Retention and/or drainage and/or dewatering aid

Details Retention and/or drainage and/or dewatering aid Retention and/or drainage and/or dewatering aid

C - Chemistry, Metallurgy

02

F

362/49, 9/51

C02F 1/56 (2006.01) D21H 17/37 (2006.01) D21H 17/44 (2006.01)

Patent

CA 1283985

68975-44 ABSTRACT OF THE DISCLOSURE A combination of a cationic polymer and a nonionic polymer are employed as a drainage and/or dewatering and/or retention aid. The combination has particular applicability to improving retention and/or drainage in the papermaking industry by addition of the combination to the pulp stock.

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