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学科主题: 高分子化学
题名: Synthesis, Structure, and Property of Well-Defined Polymethylene-Based Diblock Copolymers by a Combination of Living Polymerization of Ylides and Atom Transfer Radical Polymerization
其他题名: 由叶立德活性聚合与原子转移自由基聚合结合法得到的基于聚亚甲基的两嵌段共聚物的合成、结构与性质
作者: Chen JZ(陈健壮) ; Zhao QL(赵巧玲) ; Shi LP(史丽萍) ; Huang J(黄晋) ; Li GY(李光玉) ; Zhang SY(张淑媛) ; Ma Z(马志)
通讯作者: 马志
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2009
卷: 47, 期:21, 页:5671-5681
收录类别: SCI
部门归属: 上海有机所; 郑州大学
英文摘要: A combination of living polymerization of ylides and atom transfer radical polymerization (ATRP) was used successfully in the design and synthesis of well-defined polymethylene-b-poly(methyl methacrylate) (PM-b-PMMA) and polymethylene-b-poly(n-butyl acrylate) (PM-b-Pn-BuA). Tripolymethylene borane were firstly synthesized by living polymerization of dimethylsulfoxonium methylides and then oxidated quantitatively through trimethylamine-N-oxide dihydrate to provide a series of low-polydispersity hydroxyl-terminated polymethylenes (PM-OHs) with different molecular weight. Subsequently, such polymers were converted into polymethylene-based macroinitiators (PM-MIs, M-n(GPC) = 1900-10,400 g/mol; M-w/M-n = 1.12-1.23) in similar to 100% conversion. ATRPs of methyl methacrylate and n-butyl acrylate were successfully conducted using PM-MI to produce well-defined diblock copolymers of PM-b-PMMA and PM-b-Pn-BuA, respectively. The GPC traces indicated the successful extension of PMMA and Pn-BuA segment (M-n(GPC) of PM-b-PMMA = 3980-10,100 g/mol; M-w/M-n = 1.16-1.22; M-n of PM-b-Pn-BuA = 7400-9200 g/mol; M-w/M-n = 1.14-1.18). Atomic force microscopy (AFM) was used to characterize the structures of the precipitated PM-b-PMMA micelles, which were formed in toluene. The blend of LDPE/PMMA was prepared with PM-b-PMMA as compatibilizer. The scanning electron microscopy (SEM) results showed that the compatibilization of the LDPE/PMMA was improved greatly by the incorporation of PM-b-PMMA. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 5671-5681, 2009
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000271669700009
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/25365
Appears in Collections:分析化学研究室_期刊论文

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Recommended Citation:
Chen JZ,Zhao QL,Shi LP,et al. Synthesis, Structure, and Property of Well-Defined Polymethylene-Based Diblock Copolymers by a Combination of Living Polymerization of Ylides and Atom Transfer Radical Polymerization[J]. J. Polym. Sci. Pol. Chem.,2009,47(21):5671-5681.
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