Acrylamide polymers and use thereof

Details Acrylamide polymers and use thereof Acrylamide polymers and use thereof

C - Chemistry, Metallurgy

08

F

C08F 20/56 (2006.01) C08F 220/56 (2006.01) C08L 33/26 (2006.01) D21H 17/34 (2006.01) D21H 17/37 (2006.01) D21H 21/18 (2006.01)

Patent

CA 2138314

Provided by this invention are an acrylamide polymer which has a weight-average molecular weight (a) of from 1,500,000 to 10,000,000 and a weight-average inertial radius (b) of from 30 to 150 nm, the ratio (b)/(a) of the weight-average inertial radius (b) to the weight-average molecular weight (a) being 0.00004 or smaller; and an aqueous solution of an acrylamide polymer which solution has a polymer concentration ranging from 22 to 60%, a Brookfield viscosity at 25°C of 50,000 cps or smaller and a weight-average molecular weight of from 500,000 to 10,000,000. They are useful as paper strength agents.

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