product is poor, and the sucking experience of consumers is influenced.
Microwaves are used as electromagnetic waves, can be used for information transmission and heating, and have important applications in drying, extraction, sterilization and the like. For example, industrial products represented by microwave ovens are superior to other conventional heating methods in terms of heating efficiency, energy consumption and safety. The microwave is used for heating the aerosol-generating product, and has the advantages of high heating efficiency, low energy consumption, uniform heating and the like. However, when microwaves are used for heating aerosol-generating articles, there still remain problems of poor stability of microwave heating and poor mouthfeel of aerosol-generating articles when smoked.
Disclosure of Invention
Based on this, there is a need to provide an aerosol-generating article and a method for preparing the same, which can improve the stability of microwave heating and which has a good mouthfeel upon smoking.
Furthermore, there is a need to provide an electronic atomizing device comprising such an aerosol-generating article.
An aerosol-generating article comprising: a dielectric material and an atomizing substrate;
the dielectric material comprises at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide.
In one embodiment, the dielectric material comprises modified or unmodified barium titanate, titanium dioxide, diatomaceous earth, and calcium carbonate in a mass ratio of (10-25): (0-10): (1-25): (5-30).
In one embodiment, the atomizing substrate comprises plant material and auxiliary material;
the plant material comprises a dried product of at least one of a root, a stem, a leaf, a flower, and a fruit of a plant;
the auxiliary material includes an atomizing agent, a feature providing material, and an adhesive.
In one embodiment, the mass ratio of the plant material, the dielectric material and the auxiliary material is 100 (3-25): 10-60.
In one embodiment, the feature providing material comprises at least one of a plant extract and a fragrance modulator.
In one embodiment, the plant extract is an extract of at least one of the root, stem, leaf, flower and fruit of a plant; the mass of the plant extract is 8% -15% of the mass of the plant material.
In one embodiment, the fragrance modulator comprises at least one of beta-damascone, dihydrocoumarin, raspberry ketone, 2, 3-dimethylpyrazine, alpha-ionone, anisaldehyde, megastigmatrienone, and acetylpyrazine.
In one embodiment, the flavor modulator is 0.1% to 0.5% by mass of the plant material.
In one embodiment, the binder comprises at least one of sodium carboxymethyl cellulose, carrageenan, xanthan gum, guar gum, agar, gelatin, sodium alginate, locust bean gum, and konjac gum.
In one embodiment, the mass of the binder is 8% to 15% of the mass of the plant material.
In one embodiment, the shape of the aerosol-generating article comprises a bar, pellet, block or filament shape.
A method of preparing an aerosol-generating article comprising the steps of:
mixing and molding a dielectric material and an atomized matrix to prepare an aerosol-generating article;
wherein the dielectric material comprises at least one of modified or unmodified barium titanate, diatomite, calcium carbonate and titanium dioxide.
An electronic atomizing device comprising a microwave generator for heating an aerosol-generating article as described above and the aerosol-generating article.
The aerosol-generating product comprises a dielectric material and an atomization matrix, wherein the dielectric material comprises at least one of modified or unmodified barium titanate, diatomite, calcium carbonate and titanium dioxide, and the addition of the dielectric material can not only improve the microwave heating effect, but also slow down the dielectric constant change rate of the aerosol-generating product in the microwave heating process, promote the microwave heating stability and improve the consistency of sensory quality during suction. In addition, compared with other materials, the addition of the dielectric material does not affect the taste of the aerosol-generating product during the sucking process, and the sucking effect is better.
Drawings
Fig. 1 is a graph of the microwave heating effect of the aerosol-generating article of example 1;
fig. 2 is a graph of the microwave heating effect of the aerosol-generating article of example 2;
FIG. 3 is a graph of the microwave heating effect of the aerosol-generating article of example 3;
fig. 4 is a graph showing the effect of microwave heating on the aerosol-generating article of comparative example 1.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to specific embodiments that are now described. Preferred embodiments of the invention are given in the detailed description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Aiming at the problems of the traditional microwave heating aerosol-generating product, the invention provides the aerosol-generating product which can improve the microwave heating stability and has better sucking taste.
Specifically, an aerosol-generating article of an embodiment comprises: a dielectric material and an atomizing substrate;
the dielectric material comprises at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide.
The dielectric material comprises at least one of modified or unmodified barium carbonate, diatomite, calcium carbonate and titanium dioxide, and the addition of the dielectric material can not only improve the microwave heating effect, but also slow down the dielectric constant change rate of aerosol generating products in the microwave heating process, promote the microwave heating stability and improve the consistency of sensory quality during suction. In addition, compared with other materials, the addition of the dielectric material does not affect the taste of the aerosol-generating product during the sucking process, and the sucking effect is better.
In some embodiments, the dielectric material comprises modified or unmodified barium titanate. The addition of modified or unmodified barium titanate can further improve the stability of microwave heating.
In some embodiments, the dielectric material includes modified or unmodified barium titanate, titanium dioxide, diatomaceous earth, and calcium carbonate in a mass ratio of (10-25): (0-10): (1-25): (5-30).
The dielectric constant of the aerosol-generating article can be tailored by adjusting the proportions of the components in the dielectric material so as to provide a more beneficial coupling behavior with microwave heating. Further, the dielectric material comprises modified or unmodified barium titanate, titanium dioxide, diatomite and calcium carbonate with the mass ratio of (12-20): 1-8): 3-15): 6-20. The dielectric constant of the dielectric material is more than or equal to 2.
In a specific example, the dielectric material includes barium titanate, diatomaceous earth, and calcium carbonate in a mass ratio of 1:1:1. In another specific example, the dielectric material includes barium titanate, titanium dioxide, diatomaceous earth, and calcium carbonate in a mass ratio of 2:1:1:1. In yet another specific example, the dielectric material includes barium titanate, titanium dioxide, diatomaceous earth, and calcium carbonate in a mass ratio of 3:1:1:1.
In some embodiments, the atomizing substrate comprises plant material and auxiliary material.
Specifically, the plant material comprises a dried product of one or more of the root, stem, leaf, flower and fruit of the plant. In some embodiments, the plant material comprises a dried product of one or more of the root, stem, leaf, flower, and fruit of tobacco.
In some embodiments, the plant material is subjected to at least one of a baking, sun-drying, cooling, and parching process.
In some embodiments, the plant material is in powder form. For example, the mesh number of the plant material is 200 mesh to 300 mesh.
In some embodiments, the mass ratio of plant material, dielectric material, and auxiliary material is 100 (3-25): 10-60.
In one embodiment, the mass ratio of plant material to dielectric material is 100: (3-25). In one specific example, the mass ratio of plant material to dielectric material is 100:3, 100:5, 100:8, 100:10, 100:12, 100:15, 100:18, 100:20, 100:22, 100:25, or a range of any two of these values. Further, the mass ratio of the plant material to the dielectric material is 100: (7-20).
In one embodiment, the mass ratio of plant material to auxiliary material is 100 (10-60). In one specific example, the mass ratio of plant material to auxiliary material is 100:10, 100:12, 100:15, 100:18, 100:20, 100:25, 100:28, 100:30, 100:32, 100:35, 100:38, 100:40, 100:41, 100:43, 100:45, 100:47, 100:48, 100:50, 100:52, 100:55, 100:56, 100:58, 100:59, 100:60, or a range of any two of these values. Further, the mass ratio of the plant material to the auxiliary material is 100: (20-50).
In some embodiments, the auxiliary material includes an atomizing agent, a feature providing material, and an adhesive.
The binder is mainly used for binding plant materials, dielectric materials and auxiliary materials in order to form aerosol-generating articles in the shape of strips, granules, blocks, filaments, etc.
In some embodiments, the binder comprises at least one of sodium carboxymethyl cellulose, carrageenan, xanthan gum, guar gum, agar, gelatin, sodium alginate, locust bean gum, and konjac gum.
In some embodiments, the binder includes sodium carboxymethyl cellulose and guar gum. In one embodiment, the binder comprises sodium carboxymethylcellulose and guar gum in a mass ratio of (1-2): 1. For example, in the binder, the mass ratio of sodium carboxymethyl cellulose to guar gum is 1:1, 1:1.2, 1:1.5, 1:1.8, 1:2, or a range consisting of any two of these values.
In some embodiments, the mass of the binder is 8% to 15% of the mass of the plant material. In a specific example, the mass of the binder is 8%, 8.5%, 9%, 9.5%, 10%, 11%, 12%, 13%, 14%, 15% or a range consisting of any two of these values of the mass of the plant material.
In some embodiments, the feature providing material comprises at least one of a plant extract and a fragrance modulator. The characteristic providing material is capable of providing the flavor and notes possessed by the aerosol-generating article. In one embodiment, the aerosol-generating article has a fruity type, a fragrant type, or the like.
In some embodiments, the plant extract is an extract of at least one of a root, a stem, a leaf, a flower, and a fruit of a plant. In one embodiment, the extractant may be a mixture of water and ethanol.
In one embodiment, the plant extract has a solids content of 60% to 75%.
In a specific example, the plant extract is an extract of at least one of the root, stem, leaf, flower and fruit of tobacco.
In some embodiments, the mass of the plant extract is 8% to 15% of the mass of the plant material. In a specific example, the mass of the plant extract is 8%, 8.5%, 9%, 9.5%, 10%, 11%, 12%, 13%, 14%, 15% or a range consisting of any two of these values of the mass of the plant material.
In some embodiments, the fragrance modulator comprises at least one of beta-damascone, dihydrocoumarin, raspberry ketone, 2, 3-dimethylpyrazine, alpha-ionone, anisaldehyde, megastigmatrienone, and acetylpyrazine. It will be appreciated that the flavour modulator is not limited thereto and may be adapted to the flavour type and note actually required of the aerosol-generating article.
In some embodiments, the mass of the flavor modulator is 0.1% to 0.5% of the mass of the plant material. In a specific example, the mass of the scent modifier is 0.1%, 0.12%, 0.15%, 0.18%, 0.2%, 0.3%, 0.4%, 0.5% or a range consisting of any two of these values of the mass of the plant material.
In some embodiments, the atomizing agent is selected from at least one of a monohydric alcohol and a polyhydric alcohol. The atomizing agent is capable of atomizing to produce an aerosol. For example, in one embodiment, the atomizing agent includes at least one of ethanol, propylene glycol, and glycerol. In a specific example, the atomizing agent includes propylene glycol and glycerol in a mass ratio of 1 (4-5).
In some embodiments, the shape of the aerosol-generating article is not particularly limited and may be any form that is capable of being secured to the aerosol-generating article carrying platform. In one of the embodiments, the aerosol-generating article may be in the form of a stick, pellet, block, filament, or the like.
In a specific example, the aerosol-generating article is in the shape of a granulate. For example, the aerosol-generating article is a 10-15 mesh particle, a 15-20 mesh particle, a 20-25 mesh particle, or the like.
The microwaves with specific microwave frequency can generate a thermal effect through the heated body, and the thermal effect is mainly caused by the fact that polar molecules in the heated body are coupled with the microwaves to generate displacement polarization and ion polarization so as to generate microwave dissipation, and the microwave energy is converted into heat energy, so that the temperature of the heated body is increased. The quantitative factors are that any heated body has dielectric constant and dielectric loss, and the high dielectric material can absorb microwaves better and dissipate the microwaves to a certain extent to realize heating. In the embodiment, the dielectric material with the dielectric constant which does not change along with the temperature is added into the aerosol-generating product, so that the change rate of the dielectric constant of the aerosol-generating product is slowed down in the microwave heating process, the microwave heating stability can be promoted, and the consistency of the sensory quality is improved. Furthermore, the addition of the above-described dielectric materials does not affect the suction mouthfeel of the aerosol-generating article compared to other dielectric materials.
In addition, any one of the components of the dielectric material has dielectric characteristics, and the dielectric constant of the aerosol-generating product can be regulated and controlled by adjusting the proportion of each component, so that the dielectric material has more beneficial coupling performance with microwave heating, and has good performance in heating effect and sensory quality.
The invention also provides a method of preparing an aerosol-generating article according to an embodiment, comprising the steps of:
the dielectric material and the atomized matrix are mixed and formed to prepare the aerosol-generating article.
Wherein the dielectric material comprises at least one of modified or unmodified barium titanate, diatomite, calcium carbonate and titanium dioxide.
Specific dielectric materials and atomizing substrates are as described above and will not be described in detail.
The invention also provides an electronic atomization device of an embodiment, which comprises: a microwave generator for heating the aerosol-generating article.
In particular, the aerosol-generating article is as previously described and will not be described in detail.
In order to make the objects and advantages of the present invention more apparent, the aerosol-generating article of the present invention and its effects will be described in further detail below with reference to the specific examples, it being understood that the examples described herein are for purposes of illustration only and are not intended to be limiting. The following examples are not specifically described but do not include other components than the unavoidable impurities. The drugs and apparatus used in the examples are all routine choices in the art, unless specifically indicated. The experimental methods without specific conditions noted in the examples were carried out according to conventional conditions, such as those described in the literature, books, or recommended by the manufacturer.
Example 1
The present example provides an aerosol-generating article that is a 10 mesh to 15 mesh particulate substrate having a moisture content of 4% ± 1% (mass percent).
The aerosol-generating article of this embodiment is composed of a dielectric material, an auxiliary material and a plant material in a mass ratio of 10:36.2:100.
The dielectric material consists of diatomite, calcium carbonate and barium titanate in the mass ratio of 1:1:1, wherein the mass of the dielectric material is 10% of that of the plant material.
The plant materials in the aerosol-generating product are the dried tobacco stems, leaves and flowers combined by three preparation processes of baking, sun drying and cooling, the moisture is 8% (mass percent), the mesh number is 200 meshes, the mass ratio of the stems, the leaves and the flowers is 1:3:1, and the plant materials form the main components of the aerosol-generating product.
The auxiliary material in the aerosol-generating article consists of an atomizing agent, a binder and a feature providing material. The atomizing agent consists of 1, 2-propanediol and glycerol in a mass ratio of 1:4. The mass of the atomizing agent was 18% of the mass of the plant material.
The adhesive in the auxiliary material is prepared from sodium carboxymethyl cellulose and guar gum in a mass ratio of 1:1 into a 3% gum solution, the solvent is water, and the mass of the adhesive is 9% of the mass of the plant material.
The feature providing material in the auxiliary material is composed of a plant extract and a fragrance modulator. The plant extract is the extract of tobacco roots, stems, leaves and flowers combined by three preparation processes of baking, sun drying and cooling, the extraction solvent is a mixed solvent of water and ethanol, the extraction method is leaching, and the solid content of the plant extract is 60-75%. The mass of the plant extract was 9% of the mass of the plant material. The characteristic provides that the flavor regulator in the material is prepared from 4 materials of 2, 3-dimethyl pyrazine, alpha-ionone of flower fragrance, dihydrocoumarin of bean fragrance and raspberry ketone of fruit fragrance according to the main charm of the baking fragrance, and the mass ratio of the 2, 3-dimethyl pyrazine, the alpha-ionone, the dihydrocoumarin and the raspberry ketone is 5:1:0.5:1.2. the mass of the flavour modulator is 0.2% of the mass of the plant material.
The method of preparing the aerosol-generating article of this embodiment comprises the steps of: the dielectric material, the auxiliary material and the plant material are mixed and granulated to prepare the aerosol-generating article.
The microwave heating effect of the aerosol-generating article of this embodiment is shown in fig. 1. Each curve in the graph represents temperature, voltage, and microwave frequency, respectively. The trough in the temperature curve is the temperature during pumping, and the trough is the temperature feed-in stabilization stage.
Experiments prove that the aerosol generating product has stable temperature and no attenuation in the microwave heating process and the temperature in the later heating stage, so that the aerosol generating product has high heating completeness, high release efficiency of the main components of the aerosol and good consistency before and after, thereby improving the suction experience.
Example 2
The present example provides an aerosol-generating article that is a 15-20 mesh particulate substrate having a moisture content of 4.5% ± 1% (mass percent).
The aerosol-generating article of this embodiment is composed of a dielectric material, an auxiliary material and a plant material in a mass ratio of 13:36.2:100.
The dielectric material consists of 4 materials of titanium dioxide, diatomite, calcium carbonate and barium titanate in a mass ratio of 1:1:1:2, wherein the mass of the dielectric material is 13% of that of the plant material.
The plant materials in the aerosol-generating product are the dried tobacco stems, leaves and flowers combined by three preparation processes of baking, sun drying and cooling, the moisture is 8 percent (mass percent), the mesh number is 200 meshes, the mass ratio of the stems, the leaves and the flowers is 1:3:2, and the plant materials form the main components of the aerosol-generating product.
The auxiliary material in the aerosol-generating article consists of an atomizing agent, a binder and a feature providing material. The atomizing agent consists of 1, 2-propanediol and glycerol in a mass ratio of 1:5, and is used as a main component for generating aerosol of the aerosol generating product, and the mass of the atomizing agent is 18% of the mass of plant materials.
The binder in the auxiliary material of the aerosol-generating article was 2.5% gum solution prepared from sodium carboxymethylcellulose and guar gum in a mass ratio of 2:1, the solvent was water, and the mass was 9% of the mass of the plant material as a binder for the plant material and the dielectric material.
The feature providing material in the auxiliary material of the aerosol-generating article consists of a plant extract and a flavour modulator. The plant extract is the extract of tobacco root, stem, leaf and flower combined by three preparation processes of baking, sun drying and cooling, the extraction solvent is the mixed solvent of water and ethanol, the extraction method is leaching, and the solid content of the plant extract is 60-75%. The mass of the plant extract was 9% of the mass of the plant material. The characteristic provides that the fragrance regulator in the material is prepared by 3 kinds of green fragrance beta-dihydro-damascenone, bean fragrance dihydro-coumarin and fruit fragrance raspberry ketone according to green fragrance as main charm, and the mass ratio of the beta-dihydro-damascenone, the dihydro-coumarin and the raspberry ketone is 10:2:0.7. the mass of the flavour modulator is 0.2% of the mass of the plant material.
The method of preparing the aerosol-generating article of this embodiment comprises the steps of: the dielectric material, the auxiliary material and the plant material are mixed and granulated to prepare the aerosol-generating article.
The microwave heating effect of the aerosol-generating article of this embodiment is shown in figure 2. Each curve in the graph represents temperature, voltage, and microwave frequency, respectively. The trough in the temperature curve is the temperature during pumping, and the trough is the temperature feed-in stabilization stage.
Experiments prove that the aerosol generating product has stable temperature and no attenuation in the microwave heating process and the temperature in the later heating stage, so that the aerosol generating product has high heating completeness, high release efficiency of the main components of the aerosol and good consistency before and after, thereby improving the suction experience.
Example 3
The present example provides an aerosol-generating article comprising a 20 mesh to 25 mesh particulate substrate having a moisture content of 5% ± 1% (mass percent).
The aerosol-generating article of this embodiment is composed of a dielectric material, an auxiliary material and a plant material in a mass ratio of 15:40.5:100.
The dielectric material of the aerosol-generating product consists of 4 dielectric materials of titanium dioxide, diatomite, calcium carbonate and barium titanate with the mass ratio of 1:1:1:3, and the mass of the dielectric material is 15% of that of the plant material.
The plant materials in the aerosol-generating product are the dry matters of tobacco stems, leaves and flowers combined by three preparation processes of baking, sun drying and cooling, the moisture is 8 percent (mass percent), the mesh number is 200 meshes, and the mass ratio of the stems, the leaves and the flowers is 1:4:2, so that the main components of the aerosol-generating product matrix are formed.
The auxiliary material of the aerosol-generating article consists of an atomizing agent, a binder and a feature providing material. The atomizing agent consists of 1, 2-propanediol and glycerol in a mass ratio of 1:5, and is used as a main component for generating aerosol of the aerosol generating product, and the mass of the atomizing agent is 18% of the mass of plant materials.
The binder in the auxiliary material of the aerosol-generating article was 2.5% gum solution prepared from sodium carboxymethylcellulose and guar gum in a mass ratio of 2:1, the solvent was water, and the mass was 11% of the mass of the plant material as a binder for the plant material and the dielectric material.
The characteristic providing material of the auxiliary material module of the aerosol-generating article consists of a plant extract and a flavour modulator. The plant extract is the extract of tobacco roots, stems, leaves and flowers which are mutually combined by three preparation processes of baking, sun drying and cooling, the extraction solvent is a mixed solvent of water and ethanol, the extraction method is leaching, and the solid content of the plant extract is 60-75%. The mass of the plant extract is 11% of the mass of the plant material. The flavor extract in the auxiliary material of the aerosol-generating product is prepared by 3 components of spicy anisaldehyde, tobacco-flavored megastigmatrienone and baked-flavored acetyl pyrazine according to the main flavor of the spicy flavor, and the mass ratio of the anisaldehyde to the megastigmatrienone to the acetyl pyrazine in the flavor regulator is 7:2.4:0.9. the mass of the flavour modulator is 0.5% of the mass of the plant material.
The method of preparing the aerosol-generating article of this embodiment comprises the steps of: the dielectric material, the auxiliary material and the plant material are mixed and granulated to prepare the aerosol-generating article.
The microwave heating effect of the aerosol-generating article of this example is shown in figure 3. Each curve in the graph represents temperature, voltage and microwave frequency, respectively. The trough in the temperature curve is the temperature during pumping, and the trough is the temperature feed-in stabilization stage.
Experiments prove that the aerosol generating product has stable temperature and no attenuation in the microwave heating process and the temperature in the later heating stage, so that the aerosol generating product has high heating completeness, high release efficiency of the main components of the aerosol and good consistency before and after, thereby improving the suction experience.
Comparative example 1
Comparative example 1 provides an aerosol-generating article that differs from example 1 in that no dielectric material is added.
Experiments prove that the heating effect of the aerosol-generating article of comparative example 1 is seriously attenuated in the later stage, the temperature cannot be fed, the number of suction ports is obviously insufficient, and the suction experience is poor.
The microwave heating effect of the aerosol-generating article of comparative example 1 is shown in fig. 4. Each curve in the graph represents temperature, voltage, and microwave frequency, respectively.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which facilitate a specific and detailed understanding of the technical solutions of the present invention, but are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. It should be understood that, based on the technical solutions provided by the present invention, those skilled in the art can obtain technical solutions through logical analysis, reasoning or limited experiments, which are all within the protection scope of the appended claims. The scope of the patent is therefore intended to be covered by the appended claims, and the description and drawings may be interpreted as illustrative of the contents of the claims.

Claims (13)

1. An aerosol-generating article comprising: a dielectric material and an atomizing substrate;
the dielectric material comprises at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide.
2. An aerosol-generating article according to claim 1, wherein the dielectric material comprises modified or unmodified barium titanate, titanium dioxide, diatomaceous earth and calcium carbonate in a mass ratio of (10 to 25): (0 to 10): (1 to 25): (5 to 30).
3. An aerosol-generating article according to claim 1 or 2, wherein the nebulized matrix comprises plant material and auxiliary material;
the plant material comprises a dried product of at least one of a root, a stem, a leaf, a flower, and a fruit of a plant;
the auxiliary material includes an atomizing agent, a feature providing material, and an adhesive.
4. An aerosol-generating article according to claim 3, wherein the mass ratio of the plant material, the dielectric material and the auxiliary material is 100 (3-25): 10-60.
5. An aerosol-generating article according to claim 4, wherein the feature providing material comprises at least one of a plant extract and a flavour modulator.
6. The aerosol-generating article according to claim 5, wherein the plant extract is an extract of at least one of a root, a stem, a leaf, a flower, and a fruit of a plant; the mass of the plant extract is 8% -15% of the mass of the plant material.
7. An aerosol-generating article according to claim 5, wherein the flavour modulator comprises at least one of beta-damascone, dihydrocoumarin, raspberry ketone, 2, 3-dimethylpyrazine, alpha-ionone, anisaldehyde, megastigmatrienone and acetyl pyrazine.
8. An aerosol-generating article according to claim 5 or 7, wherein the flavour modulator is present in an amount of 0.1% to 0.5% by mass of the plant material.
9. An aerosol-generating article according to claim 3, wherein the binder comprises at least one of sodium carboxymethyl cellulose, carrageenan, xanthan gum, guar gum, agar, gelatin, sodium alginate, locust bean gum, and konjac gum.
10. An aerosol-generating article according to claim 3, wherein the mass of the binder is 8% to 15% of the mass of the plant material.
11. An aerosol-generating article according to any of claims 1-2, 4-7 and 9-10, wherein the shape of the aerosol-generating article comprises a stick, a pellet, a block or a filament.
12. A method of preparing an aerosol-generating article comprising the steps of:
mixing and molding a dielectric material and an atomized matrix to prepare an aerosol-generating article;
wherein the dielectric material comprises at least one of modified or unmodified barium titanate, diatomite, calcium carbonate and titanium dioxide.
13. An electronic atomizing device comprising a microwave generator for heating an aerosol-generating article according to any one of claims 1 to 11 and the aerosol-generating article.
CN202210962760.5A 2022-08-11 2022-08-11 Aerosol-generating article, method of producing the same, and electronic atomizing device Pending CN117617597A (en)

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* Cited by examiner, † Cited by third party
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US11717018B2 (en) * 2016-02-24 2023-08-08 R.J. Reynolds Tobacco Company Smoking article comprising aerogel
US20200093181A1 (en) * 2018-09-20 2020-03-26 Rai Strategic Holdings, Inc. Flavorants
GB202016880D0 (en) * 2020-10-23 2020-12-09 Nicoventures Trading Ltd Articles for use in non-combustible aerosol provision systems
WO2023023987A1 (en) * 2021-08-25 2023-03-02 深圳麦克韦尔科技有限公司 Aerosol-generating assembly and aerosol-generating system
CN113974229A (en) * 2021-12-02 2022-01-28 湖北中烟工业有限责任公司 Tobacco heating system
CN114391670A (en) * 2021-12-30 2022-04-26 深圳麦时科技有限公司 Atomizing device and microwave heating assembly
CN114209096A (en) * 2021-12-30 2022-03-22 深圳麦时科技有限公司 Atomizing device and microwave heating assembly
CN114468350A (en) * 2022-02-24 2022-05-13 湖北中烟工业有限责任公司 Smoking article suitable for heating tobacco body
CN114468376A (en) * 2022-03-17 2022-05-13 湖北中烟工业有限责任公司 Microwave type tobacco heating device without waveguide special-shaped resonant cavity

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