CN113201976A - Cigarette paper - Google Patents

Cigarette paper Download PDF

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Publication number
CN113201976A
CN113201976A CN202110454456.5A CN202110454456A CN113201976A CN 113201976 A CN113201976 A CN 113201976A CN 202110454456 A CN202110454456 A CN 202110454456A CN 113201976 A CN113201976 A CN 113201976A
Authority
CN
China
Prior art keywords
tobacco
biomass charcoal
cigarette paper
composite particles
extract
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110454456.5A
Other languages
Chinese (zh)
Inventor
段鹍
文秋成
王宝林
姚倩
马胜涛
李龙飞
刘欢
王鹏飞
胡少东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Henan Industrial Co Ltd
Original Assignee
China Tobacco Henan Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Tobacco Henan Industrial Co Ltd filed Critical China Tobacco Henan Industrial Co Ltd
Priority to CN202110454456.5A priority Critical patent/CN113201976A/en
Publication of CN113201976A publication Critical patent/CN113201976A/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18Paper- or board-based structures for surface covering
    • D21H27/22Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00Cigars; Cigarettes
    • A24D1/02Cigars; Cigarettes with special covers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/02Material of vegetable origin
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/71Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52Additives of definite length or shape

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

The invention relates to cigarette paper which is prepared by adding tobacco stem biomass charcoal composite particles into conventional cigarette paper pulp, wherein the tobacco stem biomass charcoal composite particles are composite particles prepared from biomass charcoal prepared from tobacco stems and attachments attached to pores of the tobacco stem biomass charcoal; the attachment is tobacco extract and/or essence. According to the technical scheme, the tobacco stem biomass charcoal composite particles are added into the conventional paper pulp for producing the cigarette paper, the tobacco stem biomass charcoal has certain similarity with the combustion of tobacco shreds in the combustion process, the combustion time of the tobacco stem biomass charcoal can be prolonged and is matched with the combustion of the tobacco shreds in the cigarette, and the functional essence and spice or the tobacco extract of the cigarette paper is released by adding the internal attachments by utilizing the porous property of the tobacco stem biomass charcoal, so that the manufacturing cost of the cigarette paper is not increased, and the combustion performance of the cigarette paper is not reduced although the functional essence and spice is added.

Description

Cigarette paper
Technical Field
The invention belongs to the technical field of cigarette paper preparation, and particularly relates to cigarette paper.
Background
The low tar and low harm cigarette becomes the mainstream of cigarette development, and only after the cigarette taste compensation technology is realized, the tar can be reduced, meanwhile, higher smoking quality can be obtained, and the quality and the characteristics of the original product can be maintained.
The cigarette paper is used as an auxiliary material of the cigarette, and not only plays a role in wrapping tobacco shreds, participating in combustion and adjusting the release amount of carbon monoxide and tar. Compared with the high-temperature oxygen-poor state when the tobacco shreds are burnt, the cigarette paper is positioned at the periphery of a cigarette, the burning temperature is lower, and oxygen is sufficient, so that the burning speed is too high, the tobacco shreds are easy to fall off, the burning temperature of the cigarette paper is low, the effective transfer of functional aroma components can be realized, and the generation of harmful components is reduced.
At present, for example, cigarette flavoring technologies such as an inclusion compound flavoring technology, a microcapsule flavoring technology, a microporous polymer flavoring technology, an adsorbent flavoring technology and the like are all carried out in tobacco shreds or filter sticks, so that the production cost is high, the volatilization is easy, the retention of functional aroma cannot be lasting, and the like.
The prior art also proposes that the cigarette is flavored by functional flavoring on the cigarette paper, but the functional flavoring, or functional flavoring inclusion compound, functional flavoring microcapsule and the like are adhered to the outer surface of the cigarette paper by a coating mode outside the prepared cigarette paper.
Disclosure of Invention
The invention aims to provide cigarette paper, which solves the problems that the production cost is increased, the combustion performance is reduced and the functional essence and spice is easy to fall off from the cigarette paper due to the fact that the functional essence and spice is coated on the cigarette paper in the prior art.
In order to realize the purpose, the invention is realized by the following technical scheme:
a cigarette paper is prepared by adding tobacco stem biomass charcoal composite particles into conventional cigarette paper pulp, wherein the tobacco stem biomass charcoal composite particles are composite particles prepared from biomass charcoal prepared from tobacco stems and attachments attached to pores of the tobacco stem biomass charcoal;
the attachment is tobacco extract and/or essence.
Furthermore, the composite particles of the tobacco stalk and the biomass charcoal account for 0.1 to 5 percent of the weight of the cigarette paper.
Furthermore, the weight of the tobacco stalk biomass charcoal composite particles is 1-3% of the weight of the cigarette paper.
Furthermore, the weight percentage of attachments in the tobacco stalk biomass charcoal composite particles is 1-3%.
Further, the tobacco extract is extracted from more than one of tobacco leaves, tobacco fragments, tobacco powder, tobacco stems or tobacco straws; the flavors and fragrances include, but are not limited to, one or more of tobacco extract, tobacco absolute, tobacco flavor and fragrance, fruit flavor extract or flower extract.
Further, when the attachments are the tobacco extract and the essence and flavor, the weight ratio of the tobacco extract to the essence and flavor is (0-10): (0-10).
Further, the preparation method of the tobacco stalk biomass charcoal comprises the following steps:
1) preparing tobacco stalks into tobacco stalk biomass charcoal;
2) diluting the attachment used for immersing into the tobacco stalk biomass charcoal by 10-50 times to obtain an attachment solution, spraying the attachment solution on the tobacco stalk biomass charcoal, and then spraying Peru extract accounting for 0.1-1% of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.1-1% of the weight of the tobacco stalk biomass charcoal on the tobacco stalk biomass charcoal, wherein the weight ratio of the attachment to the tobacco stalk biomass charcoal is (1-3): (99-97);
3) crushing the tobacco stalk biomass charcoal obtained in the step 2) by using a disc particle leaning machine, and then screening to obtain the tobacco stalk biomass charcoal composite particles.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the tobacco stem biomass charcoal composite particles are added into the conventional paper pulp for producing the cigarette paper, the tobacco stem biomass charcoal has certain similarity with the combustion of tobacco shreds in the combustion process, the combustion time of the tobacco stem biomass charcoal can be prolonged and is matched with the combustion of the tobacco shreds in the cigarette, and the functional essence and spice or the tobacco extract of the cigarette paper is released by adding the internal attachments by utilizing the porous property of the tobacco stem biomass charcoal, so that the manufacturing cost of the cigarette paper is not increased, and the combustion performance of the cigarette paper is not reduced although the functional essence and spice is added.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
The tobacco stalk biomass charcoal used in the present application is prepared by using tobacco stalks in a high-temperature low-oxygen environment, and the preparation method of the tobacco stalk biomass charcoal in the present application is a conventional technology, and a detailed description thereof is omitted, and all the tobacco stalk biomass charcoal prepared by the method for preparing the tobacco stalk biomass charcoal is suitable for the present invention.
The tobacco extract is prepared by extracting tobacco leaves, tobacco fragments, tobacco powder, tobacco stems or tobacco stalks and the like. In the technical scheme of the application, the essence and the spice are the essences and spices conventionally used in the existing cigarettes, such as more than one of tobacco extract, tobacco absolute oil, tobacco flavor essence and spice, fruit flavor extract or flower extract.
In the present application, any fixative conventionally used may be used, including, for example, but not limited to peru resin, benzoin esters, vanillin, coumarin, acetyl eugenol, benzyl benzoate, and the like.
In the embodiments of the present application, the used apparatus, instruments, reagents, or the like are commercially available unless otherwise specified.
In the cigarette paper, only the tobacco straw biomass charcoal composite particles are added into paper pulp and uniformly stirred before papermaking, and the rest is the same as the manufacturing process of the existing cigarette paper.
In the following examples of the present application, the differences are only the amount of the composite particles of tobacco stalk biomass charcoal added to the pulp and the amount or kind of the attachments in the composite particles of tobacco stalk biomass charcoal, and the rest are the same.
Examples of the production of the tobacco stalk biomass charcoal composite particles are shown in production examples 1 to 5 below.
Preparation example 1
The preparation method of the tobacco stalk biomass charcoal composite particles comprises the following steps:
1) preparing tobacco straws into tobacco straw biomass charcoal.
2) Preparing tobacco extract from tobacco fragments by extraction method.
3) Diluting 3 g of the tobacco extract prepared in the step 2) by 10 times, preparing a tobacco extract solution, spraying the tobacco extract solution on 97 g of tobacco stalk biomass charcoal, and spraying Peru extract accounting for 0.1 percent of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.1 percent of the weight of the tobacco stalk biomass charcoal on the tobacco stalk biomass charcoal.
4) Crushing the tobacco stalk biomass charcoal obtained in the step 3) by using a disc granulator, and then sieving to obtain 20-50-mesh tobacco stalk biomass charcoal composite particles P1.
Preparation example 2
The preparation method of the tobacco stalk biomass charcoal composite particles comprises the following steps:
1) preparing tobacco straws into tobacco straw biomass charcoal.
2) Preparing tobacco extract from tobacco fragments by extraction method.
3) Diluting 1 g of the tobacco extract prepared in the step 2) by 50 times to prepare a tobacco extract solution, spraying the tobacco extract solution on 99 g of tobacco stalk biomass charcoal, and spraying Peru extract accounting for 0.1 percent of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.1 percent of the weight of the tobacco stalk biomass charcoal on the tobacco stalk biomass charcoal.
4) Crushing the tobacco stalk biomass charcoal obtained in the step 3) by using a disc granulator, and then sieving to obtain 20-50-mesh tobacco stalk biomass charcoal composite particles P2.
Preparation example 3
The preparation method of the tobacco stalk biomass charcoal composite particles comprises the following steps:
1) preparing tobacco straws into tobacco straw biomass charcoal.
2) Preparing tobacco extract from tobacco stems by an extraction method.
3) Mixing the tobacco extract prepared in the step 2) with the essence and the spice according to the weight ratio of 1:1, diluting the mixture by 20 times, preparing an adsorbate solution, spraying the adsorbate solution onto 97 g of tobacco stalk biomass charcoal, and spraying Peru extract accounting for 0.1% of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.5% of the weight of the tobacco stalk biomass charcoal onto the tobacco stalk biomass charcoal.
4) Crushing the tobacco stalk biomass charcoal obtained in the step 3) by using a disc granulator, and then sieving to obtain 20-50-mesh tobacco stalk biomass charcoal composite particles P3.
Preparation example 4
The preparation method of the tobacco stalk biomass charcoal composite particles comprises the following steps:
1) preparing tobacco straws into tobacco straw biomass charcoal.
2) Preparing tobacco extract from tobacco powder by extraction method.
3) Mixing the tobacco extract prepared in the step 2) with the essence and the spice according to the weight ratio of 1:2, diluting the mixture by 25 times, preparing an adsorbate solution, spraying the adsorbate solution onto 98 g of tobacco stalk biomass charcoal, and spraying Peru extract accounting for 0.1% of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.5% of the weight of the tobacco stalk biomass charcoal onto the tobacco stalk biomass charcoal.
4) Crushing the tobacco stalk biomass charcoal obtained in the step 3) by using a disc granulator, and then sieving to obtain 20-50-mesh tobacco stalk biomass charcoal composite particles P4.
Preparation example 5
The preparation method of the tobacco stalk biomass charcoal composite particles comprises the following steps:
1) preparing tobacco straws into tobacco straw biomass charcoal.
2) Selecting 3 g of essence perfume, diluting by 30 times, preparing an adsorbate solution, spraying the adsorbate solution onto 97 g of tobacco stalk biomass charcoal, and spraying Peru extract accounting for 0.1% of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 1% of the weight of the tobacco stalk biomass charcoal onto the tobacco stalk biomass charcoal.
3) Crushing the tobacco stalk biomass charcoal obtained in the step 2) by using a disc granulator, and then sieving to obtain 20-50-mesh tobacco stalk biomass charcoal composite particles P5.
Example 1
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P1 into paper pulp, wherein P1 accounts for 3% of the weight of the cigarette paper.
Example 2
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P1 into paper pulp, wherein P1 accounts for 1% of the weight of the cigarette paper.
Example 3
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P1 into paper pulp, wherein P1 is 2% of the weight of the cigarette paper.
Example 4
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P2 into paper pulp, wherein P2 accounts for 3% of the weight of the cigarette paper.
Example 5
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P2 into paper pulp, wherein P2 accounts for 1% of the weight of the cigarette paper.
Example 6
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P2 into paper pulp, wherein P2 is 2% of the weight of the cigarette paper.
Example 7
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P3 into paper pulp, wherein P3 accounts for 3% of the weight of the cigarette paper.
Example 8
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P3 into paper pulp, wherein P3 is 2% of the weight of the cigarette paper.
Example 9
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P3 into paper pulp, wherein P3 accounts for 1% of the weight of the cigarette paper.
Example 10
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P4 into paper pulp, wherein P4 accounts for 3% of the weight of the cigarette paper.
Example 11
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P4 into paper pulp, wherein P4 is 2% of the weight of the cigarette paper.
Example 12
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P4 into paper pulp, wherein P4 accounts for 1% of the weight of the cigarette paper.
Example 13
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P5 into paper pulp, wherein P5 accounts for 3% of the weight of the cigarette paper.
Example 14
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P5 into paper pulp, wherein P5 is 2% of the weight of the cigarette paper.
Example 15
A cigarette paper is prepared by adding tobacco straw biomass charcoal composite particles P5 into paper pulp, wherein P5 accounts for 1% of the weight of the cigarette paper.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.

Claims (7)

1. A cigarette paper is characterized in that the cigarette paper is prepared by adding tobacco stem biomass charcoal composite particles into conventional cigarette paper pulp, wherein the tobacco stem biomass charcoal composite particles are composite particles prepared from biomass charcoal prepared from tobacco stems and attachments attached to pores of the tobacco stem biomass charcoal;
the attachment is tobacco extract and/or essence.
2. The cigarette paper according to claim 1, wherein the tobacco straw biomass charcoal composite particles are 0.1% -5% by weight of the cigarette paper.
3. The cigarette paper according to claim 1, wherein the tobacco straw biomass charcoal composite particles are 1% -3% by weight of the cigarette paper.
4. The cigarette paper according to claim 1, wherein the attachment is 1-3% by weight of the cigarette straw biomass charcoal composite particles.
5. The rolling paper according to claim 1, wherein the tobacco extract is extracted from one or more of tobacco leaves, tobacco fragments, tobacco dust, tobacco stems or tobacco stalks; the flavors and fragrances include, but are not limited to, one or more of tobacco extract, tobacco absolute, tobacco flavor and fragrance, fruit flavor extract or flower extract.
6. The cigarette paper according to claim 5, wherein when the attachment is a tobacco extract and a flavor, the weight ratio of the tobacco extract to the flavor is (0-10): (0-10).
7. The cigarette paper according to claim 1, wherein the preparation method of the cigarette straw biomass charcoal composite particles comprises the following steps:
1) preparing tobacco stalks into tobacco stalk biomass charcoal;
2) diluting the attachment used for immersing into the tobacco stalk biomass charcoal by 10-50 times to obtain an attachment solution, spraying the attachment solution on the tobacco stalk biomass charcoal, and then spraying Peru extract accounting for 0.1-1% of the weight of the tobacco stalk biomass charcoal and a fixative accounting for 0.1-1% of the weight of the tobacco stalk biomass charcoal on the tobacco stalk biomass charcoal, wherein the weight ratio of the attachment to the tobacco stalk biomass charcoal is (1-3): (99-97);
3) crushing the tobacco stalk biomass charcoal obtained in the step 2) by using a disc particle leaning machine, and then screening to obtain the tobacco stalk biomass charcoal composite particles.
CN202110454456.5A 2021-04-26 2021-04-26 Cigarette paper Pending CN113201976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110454456.5A CN113201976A (en) 2021-04-26 2021-04-26 Cigarette paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110454456.5A CN113201976A (en) 2021-04-26 2021-04-26 Cigarette paper

Publications (1)

Publication Number Publication Date
CN113201976A true CN113201976A (en) 2021-08-03

Family

ID=77028677

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110454456.5A Pending CN113201976A (en) 2021-04-26 2021-04-26 Cigarette paper

Country Status (1)

Country Link
CN (1) CN113201976A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060773A (en) * 1990-10-22 1992-05-06 金伯利-克拉克公司 Flavor release material
US5228464A (en) * 1991-02-19 1993-07-20 P. H. Glatfelter Company Wrapper for smoking article, smoking article, and method of making same, case VIII
US20070204869A1 (en) * 2004-02-27 2007-09-06 British American Tobacco (Investments ) Limited Smoking Article And Apparatus And Process For Manufacturing A Smoking Article
CN110101131A (en) * 2019-06-26 2019-08-09 红云红河烟草(集团)有限责任公司 A kind of Novel heating does not burn cigarette
CN110924234A (en) * 2019-11-25 2020-03-27 浙江华丰纸业科技有限公司 Printing two-section cigarette paper and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060773A (en) * 1990-10-22 1992-05-06 金伯利-克拉克公司 Flavor release material
US5228464A (en) * 1991-02-19 1993-07-20 P. H. Glatfelter Company Wrapper for smoking article, smoking article, and method of making same, case VIII
US20070204869A1 (en) * 2004-02-27 2007-09-06 British American Tobacco (Investments ) Limited Smoking Article And Apparatus And Process For Manufacturing A Smoking Article
CN110101131A (en) * 2019-06-26 2019-08-09 红云红河烟草(集团)有限责任公司 A kind of Novel heating does not burn cigarette
CN110924234A (en) * 2019-11-25 2020-03-27 浙江华丰纸业科技有限公司 Printing two-section cigarette paper and preparation method thereof

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Application publication date: 20210803

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