TABACCO FILTER PAPER AND FINISHING METHOD THEREOF

摘要

The new cigarette filter paper has improved water resistance and elsticity. The paper composition is composed of 50-95 % wood pulp and 5-50 % polyolefin based synthetic pulp. The manufacturing method comprises: (A) mixing wood pulp and polyolefin pulp; (B) adding 0.1-2 % dispersing agent, 1-5 % aluminium sulfonate, 0.5-5 % positive starch, and 0.3-3 % cationic polyacrylamide by the 100 wt.% of dried pulp; and (C) mixing homogeneously and paper-making. The above synthetic pulp is polypropylene or polyethylene resin and dispersing agent is polyethylene oxide, anionic polyacrylamide or carboxymethyl cellulose.