"Living" Radical Polymerization of Methyl Methacrylate with Diethyl 2,3-Dicyano-2,3-Diphenylsuccinate as a Thermal Iniferter
文献类型： 外文期刊
作者： Qin, SH 1 ; Qiu, KY 2 ; Swift, G 2 ; Westmoreland, DG 2 ; Wu, SG 2 ;
作者机构： 1.Peking Univ, Dept Polymer Sci & Engn, Beijing 100871, Peoples R China
2.Peking Univ, Dept Polymer Sci & Engn, Beijing 100871, Peoples R China; Rohm & Haas Co, Spring House, PA 19477 USA
关键词： "living" radical polymerization;thermal iniferter;diethyl 2;3-dicyano-2;3-diphenylsuccinate (DCDPS);methyl methacrylate
期刊名称：JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY （ 影响因子：2.702； 五年影响因子：2.694 ）
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收录情况： SCI
摘要： The bulk polymerization of methyl methacrylate (MMA) initiated with diethyl 2,3-dicyano-2,3-diphenylsuccinate (DCDPS) was studied. This polymerization showed some "living" characteristics; that is, both the yield and the molecular weight of the resulting polymers increased with reaction time, and the resultant polymer can be extended by adding MMA. The molecular weight distribution of PMMA obtained at high conversion is fairly narrow (M_w/M_n = 1.24 approx= 1.34). It was confirmed that DCDPS can serve as a thermal iniferter for MMA polymerization by a "living" radical mechanism. Furthermore, the PMMA obtained can act as a macroinitiator for radical polymerization of styrene (St) to give a block copolymer.
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