Single Electron Transfer Living Radical Polymerization via a New Initiator
Research and development of novel initiating system such as single electron transfer living radical polymerization (SET-LRP) is of high importance in polymer chemistry. A new SET-LRP initiator was synthesized and applied to prepare end-functionalized poly(methyl methacrylate) (PMMA) in this study. α...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2014-08, Vol.62 (1), p.12008 |
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| creator | Bai, Xiongxiong Hu, Ying Zhang, Xu Ai, Lingling Cheng, Chuanjie |
| description | Research and development of novel initiating system such as single electron transfer living radical polymerization (SET-LRP) is of high importance in polymer chemistry. A new SET-LRP initiator was synthesized and applied to prepare end-functionalized poly(methyl methacrylate) (PMMA) in this study. α-Trichloromethyl benzyl alcohol was firstly synthesized, followed by preparation of PMMA under SET-LRP conditions. Conversion of MMA was 81.9%, and the molecular weight of PMMA was about 2.5 kDa at 60 °C for 1 h. Consistency of the number-average molecular weight of PMMA from NMR, GPC and theoretical calculation indicated that the polymerization featured controllable property. Broad molecular weight distribution (MWD) may be ascribed to branched polymers formed by initiation and chain transfer. |
| doi_str_mv | 10.1088/1757-899X/62/1/012008 |
| format | Article |
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A new SET-LRP initiator was synthesized and applied to prepare end-functionalized poly(methyl methacrylate) (PMMA) in this study. α-Trichloromethyl benzyl alcohol was firstly synthesized, followed by preparation of PMMA under SET-LRP conditions. Conversion of MMA was 81.9%, and the molecular weight of PMMA was about 2.5 kDa at 60 °C for 1 h. Consistency of the number-average molecular weight of PMMA from NMR, GPC and theoretical calculation indicated that the polymerization featured controllable property. 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| subjects | Benzyl alcohol Chain branching Chain transfer Chemical synthesis Electron transfer Initiators Molecular weight Molecular weight distribution NMR Nuclear magnetic resonance Polymer chemistry Polymerization Polymethyl methacrylate R&D Radicals Research & development Single electrons |
| title | Single Electron Transfer Living Radical Polymerization via a New Initiator |
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