METHOD OF PREPARING ADHESIVE Russian patent published in 2001 - IPC

FIELD: preparation of adhesive for sizing paper and board and gluing labels onto glass or polymeric containers. SUBSTANCE: method comprises treating polyacrylonitrile material by immersing thereof in layers in 40-60% sodium hydroxide solution and simultaneously wetting at least layer with water at certain ratio of components followed by temperature treatment at 90-105 C for 12-48 h and stirring is continued for 1-5 h and neutralization of composition to pH of 6.5-8.5. Invention makes it possible to prepare adhesive nontoxic in use and adhesive having higher consumer properties. EFFECT: improved properties of the adhesive. 4 cl, 1 ex