CN117617597A - Aerosol-generating products and preparation methods and electronic atomization devices - Google Patents

Abstract

The present invention relates to an aerosol-generating product, a preparation method thereof, and an electronic atomization device. The above-mentioned aerosol-generating product includes: a dielectric material and an atomization matrix; the dielectric material includes at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide. Adding the above-mentioned dielectric materials to aerosol-generating products can slow down the change rate of the dielectric constant of aerosol-generating products during the microwave heating process, promote microwave heating stability, and improve the consistency of sensory quality. In addition, the above-mentioned dielectric materials will not affect the taste of the aerosol-generating product during the puffing process, and the puffing effect is better.

Description

Aerosol-generating products and preparation methods and electronic atomization devices

Technical field

The present invention relates to the technical field of electronic atomization, and in particular to an aerosol-generating product, a preparation method thereof, and an electronic atomization device.

Background technique

At present, the mainstream heating technologies in the heat-not-burn product market include resistance heating and electromagnetic heating. The above heating methods mainly transfer heat from the outside to the inside based on thermal conduction, convection and radiation. Temperature gradients inevitably exist in the matrix of aerosol-generating products, so The heated substrate is uneven, resulting in localized overheating of the substrate. Therefore, traditional heating methods have problems such as low heating efficiency, high energy consumption, and poor heating uniformity, resulting in insufficient aerosol release and poor consistency in aerosol-generating products, affecting consumers' smoking experience.

As a kind of electromagnetic wave, microwave can be used for both information transmission and heating. Microwave also has important applications in drying, extraction, sterilization, etc. 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 use of microwaves for heating aerosol-generating products has the advantages of high heating efficiency, low energy consumption, and uniform heating. However, when microwaves are used to heat aerosol-generating products, there are still problems such as poor microwave heating stability and poor taste when inhaled.

Contents of the invention

Based on this, it is necessary to provide an aerosol-generating product and a preparation method thereof, which can improve the stability of microwave heating and have a better taste when inhaled.

In addition, there is a need to provide an electronic atomization device including the aerosol-generating article.

An aerosol-generating article includes: dielectric material and atomization matrix;

The dielectric material includes at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide.

In one embodiment, the dielectric material includes modified or unmodified barium titanate with a mass ratio of (10~25):(0~10):(1~25):(5~30) , titanium dioxide, diatomaceous earth and calcium carbonate.

In one embodiment, the atomization matrix includes plant materials and auxiliary materials;

The plant materials include dried materials of at least one of roots, stems, leaves, flowers and fruits of plants;

The auxiliary materials include aerosols, feature-providing materials and adhesives.

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 includes at least one of a plant extract and a flavor modifier.

In one embodiment, the plant extract is an extract of at least one of plant roots, stems, leaves, flowers and fruits; the mass of the plant extract is 8% of the mass of the plant material. ~15%.

In one embodiment, the flavor modifier includes β-damascenone, dihydrocoumarin, raspberry ketone, 2,3-dimethylpyrazine, α-ionone, anisaldehyde, At least one kind of benzotrienone and acetyl pyrazine.

In one embodiment, the mass of the flavor modifier is 0.1% to 0.5% of the mass of the plant material.

In one embodiment, the adhesive includes at least one of sodium carboxymethyl cellulose, carrageenan, xanthan gum, guar gum, agar, gelatin, sodium alginate, locust bean gum and konjac gum. kind.

In one embodiment, the mass of the adhesive is 8% to 15% of the mass of the plant material.

In one embodiment, the shape of the aerosol-generating article includes strips, granules, blocks or filaments.

A method for preparing aerosol-generating products, including the following steps:

Mix and mold the dielectric material and atomization matrix to prepare aerosol-generating products;

Wherein, the dielectric material includes at least one of modified or unmodified barium titanate, diatomaceous earth, calcium carbonate and titanium dioxide.

An electronic atomization device includes a microwave generator and the above-mentioned aerosol-generating product, and the microwave generator is used to heat the aerosol-generating product.

The above-mentioned aerosol-generating product includes a dielectric material and an atomization matrix. The dielectric material includes at least one of modified or unmodified barium titanate, diatomaceous earth, calcium carbonate, and titanium dioxide. The addition of the above-mentioned dielectric material not only It can improve the microwave heating effect, and can also slow down the change rate of the dielectric constant of aerosol-generated products during the microwave heating process, promote the stability of microwave heating, and improve the consistency of sensory quality during puffing. In addition, compared with other materials, the addition of the above-mentioned dielectric materials will not affect the taste of the aerosol-generating product during the suction process, and the suction effect is better.

Description of drawings

Figure 1 is a microwave heating effect diagram of the aerosol-generating product of Example 1;

Figure 2 is a microwave heating effect diagram of the aerosol-generating product of Example 2;

Figure 3 is a microwave heating effect diagram of the aerosol-generating product of Example 3;

Figure 4 is a diagram showing the microwave heating effect of the aerosol-generating product of Comparative Example 1.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more comprehensively below in conjunction with specific embodiments. Preferred embodiments of the present invention are given in the detailed description. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough understanding of the present disclosure will be provided.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terminology used herein in the description of the invention is for the purpose of describing specific embodiments only and is not intended to limit the invention.

In view of the problems existing in traditional microwave-heated aerosol-generating products, the present invention provides an aerosol-generating product that can improve the stability of microwave heating and has a better suction taste.

Specifically, an embodiment of an aerosol-generating article includes: a dielectric material and an atomization matrix;

The dielectric material includes at least one of modified or unmodified barium titanate, calcium carbonate, diatomaceous earth, and titanium dioxide.

The dielectric material includes at least one of modified or unmodified barium carbonate, diatomaceous earth, calcium carbonate and titanium dioxide. The addition of the above dielectric material can not only improve the microwave heating effect, but also slow down gas emissions during the microwave heating process. The dielectric constant change rate of the sol-generated product promotes microwave heating stability and improves the consistency of sensory quality during smoking. In addition, compared with other materials, the addition of the above-mentioned dielectric materials will not affect the taste of the aerosol-generating product during the suction process, and the suction effect is better.

In some embodiments, the dielectric material includes 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.

By adjusting the proportion of each component in the dielectric material, the dielectric constant of the aerosol-generating product can be adjusted, thereby having a more beneficial coupling performance with microwave heating. Further, the dielectric material includes modified or unmodified barium titanate, titanium dioxide, and diatomite with a mass ratio of (12~20):(1~8):(3~15):(6~20) and calcium carbonate. The dielectric constant of a dielectric material is ≥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 aerosolized matrix includes plant material and auxiliary materials.

Specifically, plant materials include one or more dried materials of roots, stems, leaves, flowers and fruits of plants. In some embodiments, the plant material includes one or more dried materials of tobacco roots, stems, leaves, flowers and fruits.

In some embodiments, the raw material of the plant material has been processed by at least one of roasting, drying, cooling and frying.

In some embodiments, the plant material is in powder form. For example, the mesh size of plant materials 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 a 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 consisting of any two of these values. Further, the mass ratio of plant material to dielectric material is 100: (7～20).

In one embodiment, the mass ratio of plant materials to auxiliary materials is 100: (10-60). In a 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 consisting of any two of these values. Further, the mass ratio of plant materials and auxiliary materials is 100: (20～50).

In some embodiments, auxiliary materials include aerosols, feature-providing materials, and adhesives.

Adhesives are mainly used to bond plant materials, dielectric materials and auxiliary materials in order to form aerosol-generating products in strips, granules, blocks, filaments and other shapes.

In some embodiments, the binder includes at least one of sodium carboxymethylcellulose, carrageenan, xanthan gum, guar gum, agar, gelatin, sodium alginate, locust bean gum, and konjac gum.

In some embodiments, the binder includes sodium carboxymethylcellulose and guar gum. In one embodiment, the binder includes sodium carboxymethylcellulose and guar gum in a mass ratio of (1-2):1. For example, in the adhesive, the mass ratio of carboxymethylcellulose sodium and guar gum is 1:1, 1:1.2, 1:1.5, 1:1.8, 1:2, or any two of these values. range of composition.

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 any of these based on the mass of the plant material. A range consisting of any two of the values.

In some embodiments, the feature-providing material includes at least one of a plant extract and a flavor modifier. Features provide materials capable of providing the flavor and aroma of aerosol-generating products. In one embodiment, the aerosol-generating product has a fruity, fresh, or other fragrance.

In some embodiments, the plant extract is an extract of at least one of roots, stems, leaves, flowers and fruits of plants. In one embodiment, the extraction agent may be a mixture of water and ethanol.

In one embodiment, the solid content of the plant extract is 60% to 75%.

In a specific example, the plant extract is an extract of at least one of tobacco roots, stems, leaves, flowers and fruits.

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 any of these of the mass of the plant material. A range consisting of any two of the values.

In some embodiments, the aroma modifiers include beta-damascenone, dihydrocoumarin, raspberry ketone, 2,3-dimethylpyrazine, alpha-ionone, anisaldehyde, benzotrian At least one of enone and acetyl pyrazine. It can be understood that the fragrance modifier is not limited to this, and can also be adjusted according to the actual required fragrance type and fragrance of the aerosol-generating product.

In some embodiments, the mass of the flavor modifier is 0.1% to 0.5% of the mass of the plant material. In a specific example, the mass of the flavor modifier is 0.1%, 0.12%, 0.15%, 0.18%, 0.2%, 0.3%, 0.4%, 0.5% of the mass of the plant material, or any two of these values. range of composition.

In some embodiments, the atomizing agent is selected from at least one of monohydric alcohols and polyhydric alcohols. Nebulizers can atomize and produce aerosols. For example, in one embodiment, the atomizing agent includes at least one of ethanol, propylene glycol and glycerol. In a specific example, the atomizer 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 can be any shape that can be fixed on the aerosol-generating article carrying platform. In one embodiment, the aerosol-generating article may be in the form of strips, granules, blocks, filaments, etc.

In a specific example, the aerosol-generating article is in a granular shape. For example, aerosol-generating products include particles of 10 mesh to 15 mesh, particles of 15 mesh to 20 mesh, particles of 20 mesh to 25 mesh, and the like.

Microwaves with specific microwave frequencies can produce thermal effects through the heated object. This is mainly because the polar molecules in the heated object couple with microwaves, resulting in displacement polarization and ion polarization, resulting in microwave dissipation, which converts microwave energy into thermal energy. Raise the temperature of the heated object. The quantitative factor is that any heated object has a dielectric constant and dielectric loss, and high-dielectric materials can absorb microwaves well and dissipate microwaves to a certain extent to achieve heating. In this embodiment, adding the above-mentioned dielectric material whose dielectric constant does not change with temperature changes into the aerosol-generating product slows down the change rate of the dielectric constant of the aerosol-generating product during the microwave heating process, which can promote the stability of microwave heating. , improve the consistency of sensory quality. In addition, compared with other dielectric materials, the addition of the above-mentioned dielectric materials will not affect the smoking taste of the aerosol-generating product.

In addition, any component of the above dielectric materials has dielectric properties. Adjusting the proportion of each component can adjust the dielectric constant of the aerosol-generated product, thereby having a more beneficial coupling performance with microwave heating, in terms of heating effect and sensory quality. Have good performance on.

The present invention also provides a method for preparing an aerosol-generating product according to one embodiment, which includes the following steps:

The dielectric material and the atomization matrix are mixed and molded to prepare an aerosol-generating product.

Wherein, the dielectric material includes at least one of modified or unmodified barium titanate, diatomite, calcium carbonate and titanium dioxide.

The specific dielectric material and atomization matrix are as mentioned above and will not be described again.

The present invention also provides an electronic atomization device in one embodiment, including: a microwave generator and an aerosol-generating product. The microwave generator is used to heat the aerosol-generating product.

Specifically, the aerosol-generating product is as described above and will not be described again.

In order to make the purpose and advantages of the present invention clearer, the aerosol-generating product and its effect of the present invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and It shall not be used to limit the invention. The following examples do not include other components except inevitable impurities unless otherwise specified. Unless otherwise specified, the drugs and instruments used in the examples are conventional choices in this field. Experimental methods that do not indicate specific conditions in the examples are implemented according to conventional conditions, such as conditions described in literature and books or methods recommended by manufacturers.

Example 1

This embodiment provides an aerosol-generating product. The aerosol-generating product is a granular matrix of 10 mesh to 15 mesh, and the moisture is 4% ± 1% (mass percentage).

The aerosol-generating product of this embodiment is composed of dielectric materials, auxiliary materials and plant materials with a mass ratio of 10:36.2:100.

Among them, the dielectric material is composed of diatomite, calcium carbonate and barium titanate with a mass ratio of 1:1:1, and its mass is 10% of the mass of the plant material.

The plant materials in the aerosol-generating products are dried tobacco stems, leaves and flowers that have been combined with three modulation processes: roasting, sun-drying and cooling. The moisture content is 8% (mass percentage) and the mesh number is 200. The stems and leaves The mass ratio of flowers to flowers is 1:3:1, and the plant material forms the main component of the aerosol-generating product.

Auxiliary materials in aerosol-generating products consist of atomizers, adhesives and feature-providing materials. The atomizer consists of 1,2-propanediol and glycerol with a mass ratio of 1:4. The mass of the atomizer is 18% of the mass of the plant material.

The binder in the auxiliary material is prepared from sodium carboxymethyl cellulose and guar gum with a mass ratio of 1:1 to a 3% gum solution, the solvent is water, and the mass of the binder is 9 times the mass of the plant material. %.

Characteristics in the auxiliary material provide that the material consists of plant extracts and aroma modifiers. Plant extracts are extracts of tobacco roots, stems, leaves and flowers that have been combined through three modulation processes of roasting, sun-drying and cooling. The extraction solvent is a mixed solvent of water and ethanol. The extraction method is leaching. The solid content of the plant extracts is The content is 60~75%. The mass of the plant extract is 9% of the mass of the plant material. Features: The flavor modifiers in the provided materials are composed of four materials: 2,3-dimethylpyrazine with a baking aroma, α-ionone with a floral aroma, dihydrocoumarin with a bean aroma, and raspberry ketone with a fruity aroma. It is made with baking aroma as the main flavor. Among the aroma modifiers, the mass ratio of 2,3-dimethylpyrazine, α-ionone, dihydrocoumarin and raspberry ketone is 5:1:0.5:1.2 . The mass of the flavor modifier is 0.2% of the mass of the plant material.

The method for preparing an aerosol-generating product in this embodiment includes the following steps: mixing and granulating dielectric materials, auxiliary materials, and plant materials to prepare an aerosol-generating product.

The microwave heating effect of the aerosol-generating product of this embodiment is shown in Figure 1. Each curve in the figure represents temperature, voltage, and microwave frequency respectively. The trough in the temperature curve is the temperature during suction, and the period between troughs is the stable stage of temperature feed.

Experiments have proven that the temperature of this aerosol-generating product is stable during microwave heating, and there is no temperature attenuation in the later stages of heating. This makes the aerosol-generating product highly heated, highly efficient in releasing the main components of the aerosol, and has good consistency, thereby improving suction. experience.

Example 2

This embodiment provides an aerosol-generating product. The aerosol-generating product is a granular matrix of 15 mesh to 20 mesh, and the moisture is 4.5% ± 1% (mass percentage).

The aerosol-generating product of this embodiment is composed of dielectric materials, auxiliary materials and plant materials with a mass ratio of 13:36.2:100.

Among them, the dielectric material is composed of four materials: titanium dioxide, diatomaceous earth, calcium carbonate and barium titanate with a mass ratio of 1:1:1:2, and its mass is 13% of the mass of the plant material.

The plant materials in the aerosol-generating products are dried tobacco stems, leaves and flowers that have been combined with three modulation processes: roasting, sun-drying and cooling. The moisture content is 8% (mass percentage) and the mesh number is 200. The stems and leaves The mass ratio of flowers to flowers is 1:3:2, and the plant material forms the main component of the aerosol-generating product.

Auxiliary materials in aerosol-generating products consist of atomizers, adhesives and feature-providing materials. The atomizer is composed of 1,2-propanediol and glycerol with a mass ratio of 1:5, which is the main component of the aerosol generated by the aerosol-generating product. The mass of the atomizer is 18% of the mass of the plant material.

The binder in the auxiliary material of the aerosol-generating product is prepared from sodium carboxymethyl cellulose and guar gum with a mass ratio of 2:1 to a 2.5% gum solution, and the solvent is water, as plant material and dielectric material The mass of the adhesive is 9% of the mass of the plant material.

Features in auxiliary materials for aerosol-generating articles provide materials consisting of plant extracts and flavor modifiers. The plant extract is an extract of tobacco roots, stems, leaves, and flowers that are prepared using a combination of roasting, drying, and cooling. The extraction solvent is a mixed solvent of water and ethanol. The extraction method is leaching. The solid content of the plant extract is It is 60~75%. The mass of the plant extract is 9% of the mass of the plant material. Features: The fragrance modifier in the provided material is composed of three kinds of green-flavored β-dihydrodamascone, bean-flavored dihydrocoumarin, and fruity-flavored raspberry ketone. In the regulator, the mass ratio of β-dihydrodamascenone, dihydrocoumarin and raspberry ketone is 10:2:0.7. The mass of the flavor modifier is 0.2% of the mass of the plant material.

The method for preparing an aerosol-generating product in this embodiment includes the following steps: mixing and granulating dielectric materials, auxiliary materials, and plant materials to prepare an aerosol-generating product.

The microwave heating effect of the aerosol-generating product of this embodiment is shown in Figure 2. Each curve in the figure represents temperature, voltage, and microwave frequency respectively. The trough in the temperature curve is the temperature during suction, and the period between troughs is the stable stage of temperature feed.

Experiments have proven that the temperature of this aerosol-generating product is stable during microwave heating, and there is no temperature attenuation in the later stages of heating. This makes the aerosol-generating product highly heated, highly efficient in releasing the main components of the aerosol, and has good consistency, thereby improving suction. experience.

Example 3

This embodiment provides an aerosol-generating product. The aerosol-generating product is a granular matrix of 20 mesh to 25 mesh, and the moisture is 5% ± 1% (mass percentage).

The aerosol-generating product of this embodiment is composed of dielectric materials, auxiliary materials and plant materials with a mass ratio of 15:40.5:100.

Among them, the dielectric material of the aerosol-generating product is composed of four dielectric materials: titanium dioxide, diatomaceous earth, calcium carbonate and barium titanate with a mass ratio of 1:1:1:3, and its mass is 15% of the mass of the plant material. .

The plant materials in the aerosol-generating products are dried tobacco stems, leaves and flowers that have been combined by roasting, drying and cooling. The moisture content is 8% (mass percentage) and the mesh number is 200. The stems, leaves The mass ratio of flowers to flowers is 1:4:2, forming the main component of the matrix of aerosol-generating products.

Auxiliary materials for aerosol-generating products consist of atomizers, adhesives and feature-providing materials. The atomizer is composed of 1,2-propanediol and glycerol with a mass ratio of 1:5, which is the main component of the aerosol generated by the aerosol-generating product. The mass of the atomizer is 18% of the mass of the plant material.

The binder in the auxiliary material of the aerosol-generating product is prepared from sodium carboxymethyl cellulose and guar gum with a mass ratio of 2:1 to a 2.5% gum solution, and the solvent is water, as plant material and dielectric material The mass of the adhesive is 11% of the mass of the plant material.

Characteristics of the auxiliary material module of the aerosol-generating article provide that the material consists of plant extracts and flavor modifiers. The plant extract is an extract of tobacco roots, stems, leaves, and flowers that are combined with three modulation processes: roasting, sun-drying, and cooling. The extraction solvent is a mixed solvent of water and ethanol. The extraction method is leaching. The solid content of the plant extract It is 60~75%. The mass of the plant extract is 11% of the mass of the plant material. The flavor extracts in the auxiliary materials of aerosol-generating products are prepared from three types: spicy anisaldehyde, tobacco-flavored soytrienone, and baking-flavored acetylpyrazine, with spicy aroma as the main flavor. In the regulator, the mass ratio of anisaldehyde, soytrienone and acetylpyrazine is 7:2.4:0.9. The mass of the flavor modifier is 0.5% of the mass of the plant material.

The method for preparing an aerosol-generating product in this embodiment includes the following steps: mixing and granulating dielectric materials, auxiliary materials, and plant materials to prepare an aerosol-generating product.

The microwave heating effect of the aerosol-generating product of this embodiment is shown in Figure 3. Each curve in the figure represents temperature, voltage and microwave frequency respectively. The trough in the temperature curve is the temperature during suction, and the period between troughs is the stable stage of temperature feed.

Experiments have proven that the temperature of this aerosol-generating product is stable during microwave heating, and there is no temperature attenuation in the later stages of heating. This makes the aerosol-generating product highly heated, highly efficient in releasing the main components of the aerosol, and has good consistency, thereby improving suction. experience.

Comparative example 1

Comparative Example 1 provides an aerosol-generating article, which differs from Example 1 in that no dielectric material is added.

Experiments have shown that the heating effect of the aerosol-generating product of Comparative Example 1 was severely attenuated in the later stage, the temperature could not be fed in, the number of suction ports was obviously insufficient, and the suction experience was poor.

The microwave heating effect of the aerosol-generating product of Comparative Example 1 is shown in Figure 4. Each curve in the figure represents temperature, voltage, and microwave frequency respectively.

The technical features of the above embodiments can be combined in any way. To simplify the description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, All should be considered to be within the scope of this manual.

The above-mentioned embodiments only express several implementation modes of the present invention to facilitate a specific and detailed understanding of the technical solutions of the present invention, but they should not be construed as limiting the scope of protection of the invention patent. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. It should be understood that technical solutions obtained by those skilled in the art through logical analysis, reasoning or limited testing based on the technical solutions provided by the present invention are within the protection scope of the appended claims of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the contents of the appended claims, and the description and drawings may be used to interpret 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.