| Synthesis of a novel centipede-like copolymer of styrene and methyl methacrylate |
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| 作者单位： | LI AiXiang（School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China） ;
LU ZaiJun（School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China） ; |
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| 基金项目： | 国家自然科学基金;复旦大学重点实验室基金 |
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| 摘 要： | A well-defined,A2B-type,centipede-like copolymer of styrene and methyl methacrylate(PS-PS-PMMA) was synthesized by the combination of living anionic polymerization and atom transfer radical polym-erization(ATRP) . The synthetic approach involves the coupling reaction of polystyrene(PS) backbone bearing 1,1-diphenylethene(DPE) pendant groups,produced by ATRP and Wittig reaction,with living polystyryllithium(PSLi) ,and subsequent polymerization of the resulting 1,1-diphenylmethyl anions with methy methacrylate. The centipede-like copolymer was characterized by 1H NMR,IR,SEC,SLS,and DSC measurements.
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| 收稿时间： | 4 September 2006 |
| 修稿时间： | 18 September 2006 |
Synthesis of a novel centipede-like copolymer of styrene and methyl methacrylate |
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| Authors: | Li AiXiang Lu ZaiJun |
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| Institution: | 1. School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China
2. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China |
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| Abstract: | A well-defined,A2B-type,centipede-like copolymer of styrene and methyl methacrylate(PS-PS-PMMA) was synthesized by the combination of living anionic polymerization and atom transfer radical polym-erization(ATRP) . The synthetic approach involves the coupling reaction of polystyrene(PS) backbone bearing 1,1-diphenylethene(DPE) pendant groups,produced by ATRP and Wittig reaction,with living polystyryllithium(PSLi) ,and subsequent polymerization of the resulting 1,1-diphenylmethyl anions with methy methacrylate. The centipede-like copolymer was characterized by 1H NMR,IR,SEC,SLS,and DSC measurements. |
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| Keywords: | architecture atom transfer radical polymerization centipede-like copolymer coupling reaction living anionic polymerization |
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