Cationic sizing agents for paper

Details Cationic sizing agents for paper Cationic sizing agents for paper

C - Chemistry, Metallurgy

08

L

400/9227

C08L 25/08 (2006.01) C08F 8/44 (2006.01) D21H 17/35 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01)

Patent

CA 1162341

Cationic sizing agents for paper Abstract of the Disclosure The aqueous solution of a statistical terpolymer con- taining quaternised amino groups and having a regular chemical structure of (a) from 8 to 20%, by weight, of N,N-dimethylamino- ethyl acrylate and/or N,N-dimethylaminoethyl methacrylate; (b) from 45 to 80 %, by weight, of styrene, and (c) from 8 to 35%, by weight, of acrylonitrile; the sum of (a) to (c) being 100%, by weight, and at least 10% of the dimethylamino groups of the terpolymer being quaternised and the remainder protonated is suitable as cationic paper sizing agent. Le A 20 081 -US

369215

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