GLUE MANUFACTURE METHOD Russian patent published in 2003 - IPC

FIELD: adhesives. SUBSTANCE: invention relates to glues for sizing of paper, cardboard, and photographic paper and can be. in particular, used in food industry in food industry for gluing labels. Manufacture method consists in preliminary portionwise moistening of polyacrylonitrile fiber with water accompanied by compaction of fiber after each moistening portion, treatment of moistened fiber with 38-42% sodium hydroxide solution at fiber-to-NaOH weight ratio 1:(0.64-0.67) and 120-130 C without stirring, which is applied only after dissolution of polyacrylonitrile fiber. EFFECT: increased yield of product, improved product quality, speeded up process, and reduced laboriousness and expenses. 2 cl, 1 tbl