WO2015141919A1 - Composition de revêtement de papier à cigarette peu inflammable, papier à cigarette peu inflammable comprenant celle-ci, et cigarette comprenant celui-ci - Google Patents

Composition de revêtement de papier à cigarette peu inflammable, papier à cigarette peu inflammable comprenant celle-ci, et cigarette comprenant celui-ci Download PDF

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Publication number
WO2015141919A1
WO2015141919A1 PCT/KR2014/009698 KR2014009698W WO2015141919A1 WO 2015141919 A1 WO2015141919 A1 WO 2015141919A1 KR 2014009698 W KR2014009698 W KR 2014009698W WO 2015141919 A1 WO2015141919 A1 WO 2015141919A1
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WO
WIPO (PCT)
Prior art keywords
cigarette
coating composition
starch
coating
solid
Prior art date
Application number
PCT/KR2014/009698
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English (en)
Inventor
Man Seok Seo
Jong Yeol Kim
Hyun Suk Cho
Original Assignee
Kt & G Corporation
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 Kt & G Corporation filed Critical Kt & G Corporation
Publication of WO2015141919A1 publication Critical patent/WO2015141919A1/fr

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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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/28—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch

Definitions

  • a coating composition of a low ignition propensity cigarette paper, a low ignition propensity cigarette paper including the same, and a cigarette including the same are disclosed.
  • a cut tobacco leaf is manufactured by cutting processed leaf tobacco, and the cut tobacco leaf is rolled by a cigarette paper to manufacture a cigarette having no filter.
  • a filter is attached to the cigarette having no filter.
  • the cigarette filter may include activated carbon, flavoring materials, and the like, and may be formed as a mono-filter or a multi-filter. Further, the cigarette filter is surrounded by a cigarette filter wrapping paper. The cut tobacco leaf and the cigarette filter are connected by a tipping paper, and the tipping paper may include fine holes.
  • the cigarette paper is manufactured so that a target tar amount and a target nicotine amount are implemented while smoking by appropriate porosity and burning property, and may be manufactured to provide intrinsic smoking flavor of the cigarette.
  • the cigarette paper may be made of flax, wood pulp, or the like.
  • a material such as a starch is coated in a band form on a low ignition propensity cigarette paper, and since porosity of the coated band is low, if burning of the cigarette reaches a band portion, an amount of oxygen flowing into the cut tobacco leaf may decrease, which extinguishes the cigarette.
  • An exemplary embodiment is to have physical properties such as a rheology property and surface energy of a coating solution suitable for high-speed on-line coating of the low ignition propensity cigarette paper.
  • An exemplary embodiment is to have an excellent low ignition propensity property.
  • an exemplary embodiment of the present invention may be used for implementing other objects that are not mentioned in detail.
  • An exemplary embodiment provides a coating composition of a low ignition propensity cigarette paper, including: a solid including at least one of a starch, a starch derivative, a gum, a gum derivative, or a polymer; ethanol; and water.
  • a content of the solid in the coating composition may be more than about 27 wt% and less than about 38 wt%.
  • Storage elasticity of the coating composition may be about 150 dyne/cm 2 to about 600 dyne/cm 2 at room temperature.
  • a ratio (loss elasticity/storage elasticity) of loss elasticity to the storage elasticity of the coating composition may be about 0.8 to about 2.0.
  • Surface energy of the coating composition may be about 25 mN/m to about 40 mN/m.
  • the solid may include pregelatinized corn starch and maltodextrin.
  • the solid may include at least one of a potato starch, a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • a potato starch a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • An exemplary embodiment provides a low ignition propensity cigarette paper including a coating portion including a solid including at least one of a starch, a starch derivative, a gum, a gum derivative, or a polymer.
  • Surface energy of the coating portion may be about 75 mN/m to about 85 mN/m.
  • the solid may include a pregelatinized corn starch and maltodextrin.
  • a weight ratio (pregelatinized starch:maltodextrin) of the pregelatinized corn starch and maltodextrin in the solid may be about 1:0.5 to about 1:8.0.
  • the solid may include at least one of a potato starch, a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • a potato starch a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • An exemplary embodiment provides a cigarette including a cigarette column portion, and a low ignition propensity cigarette paper surrounding the cigarette column portion and including a coating portion.
  • the coating portion may include a solid including at least one of a starch, a starch derivative, a gum, a gum derivative, or a polymer.
  • Surface energy of the coating portion may be about 75 mN/m to about 85 mN/m.
  • the solid may include a pregelatinized corn starch and maltodextrin.
  • a weight ratio (pregelatinized starch:maltodextrin) of the pregelatinized corn starch and maltodextrin in the solid may be about 1:0.5 to about 1:8.0.
  • the solid may include at least one of a potato starch, a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • a potato starch a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, or an acryl resin.
  • Burning strength of the cigarette may be about 75 % or more.
  • Free air self-extinguishment (FASE) of the cigarette may be about 5 % to about 50 %.
  • An exemplary embodiment may have physical properties such as a rheology property and surface energy of a coating solution suitable for high-speed on-line coating of the low ignition propensity cigarette paper, and may have an excellent low ignition propensity property.
  • FIG. 1 is a perspective view schematically illustrating a cigarette according to an exemplary embodiment.
  • FIG. 2 is a cross-sectional view schematically illustrating the cigarette according to the exemplary embodiment.
  • FIG. 3 is a cross-sectional view schematically illustrating the cigarette according to the exemplary embodiment.
  • FIG. 4 is a graph illustrating storage elasticity (G') of each coating composition used in Examples 1 to 3.
  • FIG. 5 is a graph illustrating a loss elasticity/storage elasticity (G''/G') of each coating composition used in Examples 1 to 3.
  • FIG. 6 is a graph illustrating the storage elasticity (G'), the loss elasticity (G''), and the loss elasticity/storage elasticity (G''/G') of the coating composition used in Example 1.
  • FIG. 7 is a graph illustrating the storage elasticity (G'), the loss elasticity (G''), and the loss elasticity/storage elasticity (G''/G') of the coating composition used in Example 2.
  • FIG. 8 is a graph illustrating the storage elasticity (G'), the loss elasticity (G''), and the loss elasticity/storage elasticity (G''/G') of the coating composition used in Example 3.
  • a low ignition propensity cigarette paper and a cigarette according to an exemplary embodiment will be described in detail with reference to FIGS. 1 to 3.
  • FIG. 1 is a perspective view schematically illustrating the cigarette according to an exemplary embodiment
  • FIG. 2 is a cross-sectional view schematically illustrating the cigarette according to the exemplary embodiment
  • FIG. 3 is a cross-sectional view schematically illustrating the cigarette according to the exemplary embodiment.
  • a cigarette 1 includes a cigarette column portion 10 burnt by fire and a cigarette filter portion 20 filtering cigarette smoke.
  • the cigarette column portion 10 may be surrounded by a cigarette paper 19, and the cigarette filter portion 20 may be surrounded by a cigarette filter wrapping paper 28.
  • the cigarette column portion 10 and the cigarette filter portion 20 may be connected by a tipping paper 29.
  • a circumference of the cigarette may be about 5 mm to about 30 mm.
  • the cigarette filter portion 20 may be omitted.
  • the cigarette column portion 10 includes a cut tobacco leaf 11 cut from leaf tobacco processed by various methods.
  • the cigarette filter portion 20 may include a first filter portion 21.
  • the first filter portion 21 may be formed of an acetate tow, a paper, or the like.
  • the cigarette filter portion 20 may be a multi-filter including two or more filter members.
  • the cigarette filter portion 20 may include a second filter portion 22 and a third filter portion 23.
  • the cigarette filter portion 20 may include three filter members or four filter members.
  • the cigarette filter portion 20 may include an adsorbent, a flavoring agent, or the like.
  • the adsorbent may be activated carbon or the like, and the flavoring agent may be a herb fragrance material or the like.
  • one or more filter members may include at least one of the adsorbent and the flavoring agent.
  • at least one of the second filter portion 22 and the third filter portion 23 may include at least one of the adsorbent or the flavoring agent.
  • the cigarette paper 19 includes one or more coating portions 18.
  • the coating portion 18 may have a band shape, but may have various shapes in addition to this.
  • the number, the width, the thickness, and the shape of the coating portion 18 may be variously changed, and an interval between a plurality of coating portions 18 may be variously changed.
  • the coating portion 18 may reduce porosity of the cigarette paper 19, and thus if burning of the cigarette reaches the coating portion 18, an amount of oxygen flowing into the cigarette column portion 10 may decrease to extinguish the cigarette 1.
  • the cigarette paper 19 may include the coating portion 18, which may be called the low ignition propensity cigarette paper.
  • Surface energy of the coating portion may be about 75 to 85 mN/m.
  • a coating layer of the cigarette paper may be stabilized and oxygen inflow by the coating layer may decrease to improve burning strength.
  • the coating composition is coated on the coating portion 18.
  • porosity of the cigarette paper 19 may be about 120 cu or less, and porosity of the coating portion 18 may be about 5 cu to about 20 cu.
  • a thickness of a base paper of the cigarette paper may be about 30 ⁇ m to about 100 ⁇ m, and a basis weight of the base paper may be about 15 g/m 2 to about 60 g/m 2 .
  • the thickness of the coating portion 18 may be about 5 ⁇ m or less, and the basis weight of the coating portion 18 may be about 20 g/m 2 or less.
  • a ratio of a weight of the coating composition to the total weight of the cigarette paper 19 and the coating composition may be about 40 wt% or less. In the case where the coating portion 18 has a band shape, a mass of the coating composition per one band may be about 2.5 mg or less.
  • the coating composition may include a solid including at least one of a starch, a starch derivative, a gum, a gum derivative, or a polymer, ethanol, or water.
  • the solid may include a pregelatinized starch and maltodextrin.
  • the pregelatinized starch may be a pregelatinized corn starch.
  • the solid may include at least one of a potato starch, a corn starch, a tapioca starch, a guar gum, a dammar gum, a polylatic acid (PLA) resin, and an acryl resin.
  • PHA polylatic acid
  • the pregelatinized starch may be manufactured by rapidly drying a raw starch at high temperatures, and this treatment is called pregelatinization treatment.
  • the pregelatinized starch may be manufactured by heating a raw starch solution of about 40 % at about 100 °C or more and then rapidly drying the raw starch solution.
  • the raw starch has a high viscosity property at low concentrations, is not dispersed or dissolved in cold water, and may be solidified due to a rapid aging phenomenon.
  • the pregelatinized starch does not have a high viscosity property at low concentrations, is easily dispersed or dissolved in cold water, and an aging phenomenon may be delayed. Accordingly, the pregelatinized starch may improve workability of a coating process.
  • the pregelatinized starch may be amylopectin.
  • Amylopectin is a slightly soluble component from which soluble amylose is removed, has a net-shaped structure, and may have a property of forming a soft film. Accordingly, amylopectin may have smoothness that is strong to external impact.
  • the pregelatinized starch may be used in a content of about 3 wt% to about 20 wt% based on the total coating composition, and when the pregelatinized starch is used in the aforementioned range, workability of the coating process may be improved.
  • Maltodextrin may effectively reduce an aging speed of the pregelatinized starch.
  • Maltodextrin has excellent film forming performance and drying ability, high solubility, and a low molecular weight, and thus is advantageous in terms of permeation to inside of the cigarette paper. Since maltodextrin may be dissolved in ethanol, in the case where maltodextrin is used together with ethanol, maltodextrin may reduce a viscosity of the coating composition. Further, maltodextrin may increase bonding force between constitutional components of the coating composition. Maltodextrin may be used in a content of about 5 wt% to about 40 wt% based on the total coating composition. When maltodextrin is used in the aforementioned range, film forming performance and drying ability may be improved.
  • a solid content of the coating composition may be increased, and the viscosity of the pregelatinized starch may be reduced and be maintained.
  • Table 1 describes a change in viscosity of the coating composition according to an ethanol content based on the total coating composition.
  • ethanol may increase a usable period of the coating composition.
  • Ethanol may improve drying efficiency of moisture of the coating composition, and ethanol may prevent a reduction in strength according to absorption of moisture of the cigarette paper.
  • Ethanol may be used in a content of about 10 wt% to about 40 wt% based on the total coating composition. When ethanol is used in the aforementioned range, the viscosity of the coating composition may be effectively maintained and drying ability may be improved. Ethanol may be vaporized in a process of manufacturing the cigarette paper and thus may not be included in the coating portion 18.
  • the coating composition includes water.
  • water may be used in a content of about 30 wt% to about 80 wt%. Water may be vaporized in the process of manufacturing the cigarette paper and thus may not be included in the coating portion 18.
  • a content of the solid in the coating composition may be more than about 27 wt% and less than about 38 wt%.
  • the coating composition including the solid may satisfy sufficient burning strength, and may reduce occurrence of wrinkles of the cigarette and breakage during the coating process due to drying inferiority. Accordingly, a reduction in manufacturing speed of the cigarette may be suppressed.
  • the coating composition including the solid in the aforementioned range may reduce non-uniformity of the coating portion and scratches occurring on a surface of the cigarette paper by the coating composition.
  • a weight ratio of the content of the solid and the content of ethanol in the coating composition may be about 1:0.25 to about 1:0.85.
  • a storage elasticity of the coating composition may be about 150 dyne/cm 2 to about 600 dyne/cm 2 at room temperature.
  • the coating portion of the cigarette including the low ignition propensity cigarette paper may be formed by applying the coating composition on the surface of the cigarette paper 19 to reduce surface energy of the cigarette paper 19.
  • the coating composition having the storage elasticity in the aforementioned range may be suitable for an on-line coating process of about 10,000 CPM (cigarette per minute).
  • the storage elasticity and the loss elasticity that are appropriate to mechanical shear strength applied to a coating solution during coating should be maintained.
  • a rheology phenomenon of coating at a high speed is uniform, and thus surface energy of the coating composition and the coating portion may be uniform. Accordingly, the manufactured cigarette may have excellent burning strength and FASE (free air self-extinguishment).
  • a ratio (loss elasticity/storage elasticity) of the loss elasticity to the storage elasticity of the coating composition may be about 0.8 to about 2.0.
  • the coating portion of the cigarette 1 including the low ignition propensity cigarette paper may be formed by applying the coating composition on the surface of the cigarette paper 19 to reduce surface energy of the cigarette paper 19.
  • the coating composition having the ratio (loss elasticity/storage elasticity) of the loss elasticity to the storage elasticity in the aforementioned range may be suitable for the on-line coating process of about 10,000 CPM.
  • the uniform coating layer and surface energy may be secured in a high-speed cigarette manufacturing process. Accordingly, the manufactured cigarette may have excellent burning strength and FASE (free air self-extinguishment).
  • Surface energy of the coating composition may be about 25 mN/m to about 40 mN/m.
  • the coating portion of the cigarette 1 including the low ignition propensity cigarette paper may be formed by applying the coating composition on the surface of the cigarette paper 19 to reduce surface energy of the cigarette paper 19.
  • the coating composition having surface energy in the aforementioned range may be suitable for the on-line coating process of about 10,000 CPM.
  • non-uniformity of the coating layer caused by occurrence of a difference in surface energy of the cigarette paper that is a base material and the coating layer, and occurrence of separation and elimination of the coating layer caused by the environment such as humidity and temperatures may be reduced.
  • the coating portion 18 is formed, and surface energy of the raw paper of the cigarette paper 19 before coating is reduced.
  • surface energy of the coating portion 18 in which the coating composition is coated on the surface of the cigarette paper 19 may be reduced to about 75 mN/m to about 85 mN/m.
  • Burning strength may be measured based on ISO 12863 and ASTM E 2187-04, which means a ratio of the cigarette not burnt to the end but extinguished in the middle among 40 pieces of cigarettes which are put on 10 filter papers. The ratio of the cigarette extinguished in the middle is increased as burning strength is increased.
  • Burning strength of the cigarette 1 according to the exemplary embodiment of the present invention may be about 75 % or more. In the aforementioned range, a burning property may be adjusted to be sufficiently low and thus naturally extinguish the cigarette.
  • Free air self-extinguishment means the number of pieces of the cigarettes extinguished until about 3 mm of the tipping paper when the cigarette is burnt in a static burning state.
  • a probability of extinguishing a smoldering cigarette is increased as FASE is increased. Accordingly, burning strength may be high so that coating of the low ignition propensity cigarette paper reduces a burning possibility.
  • porosity and diffusion coefficient (air diffusivity) of the coating layer may be appropriately adjusted so that the cigarette is not extinguished during a smoldering period in a smoking process.
  • free air self-extinguishment (FASE) of the cigarette 1 according to the exemplary embodiment of the present invention may be about 5 % to about 50 %.
  • Each coating composition is manufactured by changing the content of the solid in the coating composition as in the following Table 2.
  • Each coating composition includes only the pregelatinized corn starch, maltodextrin, ethanol, and water.
  • each static viscosity, surface energy of the coating composition, surface energy of the raw paper (cigarette paper) on which the coating composition is coated, and surface energy of the coating portion on which the coating composition is coated are measured, and the results thereof are described in the following Table 3.
  • the cigarette where a first coating portion is positioned at a position spaced apart from an end of the cigarette by about 17 mm and a second coating portion is positioned at a position spaced apart from an end of the filter by about 12 mm is manufactured while changing the content of the solid in the coating composition as in the following Table 4.
  • the manufactured cigarette has a width of a band-shaped coating portion, a protrusion and depression depth of a roller, and a diffusion coefficient as described below.
  • Burning strength of the cigarettes according to Comparative Examples 1 to 3 and Examples 1 to 3 was measured, and is described in the following Table 7. Further, FASE (free air self-extinguishment) of the cigarettes according to Comparative Examples 1 to 3 and Examples 1 to 3 is measured, and is described in the following Table 8.
  • FASE of Examples 1 to 3 is about 10 to 50 %, which is favorable, and FASE is increased as the content of the solid in the coating composition is increased.
  • Comparative Example 2 where the content of the solid in the coating composition is about 27 %, it is difficult to satisfy burning strength, and the wrinkles of the cigarette and breakage during the coating process occur due to drying inferiority, and thus the manufacturing speed of the cigarette may be reduced.
  • Comparative Example 3 where the content of the solid in the coating composition is about 38 %, the coating portion may be non-uniform, the ratio of the cigarette extinguished in the middle may be very high, and scratches may occur on a portion of the surface of the cigarette paper by the coating composition.
  • Table 9 Solid content in coating composition (wt%) Storage elasticity range (dyne/cm 2 ,at 25°C) Loss elasticity/storage elasticity Surface energy of coating raw paper (mN/m) Surface energy of coating layer (mN/m) Used in Example 1 30 230-280 1.2-1.6 90 82.3 Used in Example 2 32 280-380 1.2-1.6 90 82.5 Used in Example 3 35 410-520 1.2-1.6 90 82.1

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un composition de revêtement d'un papier à cigarette peu inflammable, un papier à cigarette peu inflammable comprenant celle-ci, et une cigarette comprenant celui-ci. La composition de revêtement selon un mode de réalisation décrit à titre d'exemple de la présente invention est une composition de revêtement d'un papier à cigarette peu inflammable, comprenant un solide incluant un ou plusieurs types de constituants parmi un amidon, un dérivé d'amidon, une gomme, un dérivé de gomme et un polymère, de l'éthanol et de l'eau, caractérisée en ce qu'une proportion du solide dans la composition de revêtement est supérieure à 27% en masse et inférieure à 38% en masse.
PCT/KR2014/009698 2014-03-17 2014-10-16 Composition de revêtement de papier à cigarette peu inflammable, papier à cigarette peu inflammable comprenant celle-ci, et cigarette comprenant celui-ci WO2015141919A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0030956 2014-03-17
KR1020140030956A KR101534822B1 (ko) 2014-03-17 2014-03-17 저발화성 궐련지의 코팅 조성물, 이를 포함하는 저발화성 궐련지 및 이를 포함하는 담배

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WO2015141919A1 true WO2015141919A1 (fr) 2015-09-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3636831A4 (fr) * 2017-08-10 2020-11-18 KT & G Corporation Composition de couchage pour papier à cigarette à faible propension à l'inflammation, tabac l'utilisant, et procédé de fabrication de papier à cigarette à faible propension à l'inflammation
CN113322716A (zh) * 2021-06-11 2021-08-31 广州万容材料科技有限公司 一种环保型纸塑复合材料用涂料以及纸塑复合材料

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012113357A2 (fr) * 2011-12-02 2012-08-30 牡丹江恒丰纸业股份有限公司 Agent ignifuge, papier à cigarettes à bande ignifuge et procédé de fabrication du papier à cigarettes
KR20130045157A (ko) * 2011-10-25 2013-05-03 주식회사 케이티앤지 저발화성 궐련지의 코팅 조성물 및 이를 이용하는 담배
KR20140014772A (ko) * 2012-07-26 2014-02-06 주식회사 케이티앤지 저발화성 궐련지 및 이를 이용하는 담배

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130045157A (ko) * 2011-10-25 2013-05-03 주식회사 케이티앤지 저발화성 궐련지의 코팅 조성물 및 이를 이용하는 담배
WO2012113357A2 (fr) * 2011-12-02 2012-08-30 牡丹江恒丰纸业股份有限公司 Agent ignifuge, papier à cigarettes à bande ignifuge et procédé de fabrication du papier à cigarettes
KR20140014772A (ko) * 2012-07-26 2014-02-06 주식회사 케이티앤지 저발화성 궐련지 및 이를 이용하는 담배

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3636831A4 (fr) * 2017-08-10 2020-11-18 KT & G Corporation Composition de couchage pour papier à cigarette à faible propension à l'inflammation, tabac l'utilisant, et procédé de fabrication de papier à cigarette à faible propension à l'inflammation
CN113322716A (zh) * 2021-06-11 2021-08-31 广州万容材料科技有限公司 一种环保型纸塑复合材料用涂料以及纸塑复合材料

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