BINDER FOR PREPARING GLUED NON-WOVEN CLOTH Russian patent published in 1995 - IPC

FIELD: production of glued non-woven materials. SUBSTANCE: the binder comprising an emulsifier, water and an acrylic copolymer of unsaturated carboxylic acid ester of the formula: CH₂= CH_COOR wherein R is a carbon radical of C₁-C₄ unsaturated carboxylic acid ester of the formula: CH₂= C-(CH₃)COOR wherein R is a hydrocarbon radical of unsaturated C₁-C₄ carboxylic acid and unsaturated carboxylic (C₃-C₄) acid ester of the formula: wherein R is H or CH₃ in a monomer ratio of 43-82: (8-47): (1-9):(1-9), respectively. The ratio of the components is as follows (wt parts): 100 acrylic copolymer 1-6 emulsifier; and 100-400 water. EFFECT: improved properties of the binder.