C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/9290, 400/92
C08K 5/09 (2006.01) C08K 5/092 (2006.01) C08L 33/06 (2006.01) C08L 33/20 (2006.01)
Patent
CA 1296462
TITLE OF THE INVENTION Stabilized Cationic Acrylate or Methacrylate Polymer Admixtures ABSTRACT OF THE DISCLOSURE The present invention is directed to an admixture, comprising: (A) a cationic acrylate or methacrylate polymer and (B) 0.1 to 5.0%, by weight, based on the weight of said polymer, of an acidic buffering compound. The present invention is also directed to a method for improving the stability of cationic acrylate polymers, comprising adding 0.1 to 5.0%, by weight, based on the weight of the polymer, of an acidic buffering compound. The admixtures of the present invention may be used as dewatering and paper retention aids.
522209
Calgon Corporation
Chen Shih-Ruey T.
Goudreau Gage Dubuc
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