COMPOSITION OF DISPERSIVE AGENT FOR SIZING OF PAPER Russian patent published in 1996 - IPC

FIELD: technology of sizing of paper. SUBSTANCE: composition comprises (wt%): 5-25 salts of copolymer of 10-30 of N.N′-dimethylaminoacrylate or N.N′- dimethylaminoethyl methacrylate; 5-30 methacrylate or acrylate containing radical with 10 to 22 carbon atoms; 10-60 methacrylate or methyl methacrylate and up to 100% methacrylic or acrylic acid and water or mixture of water and organic solvent. EFFECT: improved properties of the dispersive agent. 9 tbl