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Synthesis and evaluation of ternary copolymerization cationic polyacrylamide

LIU Xiao-ping, WANG Hong-yun, ZHANG Peng, QIN Xu-ping,ZHANG Meng-li   

  1. LIU Xiao-ping, WANG Hong-yun, ZHANG Peng, QIN Xu-ping:College of Chemistry and Chemical Engineering, Shandong University, Jinan 250061, China;
    ZHANG Meng-li:Jinan Science and Technology Information Research Institute, Jinan 250001, China
  • Received:2008-11-21 Online:2009-06-16 Published:2009-06-16


A new polymer materials——cationic flocculant P(AM-DAC-DMDAAC) was synthesized by aqueous solution polymerization using acrylamide (AM) as the molecular backbone, acryloyloxyethyl trimethyl ammonium chloride (DAC) and dimethyl diallyl ammonium chloride (DMDAAC) as the cation group. The obtained optimum reaction conditions were as follows: mass fraction of monomer 30%, initiator temperature 12?℃,pH 5.0, cationic monomer concentration 25%, initiator AM-01 0.03% and K2S2O80.003%. The molecular weights of polymers were measured by the viscosity method, and the structure of the polymers were characterized by the infrared absorption spectrum and nuclear magnetic resonance. The polymers’capability of flocculating performance was investigated in waste water.

Key words: acrylamide, polymer materials, cationic flocculate, acryloyloxyethyl trimethyl ammonium chloride, dimethyl diallyl ammonium chloride

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