Citation: Qing MU, Yue E FANG. Preparation of Thermal-responsive Chitosan-graft-N-isopropyl-acrylamide Membranes via γ-Ray Irradiation[J]. Chinese Chemical Letters, ;2006, 17(9): 1236-1238. shu

Preparation of Thermal-responsive Chitosan-graft-N-isopropyl-acrylamide Membranes via γ-Ray Irradiation

Qing MU ,
Yue E FANG

Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026

Received Date: 23 March 2006

Fund Project: Thanks for the financial support by the National Natural Science Foundation of China (No. 50573073). The authors would like to thank Mr. Tong Wen Xu of Functional Membrane Laboratory of USTC for pure water flux measurements.

A novel thermo-sensitive switching membrane has been prepared by radiation-induced simultaneous grafting N-isopropylacrylamide (NIPAAm) onto chitosan membrane. Fourier transform infrared spectroscopy (FTIR) was used to identify the structure of the grafted membranes. The surface morphology of the grafted membrane was observed from scanning electron microscopy (SEM). Pure water flux measurements showed that water flux of the grafted membrane decreased with the increase of temperature, while that of chitosan membrane was constant. It was proved that grafted membrane was sensitive to temperature.
- Chitosan membrane,
- N-isopropylacrylamide,
- γ-ray irradiation,
- thermal-responsive
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