Process for preparing an aqueous copolymer solution

Details Process for preparing an aqueous copolymer solution Process for preparing an aqueous copolymer solution

C - Chemistry, Metallurgy

08

L

C08L 39/00 (2006.01) C08F 220/56 (2006.01) C08F 226/04 (2006.01)

Patent

CA 2151536

A process for preparing an aqueous solution of an ionic copolumer having a copolymer concentration of 20 % by weight or less and a viscosity of 20 ps or more at 25 °C, which comprises conducting copolymerization of an acrylamide compound(B) with a diallylamine compound(A) by continuously adding an aqueous solution of (B) having a concentration of 30% by weight or less to an aqueous solution of the diallylamine compound(A) having a concentration of 5 % by weight or more and less than 10 % by weight, and this process exhibit high conversion of diallylamine compounds, of which reactivity is low, and a copolymer having a high molecular weight can be obtained.

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