PROCESS OF PREPARING ADDITIVE

摘要

Cellulose of lint, pulp, and regenerated fiber is decompd. in acid or alkaline soln. It is rendered cellulose aggregate of white fine powders, which has mean degree of polymerization of 60 - 375, volume gradient of 1.6 - 3.1 cc/g, repose angle of 35 - 420, 200 mesh remaing portion of 2 - 80 wt.%, and tapping volume gradient of at least 1.4 cc/g.