KR20240014863A - Flavor sheet comprising active carbon, filter and smoking article comprising the same - Google Patents

Abstract

The present invention provides a flavored sheet containing a flavor component and activated carbon, which includes 10 to 40% by weight of the flavor component and 1 to 10% by weight of activated carbon relative to the weight of the flavored sheet, and a flavored sheet with improved flavor retention, and a method for manufacturing the same. , providing a filter for a smoking article and a smoking article including the flavored sheet.

Description

Flavored sheet comprising activated carbon, filter and smoking article comprising the same {Flavor sheet comprising active carbon, filter and smoking article comprising the same}

The present invention relates to flavored sheets comprising activated carbon, filters comprising the same, and smoking articles.

In general, tobacco refers to a perennial plant of the dicotyledonous plant family Solanaceae, but recently, it is also commonly referred to as a product manufactured for smoking purposes by wrapping tobacco leaves in cigarette paper and forming a filter section on one side. There are thousands of types of such cigarettes worldwide, and they are released in various shapes and forms.

Meanwhile, research is being conducted on technology to add various types of flavors to aerosols generated from cigarettes according to the diverse needs of smokers. In order to generate a specific flavor that suits the smoker's preference, specific flavor components are added to the cigarette in a solution state. A method of simply adding it by spraying it or adding a sheet containing flavoring (flavored sheet) to a smoking article is used.

However, in the case of TJNS (Transfer Jet Nozzle System), which sprays flavoring ingredients directly into the cigarette, not only is the flavoring efficiency poor due to the large amount of flavoring liquid being discarded around the tobacco components, but also contamination around the tube filter due to the spraying of flavoring liquids. Problems arise that cause problems.

In addition, the existing flavored sheet has a problem in that the flavor component comes out of the sheet due to the heat source when the sheet is dried in the liquid state. When smoking, the flavor in the early part of the smoking process is rapidly released, and in theory, it is added in the latter part of the smoking process. It has the disadvantage that the level of scent perception when smoking is not constant because the content of the scent is reduced compared to the other scent.

Therefore, in order to overcome the problems and/or limitations of the existing technology as described above, the present invention applies activated carbon, a porous material with a large surface area and strong adsorption, to prevent flavor components from being released outside the sheet as much as possible when drying and heating the sheet. The purpose is to provide a flavored sheet that can emit scent more continuously even when temperature is applied during the smoking process, a filter containing the same, and a smoking article.

However, the problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned can be clearly understood by those skilled in the art from the description below.

According to one embodiment of the present invention, a flavored sheet containing a flavor ingredient and activated carbon,

Provided is a flavored sheet with improved flavor retention, which includes 10 to 40% by weight of the flavor component relative to the weight of the flavored sheet.

According to one side, a filter for a smoking article consisting of one or more segments, comprising:

A filter for a smoking article is provided, wherein at least one of the one or more segments includes a flavored sheet.

According to another aspect of the present invention, in a smoking article including a tobacco medium portion and a filter portion,

The filter unit includes a flavored sheet containing flavor ingredients and activated carbon,

It provides a smoking article, characterized in that the flavor component is contained in an amount of 10 to 40% by weight relative to the weight of the flavored sheet.

According to another aspect of the present invention,

a) mixing water and cellulose-based polymer;

b) mixing alcohol with flavor ingredients and activated carbon;

c) mixing the solutions in a) and b) together and pouring and spreading the mixed solution; and

d) drying at a temperature of 40 to 70°C;

It provides a method for manufacturing a flavored sheet, characterized in that it includes.

When a smoker uses a smoking article containing a flavored sheet according to an aspect of the present invention, a greater amount of flavor can be released in the early part of smoking compared to existing smoking articles, and the flavor decreases more gently toward the latter half of smoking. , can produce a continuous scent release effect.

In addition, the flavored sheet according to one aspect of the present invention reduces the amount of flavoring ingredients released by the heat source during the manufacturing process, so that not only can more flavor be retained, but also the smoker can perceive the flavor more. It can be felt strongly and has excellent flavoring efficiency as well.

The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

Figure 1 compares the scent release amount (%) according to the number of heating (N) of a menthol sheet containing activated carbon and a menthol sheet without activated carbon according to an embodiment of the present invention using SPME-GC/MS. It's a graph.
Figure 2 is a photograph showing a sheet with 5% by weight of activated carbon added compared to the weight (solid content) of the flavored sheet.
Figure 3 is a photograph showing a sheet with 10% by weight of activated carbon added compared to the weight (solid content) of the flavored sheet.
Figure 4 is a photograph showing a sheet with 15% by weight of activated carbon added compared to the weight (solid content) of the flavored sheet.
Figure 5 is a diagram showing the schematic configuration of a smoking article including a flavored sheet according to an embodiment of the present invention.

Hereinafter, embodiments will be described in detail with reference to the attached drawings. However, various changes can be made to the embodiments, so the scope of the patent application is not limited or limited by these embodiments. It should be understood that all changes, equivalents, or substitutes for the embodiments are included in the scope of rights.

The terms used in the examples are for descriptive purposes only and should not be construed as limiting. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the embodiments belong. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless explicitly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

In addition, when describing with reference to the accompanying drawings, identical components will be assigned the same reference numerals regardless of the reference numerals, and overlapping descriptions thereof will be omitted. In describing the embodiments, if it is determined that detailed descriptions of related known technologies may unnecessarily obscure the gist of the embodiments, the detailed descriptions are omitted.

Additionally, in describing the components of the embodiment, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, or order of the component is not limited by the term.

Components included in one embodiment and components including common functions will be described using the same names in other embodiments. Unless stated to the contrary, the description given in one embodiment may be applied to other embodiments, and detailed description will be omitted to the extent of overlap.

Throughout the specification, 'smoking articles' may refer to articles that can generate aerosols, such as cigarettes (cigarettes), cigars, etc. Smoking articles may include an aerosol-generating material or an aerosol-forming substrate. Additionally, smoking articles may include solid materials based on tobacco raw materials, such as leaf tobacco, cut tobacco, reconstituted tobacco, etc. Smoking materials may contain volatile compounds.

In addition, throughout the specification, 'upstream' or 'upstream direction' means a direction away from the mouth of the user smoking the smoking article, and 'downstream' or 'downstream direction' refers to a direction closer to the mouth of the user smoking the smoking article. means. For example, in the smoking article 1 shown in FIG. 5, the tobacco medium portion 10 is located upstream or in an upstream direction of the filter portion 20.

The 'aerosol generating system' in the present invention may refer to a device that generates an aerosol using an aerosol generating base to generate an aerosol that can be directly inhaled through the user's mouth into the user's lungs. The aerosol generating system is a non-combustible tobacco product that indirectly heats with electric energy rather than direct combustion. Non-combustible tobacco products include heated and non-heated tobacco products, and in the case of the present invention, it is preferably used for heated cigarettes. In the case of a heated tobacco product, it may be an article that allows smoking by sucking in heated surrounding air through electrical energy to generate an aerosol, and then releasing the aerosol after it is inhaled by the user. For example, it may include a hybrid type aerosol generating device that uses a liquid cartridge and a cigarette, and in addition, various types of aerosol generating devices may be further included, so the scope of the present disclosure is not limited to the examples described above.

According to one embodiment of the present invention, a flavored sheet containing a flavor ingredient and activated carbon,

A flavored sheet with improved flavor retention is provided, which includes 10 to 40% by weight of the flavor component relative to the weight of the flavored sheet.

The flavor component according to one aspect of the present invention can be applied without major limitations as long as it can impart flavor and/or aroma characteristics or enhance the flavor, and can be applied to smoking articles, etc. Specific examples include, for example, rosemary, eucalyptol, licorice, sucrose, fructose syrup, isosweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, Honey essence, rose oil, vanilla, lemon oil, orange oil, mint oil, mandarin oil, catechin, grapefruit, caraway, cognac, jasmine, cacocaine, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander and It may contain one or more selected from the group consisting of coffee, and a preferred example thereof may include menthol.

As mentioned above, the flavor component may be included in an amount of 10 to 40% by weight, or 10 to 30% by weight, or 10 to 20% by weight, based on the weight of the flavored sheet, and the content of the flavor component is included within the above range. In this case, it is possible to provide persistence of the scent and/or tobacco taste that is carried during smoking, and not only can it be applied in high concentration, but also the intensity of the scent and/or flavor can be adjusted depending on the added concentration.

On the other hand, if the content of the flavor component is less than 10% by weight, the flavor effect is minimal, so the degree of perception of the flavor component during smoking may be low, and the significant expected effect of activated carbon may not be seen.

In addition, if the content of the flavor component exceeds 40% by weight, when the flavored sheet crude liquid is dried, a complete sheet may not be produced due to poor physical properties of the sheet, and the amount of flavor component that can be collected from the added activated carbon and the sheet may not be sufficient. Due to limitations, the degree of expression of flavor components is expressed more strongly in the first puff during smoking and then decreases rapidly thereafter, resulting in a large difference in the degree of flavor perception during overall smoking.

Therefore, overall, when an appropriate amount of flavor component (e.g., 10 to 40% by weight relative to the weight of the flavored sheet) is added according to the combination of the overall flavored sheet raw materials, it has a more positive effect on flavor expression and the physical properties of the sheet. can give.

Meanwhile, the flavored sheet contains activated carbon in addition to the flavor component, and the content of the activated carbon is preferably 1 to 10% by weight based on the weight of the flavored sheet. Existing flavored sheets have a problem in that flavor components are lost out of the sheet due to a heat source during sheet drying during the manufacturing process, so the present inventor used activated carbon, a porous material with a large surface area and strong adsorption, in a certain amount when manufacturing the flavored sheet. By adding this, the flavor components do not leak out of the sheet and the flavor can be released continuously until the latter half of smoking, resulting in improved flavor retention.

On the other hand, if the content of activated carbon is less than 1% by weight relative to the weight of the flavored sheet, the effect of adding activated carbon may be minimal, making it difficult to obtain excellent scent retention, and if it exceeds 10% by weight, Figure 4 As shown, compared to flavored sheets containing activated carbon at 10% by weight or less, there is a problem in that the sheet shape shrinks significantly, so it may be difficult to serve as a sheet included in a filter for smoking articles.

Meanwhile, the flavor sheet according to an embodiment of the present invention may be composed of a binder material that provides a polymer matrix that can hold the flavor ingredients, is flexible, and can form a sheet shape, for example, cellulose-based May contain polymers.

Types of the cellulose-based polymer include, for example, methylcellulose, ethylcellulose, carboxymethylcellulose, carboxyethylcellulose, hydroxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, and hydroxyethyl. It may contain at least one selected from the group consisting of methylcellulose and agar, and preferably may correspond to methylcellulose (MC) and/or hydroxypropylmethylcellulose (HPMC).

In addition, the cellulose-based polymer constituting the flavored sheet may be included in an amount of about 20 to 60% by weight based on the weight of the flavored sheet. If the content of the cellulose-based polymer is less than 20% by weight, sheet formation itself may be difficult.

On the other hand, if it exceeds 60% by weight, the manufactured sheet may break or crack, the flavor components in the sheet may not be expressed well, and it may be difficult to obtain improved scent retention. In addition, an increase in the content of cellulose-based polymers in the sheet also leads to a decrease in the content of other flavor components, which may result in a low level of flavor expression.

In addition, the flavored sheet according to an embodiment of the present invention may contain plasticizers, bulking agents, other additives, etc., to the extent that they do not impair the effect of the present invention. Examples of the plasticizers include glycerin and propylene glycol (PG). and the like, and examples of bulking agents include dextrin.

The flavored sheet according to an embodiment of the present invention may have a thickness of about 1 mm or less, for example, 0.1 to 1 mm, 0.2 mm to 0.8 mm, or 0.3 to 0.5 mm. If the thickness of the flavored sheet exceeds 1 mm, the flavor components in the sheet may not be expressed well due to the thick thickness, and the characteristics of the sheet may be difficult to implement, making it difficult to use it in a filter for smoking articles. there is. Additionally, the flavored sheet may be composed of not only a single layer but also multiple layers.

According to another embodiment of the present invention, a filter for a smoking article consisting of one or more segments, comprising:

A filter for a smoking article is provided, wherein at least one of the one or more segments includes a flavored sheet.

Meanwhile, the filter for smoking articles according to an embodiment of the present invention is one of a plurality of segments and may include a cooling filter, and the cooling filter may correspond to a paper tube filter as an example.

In this case, the flavored sheet may be included in the paper tube, and more specifically, it may be located on the inner or outer surface of the paper tube to simultaneously exhibit a cooling effect and a scent release effect.

In addition, the filter for smoking articles may include a tube filter, a cellulose acetate filter with a porous matrix structure, etc. in addition to a paper tube filter.

According to one embodiment of the present invention, in a smoking article including a tobacco medium portion and a filter portion,

The filter unit includes a flavored sheet containing flavor ingredients and activated carbon,

A smoking article is provided, characterized in that the flavor component is contained in an amount of 10 to 40% by weight relative to the weight of the flavored sheet.

Here, the activated carbon may be included in an amount of 1 to 10% by weight based on the weight of the flavored sheet, and the smoking article may correspond to a combustible cigarette or a non-combustible electronic cigarette.

According to another embodiment of the present invention,

a) mixing water and cellulose-based polymer;

b) mixing alcohol with flavor ingredients and activated carbon;

c) mixing the solutions in a) and b) together and pouring and spreading the mixed solution; and

d) drying at a temperature of 40 to 70°C;

A method for producing a flavored sheet is provided, comprising:

The drying temperature may correspond to not only 40 to 70°C, but also, for example, 40 to 60°C, preferably 50°C.

The flavored sheet in the above-mentioned smoking article filter, smoking article, and flavored sheet manufacturing method can be considered to be substantially the same as the flavored sheet described in detail above, and detailed description thereof will be omitted to avoid repetition.

Hereinafter, the configuration of the present invention and its effects will be described in more detail through examples and comparative examples. However, these examples are for illustrating the present invention in more detail, and the scope of the present invention is not limited to these examples.

<Example>

- Example 1 (Preparation of activated carbon menthol sheet)

The present inventor conducted an experiment using the following methods 1) to 5) to produce a flavored sheet.

1) Add dextrin to a beaker containing water and stir until the dextrin dissolves.

2) Afterwards, add methylcellulose to the solution and stir until the methylcellulose is completely dissolved.

3) Add menthol to another beaker containing alcohol and dissolve it, then add activated carbon and stir for about 5 to 10 minutes to capture the menthol in the activated carbon.

4) Slowly add the solution containing activated carbon to the solution containing methylcellulose and stir to thoroughly mix.

5) Pour an appropriate amount of the solution mixed in step 4) onto the release paper, push the solution thinly with an applicator, and dry it in an oven at about 50°C for about 1 hour to obtain a menthol-flavored sheet containing activated carbon.

- Comparative Example 1 (Manufacture of menthol sheet)

The present inventor obtained a menthol sheet by performing the same method as in Example 1 (method for producing an activated carbon menthol sheet), except that activated carbon was not added.

- Measurement of fragrance release according to number of heating times

The flavored sheets of Example 1 and Comparative Example 1 prepared previously were heated 20 times each using SPME-GC/MS to confirm the degree to which menthol was released, and the results are shown in Figure 1.

Through this, it was confirmed that the menthol sheet of Comparative Example 1 without the addition of activated carbon showed a tendency for the amount of menthol to decrease rapidly in the early stages, and the amount tended to decrease noticeably towards the latter part.

On the other hand, the menthol sheet containing the activated carbon of Example 1 released a larger amount of menthol in the early part compared to the menthol sheet of Comparative Example 1 without the addition of activated carbon, and then tended to continuously and gently decrease towards the latter part. And it was found.

From these results, the menthol sheet added with activated carbon shows the effect of preventing menthol from being released out of the sheet by the heat source during the drying process of the crude liquid during the sheet manufacturing process, which is more effective when manufactured as a flavored sheet. Not only can a large amount of menthol be withheld, but it can also be expected that the scent perceived by the smoker at the beginning of smoking will be felt stronger by activated carbon.

- Determination of physical properties of sheet according to activated carbon content

According to the method of Example 1, menthol sheets containing 5% by weight, 10% by weight, and 15% by weight of activated carbon relative to the weight of the flavored sheet (solid content), respectively, were prepared, and the results are shown in Figures 2 to 4. .

As shown in Figures 2 to 4, the sheet to which 15% by weight of activated carbon (Figure 4) was added compared to the sheet to which 5% by weight and/or 10% by weight of activated carbon was added (Figures 2 and/or Figure 3). , the sheet shape showed greater shrinkage, which means that as the activated carbon content exceeds 10% by weight, the content of other solids such as cellulose and dextrin decreases, making the sheet shape less intact. That is, it can be seen that adding less than 10% by weight of activated carbon is preferable for producing a flavored sheet.

Although the embodiments have been described with limited drawings as described above, those skilled in the art can apply various technical modifications and variations based on the above. For example, the described techniques are performed in a different order than the described method, and/or components of the described system, structure, device, circuit, etc. are combined or combined in a different form than the described method, or other components are used. Alternatively, appropriate results may be achieved even if substituted or substituted by an equivalent.

Therefore, other implementations, other embodiments, and equivalents of the claims also fall within the scope of the following claims.

1: Smoking items
10: Cigarette beating unit
20: filter part

Claims (12)

A flavored sheet containing a flavoring ingredient and activated carbon,
A flavored sheet with improved flavor retention, comprising 10 to 40% by weight of the flavor component relative to the weight of the flavored sheet.
According to paragraph 1,
A flavored sheet containing 1 to 10% by weight of the activated carbon relative to the weight of the flavored sheet.
According to paragraph 1,
The flavor ingredients include rosemary, eucalyptol, licorice, sucrose, fructose syrup, isosweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, cascarilla, sandalwood, bergamot, geranium, honey essence, Consisting of rose oil, vanilla, lemon oil, orange oil, mint oil, mandarin oil, catechin, grapefruit, caraway, cognac, jasmine, cacocaine, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, coriander and coffee. A flavored sheet comprising one or more selected from the group.
According to paragraph 1,
A flavored sheet, characterized in that the flavor component includes menthol.
According to paragraph 1,
The flavored sheet includes a cellulose-based polymer.
According to clause 5,
The cellulose-based polymer is a group consisting of methylcellulose, ethylcellulose, carboxymethylcellulose, carboxyethylcellulose, hydroxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxyethylmethylcellulose, and agar. A flavored sheet comprising at least one selected from .
A filter for a smoking article consisting of one or more segments, comprising:
A filter for a smoking article, wherein at least one of the one or more segments comprises the flavored sheet of claim 1.
In clause 7,
The filter for the smoking article includes a paper tube,
A filter for a smoking article, characterized in that the flavored sheet is included in the paper tube.
In a smoking article including a tobacco medium portion and a filter portion,
The filter unit includes a flavored sheet containing flavor ingredients and activated carbon,
A smoking article, characterized in that the flavor component is contained in an amount of 10 to 40% by weight relative to the weight of the flavored sheet.
According to clause 9,
A smoking article, characterized in that the activated carbon is contained in an amount of 1 to 10% by weight based on the weight of the flavored sheet.
According to clause 9,
A smoking article, characterized in that the smoking article is a combustible cigarette or a non-combustible electronic cigarette.
a) mixing water and cellulose-based polymer;
b) mixing alcohol with flavor ingredients and activated carbon;
c) mixing the solutions in a) and b) together and pouring and spreading the mixed solution; and
d) drying at a temperature of 40 to 70°C;
The method of manufacturing the flavored sheet of claim 1, comprising a.