Low ignition propensity cigarette paper

Details Low ignition propensity cigarette paper Low ignition propensity cigarette paper

A - Human Necessities

24

D

A24D 1/02 (2006.01) A24D 1/10 (2006.01) D21H 27/00 (2006.01) D21H 19/10 (2006.01)

Patent

CA 2645998

A lowly burnable wrapping paper for cigarettes which comprises a base wrapping paper having a basis weight exceeding 22 g/m2 and combustion inhibition regions disposed on one surface of the base wrapping paper so as to be spaced away from each other. The combustion inhibition regions are ones formed by applying either the sodium salt of alginic acid having a degree of polymerization of about 500-900 or sodium alginate whose 3 wt.% aqueous solution has a viscosity as measured at 25°C of 19,000 cP or higher.

La présente invention concerne un papier d'emballage pour cigarettes peu combustible qui comprend un papier d'emballage de base ayant un grammage supérieur à 22 g/m~ et des régions d'inhibition de la combustion disposées sur une surface du papier d'emballage de base de manière à être espacées les unes des autres. Les régions d'inhibition de la combustion sont formées par l'application soit de sel sodique d'acide alginique ayant un degré de polymérisation d'environ 500 à 900 ou d'alginate de sodium dont une solution aqueuse à 3 % de poids a une viscosité mesurée à 25° C de 19 000 cP ou plus.

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