Classifications

• • 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
  • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
  • D21H17/63—Inorganic compounds
  • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
• • 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
• • 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
• • 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

Definitions

• the present invention relates to a low-fire-spreading cigarette paper, and more particularly, to a cigarette-wrapping paper having both low fire-spreading properties and a low CZT ratio.
• the cigarette roll is provided with a band coated with a flame retardant material on the base wrapping paper so that it does not spread easily on the floor.
• a flame retardant material on the base wrapping paper so that it does not spread easily on the floor.
• This technology provides high flammability, low flammability, and low flammability areas on tobacco paper, and is capable of smoking in areas where flammability is high. Low flammability! This is based on the knowledge that cigarettes can self-extinguish when there is a substance to be fired.
• the carbon monoxide Z tar ratio (CZT ratio) per cigarette is not sufficiently low.
• an object of the present invention is to provide a cigarette wrapping paper that exhibits low fire spread and a low CZT ratio.
• a basis weight in the one surface of the base wrapping paper is 16 ⁇ 22g / m 2
• burn suppressing agent is applied
• a low fire spread cigarette wrapping paper is provided in which combustion suppression regions are provided separately, and the total amount of the combustion inhibitor applied is 0.2 to 1.8 g per area lm 2 of the applied portion.
• FIG. 1 is a partially broken schematic perspective view showing an example of a cigarette mounted with a cigarette wrapping paper according to one embodiment of the present invention.
• the cigarette wrapping paper of the present invention is obtained by discretely providing a combustion suppression region in which a combustion inhibitor is applied to a base wrapping paper.
• the base wrapping paper contains a force filler that is based on pulp such as ordinary flax pulp that is normally used as cigarette wrapping paper for cigarettes at a rate of 2 to 6 g / m 2. , the basis weight is 16 ⁇ 22gZm 2.
• the filler may be a commonly used material such as a carbonate such as calcium carbonate or potassium carbonate, or a hydroxide such as calcium hydroxide or calcium hydroxide. wear.
• a combustion modifier such as citrate or a salt thereof (sodium salt, potassium salt) may be added.
• the combustion modifier is used in a proportion of up to 2% by weight in the base paper when blended.
• combustion suppression regions formed by application of a combustion inhibitor are discretely provided.
• the combustion suppression region can be provided in the form of a plurality of stripes extending in the longitudinal direction of the tobacco rod and spaced apart from each other in the circumferential direction of the tobacco rod. It can be provided in the form of a plurality of rings extending in the circumferential direction of the rod and spaced apart from each other in the longitudinal direction of the tobacco rod.
• the total coating amount (dry basis) of the combustion inhibitor is 0.2 to 1.8 g per area lm 2 of the coated part.
• Combustion inhibitors include, for example, proteins such as gelatin, casein, albumin, dartene; starch, xanthan gum (echo gum), locust bean gum, guagam (guavac), tragacanth gum, tara gum, tamarind seed polysaccharide (glyroid) ) Polysaccharides with thickening action such as cara gum, arabic gum, pullulan, dextrin, cyclodextrin (oligoseven), gutty; carrageenan, curdlan, agar, gelatin, farcellulan, pectin, dielan gum, kelcogel, etc.
• proteins such as gelatin, casein, albumin, dartene; starch, xanthan gum (echo gum), locust bean gum, guagam (guavac), tragacanth gum, tara gum, tamarind seed polysaccharide (glyroid)
• Polysaccharides with thickening action such as cara gum, arabic gum
• Fine cellulose, microcrystalline cellulose, flax pulp and wood pulp also have the same effect.
• combustion inhibitors can be used alone or as a mixture of two or more.
• Sodium alginate is commercially available in various polymerization degree ranges. In the present invention, sodium alginate having a polymerization degree of 500 to 900 is preferred! /. Thus, the sodium salt of alginic acid having a high degree of polymerization exhibits a high combustion suppressing action even in a small amount.
• the low-flammability wrapping paper of the present invention is equipped with a tobacco rod that also has the strength of cigarette chopping, and usually the surface coated with a combustion inhibitor is in contact with the tobacco rod.
• FIG. 1 shows a cigarette fitted with a cigarette wrapping paper to which a combustion modifier is applied in the form of a ring.
• a cigarette 10 has a tobacco rod 11 made of a tapaco filler 13 mounted in a column shape with a base wrapping paper 12.
• the base wrapping 12 can have a natural air permeability of 10 to 100 cholesterol units.
• the tobacco rod 11 typically has a circumferential length of 17 mm to 26 mm and a length of 49 mm to 90 mm.
• a normal filter 18 can be attached to the base end of the tobacco rod 11 (that is, the downstream end in the suction direction) l ib using a tip paper 17 by a conventional method.
• annular region 14 to which a combustion inhibitor is applied is formed to define a combustion suppression region.
• annular combustion suppression regions 14 are provided as shown in FIG. 1, they are formed apart from each other in the longitudinal direction of the tobacco rod.
• a normal combustion region 15 to which no combustion regulator is applied is defined. Since this region 15 is constituted by the base wrapping 12 portion, it can be burned in a normal smoking state as the base wrapping 12 itself. Therefore Region 15 acts as a normal combustion region.
• the annular combustion suppression region 14 may have a width in the longitudinal direction of 4 mm to 7 mm and a thickness of typically 0.1 to 5 / zm. When multiple combustion suppression areas are provided, the interval between adjacent combustion suppression areas 14 is 18mn! It is preferably ⁇ 25mm.
• a combustion inhibitor is applied to the region 16 where the tip force is also separated by a distance d.
• the portion also constitutes a normal combustion region 16 and can correspond to a region where combustion is performed with one or two puffs of a normal cigarette.
• the distance d can be set to 10 mm to 25 mm from the tobacco rod tip 11a. It is not particularly necessary to form the combustion suppression region 14 on the inner surface of the wrapping paper corresponding to the portion of the paper 12 covered with the chip paper 17.
• the cigarette 10 when the cigarette 10 is ignited at the tip 11a of the cigarette rod 11, sucked, and the cigarette is burned, in the normal combustion region 15, it can be burned in the same manner as a normal cigarette, and the taste can be enjoyed.
• a combustible material such as carpet, tatami mat, wooden product, cloth, clothes, etc. in an ignited state, it is contained in the combustion suppression region 14 existing in the combustion direction, the heat absorption by the combustible material and the tobacco filler The cigarette 10 is extinguished in combination with the blown tobacco cigarette, and the spread of combustible materials is suppressed.
• the cigarette equipped with the cigarette paper of the present invention has a low CZT ratio in the mainstream smoke.
• Base wrapping paper (27mm wide, 1.500m long) with specifications shown in Table 1 and sodium alginate aqueous solution of various concentrations (0.5-20% by weight) with a constant width of 7mm in the longitudinal direction and a constant value of 20mm
• a total of 56 areas for applying the combustion inhibitor were provided by applying (printing) in a striped pattern with a direct gravure method.
• the total application amount of sodium alginate was measured by the following method. The results are also shown in Table 1.
• Examples 1-13 The application amount of the combustion inhibitor was 0.2 to 1.8 g per lm 2 of the area where the combustion inhibitor (sodium alginate) was applied.
• the sodium alginate used was I-S manufactured by KIMIKA (registered trademark) (polymerization degree 650 to 670; viscosity at 25 ° O of 3% by weight aqueous solution 29976.9 cP) In other examples, it was IL 2 manufactured by KIMIKA (registered trademark) (polymerization degree: 30 to 180; viscosity at 25 ° C. of 3 wt% aqueous solution: 907.2 cP).
• a tobacco rod made of American blend chopping (tar amount in the case without a filter: 19-20 mg) is equipped, and the first 5 mm wide from the cigarette burning tip It cut
• the cigarette length per piece was 59 mm, and there were two areas where the flame retardant was applied.
• the obtained cigarette was subjected to a fire spread test according to ASTM E-2187-04, and a PFLB (percent fol Hength burn) value was measured.
• PFLB percent fol Hength burn
• Sodium alginate standard solution (1 wt% aqueous sodium bicarbonate solution containing sodium alginate at a concentration of 0 to 0.2 mgZmL) -Add 2 mL of hydrochloric acid solution (8.5 M hydrochloric acid containing 0.05 wt% copper sulfate) and 1 mL of naphtholesol cinol solution (0.4 wt% 1,3-dihydroxynaphthalene aqueous solution) and heat in a boiling water bath for 65 minutes Then, cool in ice water, add 4 mL of butyl acetate, shake, and centrifuge.
• hydrochloric acid solution 8.5 M hydrochloric acid containing 0.05 wt% copper sulfate
• naphtholesol cinol solution 0.4 wt% 1,3-dihydroxynaphthalene aqueous solution
• cigarette smoke was collected using an 8-split linear smoker (SM342) manufactured by FILTRONA.
• Cigarettes were burned in accordance with ISO standards by sucking 35 mLZ for 2 seconds at intervals of 60 seconds, and collecting the smoke that passed through the glass fiber filter in a gas bag.
• the cigarette sample reached the standard combustion length (5 lmm from the ignition end of the cigarette (the boundary force between the paper roll and tip paper was also 8 mm)
• suction was stopped. The number of puffs so far was recorded.
• three empty puffs were performed. In this way, the gas of the cigarette sample was collected in the gas bag, and the total flow material (TPM) was collected in the glass fiber filter.
• TPM total flow material
• the amount of CO per cigarette sample was measured with a CO measuring device manufactured by FILTRONA.
• the total amount of combustion inhibitor applied is 0.2 to 6% on the surface of the base wrapping paper containing 2 to 6 gZm 2 of filler and having a basis weight of 16 to 22 gZm ′. 1. It can be seen that the ones in which the combustion inhibitor was applied in a discrete manner so as to be 8 gZm 2 (Examples 1 to 13) showed low combustibility and low CZT ratio.
• a cigarette wrapping paper that exhibits low fire spreadability and a low CZT ratio.

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

Priority Applications (7)

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Publications (1)

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Family Applications (1)

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Cited By (5)

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Citations (6)

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• 2006
  • 2006-01-03 UA UAA200710223A patent/UA90299C2/uk unknown
  • 2006-03-01 CA CA2599753A patent/CA2599753C/en not_active Expired - Fee Related
  • 2006-03-01 RU RU2007134214/12A patent/RU2357622C1/ru not_active IP Right Cessation
  • 2006-03-01 JP JP2007508061A patent/JP4335944B2/ja not_active Expired - Fee Related
  • 2006-03-01 EP EP06714979.9A patent/EP1867782B1/en not_active Not-in-force
  • 2006-03-01 ES ES06714979.9T patent/ES2542848T3/es active Active
  • 2006-03-01 KR KR1020077018585A patent/KR100956462B1/ko active IP Right Grant
  • 2006-03-01 WO PCT/JP2006/303861 patent/WO2006098153A1/ja active Application Filing
  • 2006-03-01 CN CN2006800067255A patent/CN101133214B/zh not_active Expired - Fee Related
  • 2006-03-08 TW TW095107725A patent/TWI302090B/zh not_active IP Right Cessation
• 2007
  • 2007-09-06 US US11/896,849 patent/US20080011312A1/en not_active Abandoned
• 2008
  • 2008-04-02 HK HK08103654.3A patent/HK1113502A1/xx not_active IP Right Cessation

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