Cationic polymer flocculating agents

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 220/48 (2006.01) C02F 1/56 (2006.01) C08F 8/44 (2006.01) C08F 8/48 (2006.01)

Patent

CA 2076426

Disclosed herein is a flocculating agent.comprising a specified cationic polymer having an amidine structure. The cationic polymer flocculating agents according to the present invention have 20 to 90% by mole of a repeating amidine unit represented by the formula (1) and/or (2): (see formula 1 and 2) The agents have a reduced viscosity of 0.1 to 20 dl/g as measured in a 1N saline solution of 0.1 g/dl at 25°C. The agents have a remarkably excellent performance as flocculating agents, in particular for organic sludge.

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