CN117769363A - Flavored sheet comprising activated carbon, filter comprising same, and smoking article - Google Patents

Flavored sheet comprising activated carbon, filter comprising same, and smoking article Download PDF

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Publication number
CN117769363A
CN117769363A CN202380012020.8A CN202380012020A CN117769363A CN 117769363 A CN117769363 A CN 117769363A CN 202380012020 A CN202380012020 A CN 202380012020A CN 117769363 A CN117769363 A CN 117769363A
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CN
China
Prior art keywords
sheet
flavored
smoking article
cellulose
activated carbon
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Pending
Application number
CN202380012020.8A
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Chinese (zh)
Inventor
金东贤
郑敬彬
金翼中
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KT&G Corp
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KT&G Corp
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Publication of CN117769363A publication Critical patent/CN117769363A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • 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
    • 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
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic 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
    • 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
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/302—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by natural substances obtained from animals or plants
    • A24B15/303—Plant extracts other than tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials

Abstract

The present invention provides a flavored sheet having improved flavor retention, a method for producing the same, a filter for smoking articles comprising the flavored sheet, and a smoking article, wherein the flavored sheet comprises a flavor component and activated carbon, the content of the flavor component is 10 to 40 wt% and the content of the activated carbon is 1 to 10 wt% relative to the weight of the flavored sheet.

Description

Flavored sheet comprising activated carbon, filter comprising same, and smoking article
Technical Field
The present invention relates to a flavored sheet comprising activated carbon, a filter and a smoking article comprising the same.
Background
In general, tobacco is a perennial plant of the family Solanaceae, and recently, tobacco is a general term for a smoking article in which tobacco leaves are wrapped in a cigarette paper and a filter is disposed on one side. There are many kinds of tobacco worldwide, and their shapes are also varied.
In addition, as the demands of smokers become more diverse, studies on adding different flavors to aerosols produced from tobacco have been conducted, and in order to produce a specific flavor that meets the preference of the smokers, a specific flavor solution may be sprayed onto tobacco for simple addition, or a sheet (flavored sheet) containing a flavor may be added to a smoking article.
However, when the flavor component is sprayed directly onto the tobacco using the transfer spray nozzle system (Transfer Jet Nozzle System, TJNS), a large amount of flavor can be sprayed around the tobacco, which not only reduces the flavoring efficiency, but also can contaminate the tubular filter with the flavor sprayed around.
In addition, in the case of a conventional perfumed sheet, when the sheet is dried and wet, the perfume component escapes from the sheet due to the heat source. The problem that the flavor is released rapidly in the initial stage of the smoking process, and the flavor content in the later stage is insufficient to be added in theory, so that the flavor is inconsistent in the smoking process is also existed.
Disclosure of Invention
Problems to be solved by the invention
In order to overcome the above-mentioned problems and/or limitations of the prior art, the present invention provides a flavored sheet including activated carbon, a filter and a smoking article including the same, which employ activated carbon as a porous material having a large surface area and strong adsorptivity, maximally prevent flavor components from being released to the outside of the sheet when the sheet is dried or heated, and more permanently emit flavor even when a temperature is applied during smoking.
However, the problems to be solved by the present invention are not limited to the above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.
Means for solving the problems
An embodiment of the present invention provides a flavored sheet having improved flavor retention, the flavored sheet including a flavor component and activated carbon, the flavor component being present in an amount of 10 to 40% by weight relative to the weight of the flavored sheet.
According to one aspect, there is provided a filter for a smoking article made up of one or more segments, at least one of which comprises a flavoured sheet.
According to another aspect of the invention there is provided a smoking article comprising a tobacco media portion and a filter portion, the filter portion comprising a flavoured sheet having a flavour ingredient and active carbon, the flavour ingredient being present in an amount of from 10 to 40% by weight relative to the weight of the flavoured sheet.
According to a further aspect of the present invention there is provided a method of preparing a perfumed tablet comprising: step a), mixing water and a cellulose-based polymer; step b), mixing the fragrance component and the activated carbon in alcohol; step c) mixing the solutions in step a) and step b), and pouring and spreading the mixed solution; and step d) drying at a temperature of 40 ℃ to 70 ℃.
Effects of the invention
When a smoker uses a smoking article comprising a flavored sheet according to one aspect of the invention, a greater amount of flavour can be released in the early stages of smoking than in existing smoking articles, the flavour being slowly reduced as the smoking progresses into the later stages, with the effect of continuing to emit flavour.
In addition, the flavoring tablet according to one aspect of the invention effectively reduces the amount of the flavoring components released by the heat source in the preparation process, can retain more flavor, can feel more concentrated flavor for smokers, and has excellent flavoring efficiency.
It is to be understood that the effects of the present invention are not limited to the above-described effects, but include all effects derivable from the constitution described in the detailed description of the present invention or the scope of the claims.
Drawings
FIG. 1 is a graph comparing flavor release (%) of menthol tablets containing activated carbon and menthol tablets not containing activated carbon according to one embodiment of the invention at different times of heating (N) using SPME-GC/MS.
Fig. 2 is a photograph of a perfumed sheet to which 5 wt% of activated carbon was added with respect to the weight (solid portion) of the perfumed sheet.
Fig. 3 is a photograph of a perfumed sheet to which 10 wt% of activated carbon was added with respect to the weight (solid portion) of the perfumed sheet.
Fig. 4 is a photograph of a perfumed sheet to which 15 wt% of activated carbon was added with respect to the weight (solid portion) of the perfumed sheet.
Figure 5 is a diagram schematically illustrating the structure of a smoking article comprising a flavored sheet according to an embodiment of the invention.
Detailed Description
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. It should be understood that various changes may be made to the embodiments and that the scope of the application is not limited to the following examples. All changes made to the embodiments, and equivalents and alternatives thereof, are intended to be within the scope of the invention.
The terminology used in the embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting of scope. Where not specifically stated in the context, singular expressions include plural meanings. In this specification, the terms "comprises" and "comprising" and the like are used to specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
All terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art without other definitions. Terms commonly used as dictionary defined should be understood as meaning in the related art, and should not be interpreted as idealized or excessively formalized meaning without being explicitly defined in the specification.
In the description with reference to the drawings, the same reference numerals are used for the same components irrespective of the reference numerals, and overlapping descriptions are omitted. In describing the embodiments, when it is judged that detailed description of the related art will unnecessarily obscure the embodiments, detailed description thereof will be omitted.
In describing the constituent elements of the embodiment, the terms of first, second, A, B, (a), (b) and the like may be used. These terms are only used to distinguish one component from another and are not used to limit the nature or order of the corresponding components, etc.
When one component has a common function with a component of one embodiment, the same name is used for description in other embodiments. In the case where no mention is made of the contrary, the description of one embodiment can be applied to other embodiments, and a detailed description of the repeated contents may be omitted.
Throughout the specification, a "smoking article" may refer to an article capable of generating an aerosol, such as tobacco (cigarette), cigar or the like. The smoking article may comprise an aerosol-generating substance or an aerosol-forming substrate. In addition, the smoking article may comprise a solid substance based on tobacco raw materials such as lamina, cut filler, reconstituted tobacco, and the like. The smoking material may comprise a volatile compound.
In addition, throughout the specification, "upstream" or "upstream direction" refers to a direction away from the mouth of a user of the smoking article, while "downstream" or "downstream direction" refers to a direction closer to the mouth of the user. For example, in the smoking article 1 shown in fig. 5, the tobacco media portion 10 is located upstream or in the upstream direction of the filter portion 20.
In the present invention, an "aerosol-generating system" may refer to a device that uses an aerosol-generating substrate to generate an aerosol that may be inhaled directly into the lungs through the user's mouth. In aerosol-generating systems, as non-combustion tobacco products that are indirectly heated by electrical energy rather than directly combusted, non-combustion tobacco products include both heating-type and non-heating-type tobacco products, and the present invention is preferably used with heating-type tobacco products. In the case of a heated type tobacco product, which heats ambient air by using electric energy and generates aerosol by inhaling the heated air, a user then ejects the generated aerosol after inhaling the aerosol, thereby completing smoking, for example, a hybrid type aerosol generating device using a liquid cartridge and a cigarette may be included, and in addition, a different type of aerosol generating device may be included, and the scope of the present disclosure is not limited thereto.
An embodiment of the present invention provides a flavored sheet having improved flavor retention, the flavored sheet including a flavor component and activated carbon, the flavor component being present in an amount of 10 to 40% by weight relative to the weight of the flavored sheet.
According to an aspect of the present invention, the flavoring ingredient may impart flavor and/or flavor characteristics, or improve flavor, any flavoring ingredient useful for smoking articles may be used without limitation, for example, may include at least one selected from the group consisting of rosemary, eucalyptol, licorice, sucrose, fructose syrup, ISO sweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, bitter skin, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, citrus oil, catechin, grapefruit, caraway, fresnel, jasmine, chamomile, menthol, cinnamon, ylang-ylang, sage, spearmint, ginger, caraway, and coffee, and preferred examples may include menthol.
As described above, the content of the flavor component is 10 to 40 wt%, 10 to 30 wt%, 10 to 20 wt%, and when the content of the flavor component is within the above range, the durability of the flavor and/or tobacco taste delivered upon smoking can be improved, and not only the concentration can be improved, but also the flavor and/or flavor intensity can be adjusted according to the addition concentration, relative to the weight of the flavored sheet.
On the other hand, when the content of the flavor component is less than 10% by weight, the flavor effect is extremely small, the flavor component is not perceived at the time of smoking, and the expected effect by the activated carbon may not be large.
In addition, when the content of the flavor component exceeds 40% by weight, a complete sheet cannot be produced due to poor physical properties of the sheet at the time of drying the flavored sheet, and the release degree of the flavor component is more intense at the time of smoking in the front stage of smoking due to the limitation of the content of the flavor component which can be retained by the activated carbon and the sheet, and the flavor feeling is greatly different throughout the smoking process.
In general, when an appropriate amount of a fragrance ingredient (for example, 10 to 40% by weight relative to the weight of the perfumed sheet) is added according to the ratio of the entire perfumed sheet raw material, there is a positive effect on both fragrance release and physical properties of the sheet.
Further, the perfumed sheet comprises activated carbon in addition to the perfume ingredients, preferably the content of the activated carbon is 1 to 10% by weight relative to the weight of the perfumed sheet. In the preparation of the conventional flavored sheet, the flavor component is lost from the sheet due to the heat source during the drying of the sheet, so the present inventors have added an appropriate amount of activated carbon as a porous substance having a large surface area and high adsorptivity in the preparation of the flavored sheet, thereby preventing the loss of the flavor component from the sheet, and also continuously releasing the flavor in the later stage of smoking, improving the flavor retention.
On the other hand, when the content of the activated carbon is less than 1% by weight relative to the weight of the flavored sheet, the effect of adding the activated carbon cannot be exhibited, and it is difficult to well retain the fragrance; on the other hand, when the amount exceeds 10 wt%, as shown in fig. 4, the flavored sheet having an activated carbon content of 10 wt% or less is significantly shrunk in the sheet size, and thus is difficult to be included in a filter for a smoking article.
On the other hand, the perfuming sheet according to an embodiment of the invention may be constituted by an adhesive material, which may provide a polymer matrix (matrix) which is flexible and formable into a sheet shape, which may comprise, for example, a cellulose-based polymer, capable of retaining said fragrance ingredient.
Examples of the kind of the cellulose-based polymer may include at least one selected from the group consisting of methyl cellulose, ethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl methyl cellulose, and agar, and preferably may be Methyl Cellulose (MC) and/or hydroxypropyl methyl cellulose (HPMC).
Meanwhile, the content of the cellulose-based polymer constituting the perfuming sheet may be about 20 to 60% by weight with respect to the weight of the perfuming sheet, and when the content of the cellulose-based polymer is less than 20% by weight, it is difficult to make a sheet shape.
On the other hand, when it exceeds 60% by weight, the prepared sheet may be broken or cracked, and the fragrance component in the sheet may not be sufficiently released, and it is difficult to better retain the fragrance. In addition, an increase in the cellulose-based polymer content in the sheet will also result in a decrease in the content of other flavour ingredients, which will also decrease the degree of flavour release.
In addition, according to an embodiment of the present invention, a plasticizer, a filler, other additives, etc., may be added to the perfumed sheet within a range that does not affect the effect of the present invention, and examples of the plasticizer are glycerin, propylene Glycol (PG), etc., and examples of the filler are dextrin, etc.
According to an embodiment of the invention, the thickness of the perfuming sheet may be about 1mm or less, for example, may be 0.1mm to 1mm, 0.2mm to 0.8mm, or 0.3mm to 0.5mm. When the thickness of the flavored sheet exceeds 1mm, the flavor component in the sheet cannot be released well due to the excessive thickness, and the characteristics of the sheet cannot be realized, making it difficult to use in a filter for smoking articles. The perfuming sheet may be a single layer or a plurality of layers.
According to another embodiment of the invention, there is provided a filter for a smoking article made up of one or more segments, at least one of which comprises a flavored sheet.
In another aspect, in a filter for a smoking article according to an embodiment of the invention, one of the plurality of segments thereof may be a cooling filter, an example of which may be a paper tube filter.
At this time, the perfuming sheet may be contained in the paper tube, more specifically, the perfuming sheet may be located at an inner surface or an outer surface of the paper tube, etc., thereby achieving both a cooling effect and a fragrance releasing effect.
In addition, the filter for smoking articles may include a tubular filter, a cellulose acetate filter having a porous matrix structure, or the like, in addition to the paper tube filter.
According to an embodiment of the present invention, there is provided a smoking article comprising a tobacco media portion and a filter portion, the filter portion comprising a flavoured sheet having a flavour ingredient and active carbon, the flavour ingredient being present in an amount of from 10 to 40% by weight relative to the weight of the flavoured sheet.
Wherein the activated carbon may be present in an amount of 1 to 10% by weight relative to the weight of the flavored sheet and the smoking article may be a burning tobacco or a non-burning e-cigarette.
According to another embodiment of the present invention, there is provided a method for preparing a flavored sheet, comprising: step a), mixing water and a cellulose-based polymer; step b), mixing the fragrance component and the activated carbon in alcohol; step c) mixing the solutions in step a) and step b), and pouring and spreading the mixed solution; and step d) drying at a temperature of 40 ℃ to 70 ℃.
The drying temperature may be not only 40 to 70 ℃, but also 40 to 60 ℃, preferably 50 ℃.
The filter for smoking articles, and the method for producing the flavored sheet are substantially the same as the flavored sheet, and therefore, detailed description thereof will be omitted.
The structure of the present invention and its effects will be described in more detail below with reference to examples and comparative examples. However, these examples are used to illustrate the present invention in more detail, and the scope of the present invention is not limited to these examples.
Examples
Example 1 (preparation of activated carbon menthol tablets)
The inventors performed experiments using the following methods 1) to 5) to prepare a flavored sheet.
1) Dextrin was added to a beaker with water and stirred until the dextrin dissolved.
2) Then, methylcellulose is added to the solution and stirred until the methylcellulose is completely dissolved.
3) Menthol is added to another beaker containing alcohol and dissolved, then activated carbon is added and stirred for about 5 to 10 minutes to allow the activated carbon to absorb menthol.
4) Slowly adding the solution soaked with the activated carbon into the solution containing the methyl cellulose, and stirring until the solution is fully mixed.
5) Pouring a proper amount of the solution mixed in the step 4) on release paper, thinning the solution by an Applicator (Applicator), and then putting the solution into a baking oven at about 50 ℃ to dry for about 1 hour to obtain the menthol flavored tablet containing the active carbon.
Comparative example 1 (preparation of menthol tablets)
The present inventors obtained menthol tablets in the same manner as in example 1 (method for producing an active carbon menthol tablet) except that no active carbon was added.
Measuring the amount of fragrance released based on the number of heats
The previously prepared perfumed sheets of example 1 and comparative example 1 were each heated 20 times using SPME-GC/MS to confirm the degree of release of menthol, and the results are shown in fig. 1.
From this, it was confirmed that the menthol sheet of comparative example 1, to which no activated carbon was added, exhibited a tendency that the menthol amount was drastically reduced in the initial stage and the menthol amount was remarkably reduced in the later stage.
In contrast, the menthol patch containing activated carbon of example 1 releases more menthol in the front stage and then tends to continue and decrease slowly in the rear stage, as compared to the menthol patch of comparative example 1, to which no activated carbon was added.
From the above results, the menthol patch added with activated carbon has the effect of preventing menthol from being released out of the sheet by the heat source when the stock solution is dried in the sheet manufacturing process, and when the menthol patch is prepared into a flavored sheet, not only a larger amount of menthol can be retained, but also a smoker can feel stronger flavor in the smoking front stage under the action of the activated carbon.
Sheet physical Properties based on active carbon content
Menthol tablets having contents of 5 wt%, 10 wt% and 15 wt% of activated carbon, respectively, relative to the weight of the flavored tablet (solid portion) were prepared in the same manner as in example 1, and the results are shown in fig. 2 to 4.
As shown in fig. 2 to 4, the sheet (fig. 4) added with 15 wt% of activated carbon has a greater degree of shrinkage in shape than the sheet (fig. 2 and/or 3) added with 5 wt% and/or 10 wt% of activated carbon, which means that when the activated carbon content exceeds 10 wt%, the content of cellulose and other solids such as dextrin decreases as the content of activated carbon increases, resulting in incomplete shape of the sheet, i.e., addition of 10 wt% or less of activated carbon is more advantageous for the preparation of a flavored sheet.
In summary, the embodiments are described with limited figures, and a person of ordinary skill in the art can make various modifications and variations based on the description. For example, the described techniques may be performed in a different order than the described methods, and/or the described components may be combined or combined in a different manner than the described methods, or substituted or replaced with other components or equivalents, as appropriate.
Therefore, other implementations, other embodiments, and equivalents of the claims appended hereto are intended to be within the scope of the claims.

Claims (12)

1. A flavored sheet having improved flavor retention, characterized in that,
the flavored sheet comprises a flavor component and activated carbon,
the content of the fragrance component is 10 to 40% by weight relative to the weight of the perfumed sheet.
2. A flavored sheet having improved flavor retention as defined in claim 1,
the content of the activated carbon is 1 to 10% by weight relative to the weight of the perfumed sheet.
3. A flavored sheet having improved flavor retention as defined in claim 1,
the flavor component comprises at least one selected from the group consisting of rosemary, eucalyptol, licorice, sucrose, fructose syrup, ISO sweetener, cocoa, lavender, cinnamon, cardamom, celery, fenugreek, bitter skin, sandalwood, bergamot, geranium, honey essence, rose oil, vanilla, lemon oil, orange oil, peppermint oil, citrus oil, catechin, grapefruit, caraway, coriander brandy, jasmine, chamomile, menthol, cinnamon, ylang, sage, spearmint, ginger, caraway, and coffee.
4. A flavored sheet having improved flavor retention as defined in claim 1,
the flavour ingredient comprises menthol.
5. A flavored sheet having improved flavor retention as defined in claim 1,
the flavored sheet includes a cellulose-based polymer.
6. A flavored sheet having improved flavor retention as defined in claim 5,
the cellulose-based polymer includes at least one selected from the group consisting of methyl cellulose, ethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl methyl cellulose, and agar.
7. A filter for smoking articles, comprising at least one segment, characterized in that,
at least one of the more than one segments comprises a perfuming tablet according to claim 1.
8. A filter for a smoking article according to claim 7, wherein,
the filter for a smoking article comprises a paper tube,
the perfuming sheet is contained in the paper tube.
9. A smoking article comprising a tobacco media portion and a filter portion, characterized in that,
the filter part comprises a perfuming sheet with fragrance components and active carbon,
the content of the fragrance component is 10 to 40% by weight relative to the weight of the perfumed sheet.
10. The smoking article of claim 9, wherein the smoking article comprises a porous material,
the content of the activated carbon is 1 to 10% by weight relative to the weight of the perfumed sheet.
11. The smoking article of claim 9, wherein the smoking article comprises a porous material,
the smoking article is a burning tobacco or a non-burning electronic cigarette.
12. A method for preparing a flavored sheet is characterized in that,
the perfumed sheet is a perfumed sheet according to claim 1,
the preparation method of the flavored sheet comprises the following steps:
step a), mixing water and a cellulose-based polymer;
step b), mixing the fragrance component and the activated carbon in alcohol;
step c) mixing the solutions in step a) and step b), and pouring and spreading the mixed solution; and
step d) drying is carried out at a temperature of 40℃to 70 ℃.
CN202380012020.8A 2022-07-26 2023-06-01 Flavored sheet comprising activated carbon, filter comprising same, and smoking article Pending CN117769363A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020220092547A KR20240014863A (en) 2022-07-26 2022-07-26 Flavor sheet comprising active carbon, filter and smoking article comprising the same
KR10-2022-0092547 2022-07-26
PCT/KR2023/007484 WO2024025121A1 (en) 2022-07-26 2023-06-01 Flavor sheet comprising activated carbon, filter comprising same, and smoking product

Publications (1)

Publication Number Publication Date
CN117769363A true CN117769363A (en) 2024-03-26

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CN202380012020.8A Pending CN117769363A (en) 2022-07-26 2023-06-01 Flavored sheet comprising activated carbon, filter comprising same, and smoking article

Country Status (4)

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EP (1) EP4338606A1 (en)
KR (1) KR20240014863A (en)
CN (1) CN117769363A (en)
WO (1) WO2024025121A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8157918B2 (en) * 2005-09-30 2012-04-17 Philip Morris Usa Inc. Menthol cigarette
US20070267033A1 (en) * 2006-02-09 2007-11-22 Philip Morris Usa Inc. Gamma cyclodextrin flavoring-release additives
EP2462820A1 (en) * 2010-12-10 2012-06-13 Philip Morris Products S.A. Smoking article having outer wrapper with cut-out portion
CA3028943C (en) * 2016-07-01 2021-05-04 Japan Tobacco Inc. Flavor inhaler and method of manufacturing combustion type heat source
CN109691697B (en) * 2019-03-01 2021-07-30 南通醋酸纤维有限公司 Aerosol generating product, preparation method and application

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WO2024025121A1 (en) 2024-02-01
EP4338606A1 (en) 2024-03-20

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