Polyfunctional polymers as deinking agents

Details Polyfunctional polymers as deinking agents Polyfunctional polymers as deinking agents

C - Chemistry, Metallurgy

08

F

9/1, 402/321, 40

C08F 20/10 (2006.01) C08F 28/00 (2006.01) C08F 220/28 (2006.01) C08F 290/06 (2006.01) D21C 5/02 (2006.01)

Patent

CA 1339231

This invention presents a series of polyfunctional polymers useful as deinking agents. The polymers, which generally have molecular weights in the 2,000-100,000 range, can be used to effectively separate and remove ink in a variety of deinking processes, including flotation, wash, and mechanical, resulting in fibers of superior brightness.

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