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Citation: ZHENG Jing, WANG Jun-Qing, SU Zhi-Xing. Graft Copolymerization of N-Isopropylacrylamide with Chitosan[J]. Chinese Journal of Applied Chemistry, ;2003, 20(12): 1204-1207. shu

Graft Copolymerization of N-Isopropylacrylamide with Chitosan

1.
a College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000;
2.
b Lanzhou Medical College, Lanzhou

Corresponding author: SU Zhi-Xing,
Received Date: 14 April 2003
Available Online: 28 July 2003
Fund Project: 甘肃省自然科学基金资助项目(ZR-97-027) (ZR-97-027)

The graft copolymerization of N-isopropylacrylamide(NIPA) onto chitosan has been investigated in water using K₂S₂O₈ as an initiator. The polymer products shows its property of thermosensitive and has been characterized by IR, XRD and TG. The effects of reaction time, temperature, amount of initiator, monomer and solvent had been studied, and the optimum condition was:Chitosan 0.3 g, K₂S₂O₈ 10 mg, 70℃, NIPA 1.5 g, H₂O 15 mL, 2 h.
- chitosan,
- N-isopropylacrylamide,
- graft copolymerization,
- thermosensitivity
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