Absorbing polymer

Details Absorbing polymer Absorbing polymer

C - Chemistry, Metallurgy

08

L

400/1353, 117/16

C08L 1/00 (2006.01) A61L 15/22 (2006.01) A61L 15/60 (2006.01) C08L 1/28 (2006.01) C08L 3/00 (2006.01) C08L 5/00 (2006.01) C08L 29/02 (2006.01) C08L 29/04 (2006.01) C08L 35/00 (2006.01)

Patent

CA 2000418

Abstract Absorbing polymer consisting of a polymer A which is an optionally modified polyvinyl alcohol or an optionally modified polysaccharide or a mixture of these, and of a polymer B which is a maleic anhydride homo- or copolymer having a hydrolysis time of 5 to 120 minutes, the anhydride groups being open and 0.005 to 5 mol % of the acid functions being esterified with hydroxyl groups of polymer A, and the remaining acid functions being present as free acid groups, as salts or as acid amide groups, an absorbing product containing this polymer and a process for their preparation.

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