| Preparation of Thermal-responsive Chitosan-graft-N-isopropylacrylamide Membranes via γ-Ray Irradiation |
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| 作者姓名： | Qing MU Yue E FANG |
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| 作者单位： | Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026 |
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| 基金项目： | Acknowledgments 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. |
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| 摘 要： | 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.
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| 关 键 词： | 壳聚糖膜 N-异丙基丙烯酰胺 γ-射线衍射分析 热响应 |
| 收稿时间： | 2006-03-23 |
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