Synthesis and Flocculation Property of Chitosan-Acrylamide Graft Copolymer

Chemical Research in Chinese Universities ›› 2004, Vol. 20 ›› Issue (2): 221-224.

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Synthesis and Flocculation Property of Chitosan-Acrylamide Graft Copolymer

LI Liu-zhu, MAO Lu-yuan, WANG Xiu-li, YANG Yong, ZHUANG Yin-feng

College of Materials Engineering, Zhengzhou University, Zhengzhou 450052, P. R. China

Received:2003-12-05 Online:2004-04-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China(No.30371695).

Abstract

Abstract: Chitosan, as a kind of natural polymer, has many advantages, such as abundant sources, biological degradation, no secondary contamination and facile modification. In this work, we prepared modified chitosan flocculants with double electrical behavior via polymerizing chitosan, acrylamide and sodium carboxymethyl cellulose together by using ammonium persulfate as the indicator in water. The product is a comb-type of chitosan copolymer and a polymeric ampholyte. And then we studied the product by FTIR, UV-Vis, TG, DSC spectrometeries and viscometry, etc. We also performed CACM′s water treat experiment. The effects of pH values, reaction time and dose of the new floccalant on treating various of waste water have been investigated, too.

Key words: Organic flocculant, Chitosan, Acrylamide, Copolymer

LI Liu-zhu, MAO Lu-yuan, WANG Xiu-li, YANG Yong, ZHUANG Yin-feng. Synthesis and Flocculation Property of Chitosan-Acrylamide Graft Copolymer[J]. Chemical Research in Chinese Universities, 2004, 20(2): 221-224.

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Synthesis and Flocculation Property of Chitosan-Acrylamide Graft Copolymer

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