| Preparation and characterization of thermosensitive poly（NIPAM-co-MAH-β-CD）/（TiO2-MWCNTs） composites by UV light photoinitiating method |
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| 作者姓名： | Hui Long Wang Li Pang Wen Feng Jiang Chao Yang |
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| 作者单位： | Department of Chemistry, Dalian University of Technology, Dalian 116023, China ; PetroChina Dalian Lubricating Oil R&D Institute, Dalian 116032, China |
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| 基金项目： | the financial support provided by the National Natural Science Foundation of China (No.20977013) |
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| 摘 要： | In this report,a novel thermosensitive poly（N-isopropylacrylamide-comaleic anhydride-p-cyclodextrin）/（TiO2-multi-walled carbon nanotubes）（poly（NIPAM-co-MAH-β-CD）/（TiO2-MWCNTs）） composite was synthesized by UV light photoinitiating method.The results indicated that MAH modifiedβ-CD（MAH-β-CD） could polymerize to NIPAM by UV light irradiation in the presence of TiO2-MWCNTs composite nanoparticles.The characteristic results confirmed that the TiO2-MWCNTs composite nanoparticles were embedded evenly within the thermally responsive copolymer of NIPAM and MAH-β-CD.The effects of irradiation time and TiO2-MWCNTs concentration on the yield of the composites were investigated by keeping NIPAM to MAH-β-CD mass ratio constant.The optimal polymerization reaction conditions were a TiO2-MWCNTs concentration of 10 wt.%under UV light for the illumination of 3 h.
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| 关 键 词： | Polymeric composite Thermosensitive Titania nanoparticles UV light |
| 收稿时间： | 27 March 2012 |
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