Treatment of cigarette paper

Details Treatment of cigarette paper Treatment of cigarette paper

A - Human Necessities

24

D

131/86

A24D 1/12 (2006.01) A24D 1/02 (2006.01)

Patent

CA 1096739

ABSTRACT OF THE DISCLOSURE Cigarette paper is treated by one or the other of two alternative processes. The first alternative process is characterized by the step of coating between 40 and 100% of the surface area of the paper with an aqueous alkali metal silicate solution, the SiO2 concentration of which ranges from between 12 and 16% for 40% coverage to between 7 and 15% for full coverage. The second alternative process is characterized by two sequential uniform coatings of an aqueous alkali metal silicate solution, the SiO2 concentrations in each solution ranging from 1.7% to 6%.

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