Stabilized mannich-base substituted water-in-oil polymer...

Details Stabilized mannich-base substituted water-in-oil polymer... Stabilized mannich-base substituted water-in-oil polymer...

C - Chemistry, Metallurgy

08

L

400/9319

C08L 33/26 (2006.01) B01D 21/01 (2006.01) C02F 1/54 (2006.01) C08K 5/17 (2006.01) C22B 3/22 (2006.01) C22B 34/12 (2006.01) D21H 17/45 (2006.01)

Patent

CA 1083742

ABSTRACT OF THE DISCLOSURE Improved stable liquid cationic polymer dispersions are disclosed for use as flocculation, sedimentation, retention and dehydration agents. Polymeric Mannich base is dispersed in a mixture of water and a water-insoluble liquid, the Mannich base being for example an acrylamide polymer carrying radicals of reaction with formaldehyde and certain amines. The improvement is the addition to the dispersions of water-soluble salts of amines which may be used together with free amine or ammonia, ammonium salts together with ammonia, or carboxylic acid amides as stabilizers.

251706

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