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Synthesis, Structure, and Property of Well-Defined Polymethylene-Based Diblock Copolymers by a Combination of Living Polymerization of Ylides and Atom Transfer Radical Polymerization
Alternative Title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
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)
2009
Source PublicationJ. Polym. Sci. Pol. Chem.
ISSN0887-624X
Volume47Issue:21Pages:5671-5681
AbstractA 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
Subject Area高分子化学
Department上海有机所; 郑州大学
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Indexed BySCI
Language英语
WOS IDWOS:000271669700009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sioc.ac.cn/handle/331003/25365
Collection分析化学研究室
Corresponding AuthorMa Z(马志)
Recommended Citation
GB/T 7714
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.
APA 陈健壮.,赵巧玲.,史丽萍.,黄晋.,李光玉.,...&马志.(2009).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. Polym. Sci. Pol. Chem.,47(21),5671-5681.
MLA 陈健壮,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. Polym. Sci. Pol. Chem. 47.21(2009):5671-5681.
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