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Citation: LIN Jing-Wen, GAO Dan, HU Xiao-Min, SUN Qing-Feng. Graft Copolymerization of Chitosan and Acrylamide and Properties of Flocculating[J]. Chinese Journal of Applied Chemistry, ;2006, 23(1): 38-41. shu

Graft Copolymerization of Chitosan and Acrylamide and Properties of Flocculating

1.
a Shenyang Key Laboratory of Environment Engineering, Shenyang University, Shenyang 110044;
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b College of Source & Civil Engineering, Northeastern University, Shenyang;
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c Department of Environmental Science & Engineering, Tsinghua University, Beijing

Corresponding author: LIN Jing-Wen,
Received Date: 18 February 2005
Available Online: 15 May 2005
Fund Project: 沈阳环境工程重点实验室基金资助项目(2004008) (2004008)

Grafting co-polymerization of chitosan and acrylamide with inexpensive ammonium persulfate as initiator was studied and the property of flocculating of the co-polymerization product was also studied.Experimental results show that the grafting percentage is 133.40%, viscosity is highter than 100 000 mPa·s trans-mittance of treating simulated waste water is 99% and the property of flocculating is the best when the concentration of initiator is 3 mmol/L, the mass ratio of chitosan to acrylamide is 2:1, reaction temperature is 30℃, reaction time is 3~3.5 h and the volume fraction of glacial acetic acid is 1.5%.
- chitosan,
- acrylamide,
- graft copolymerization,
- flocculation
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