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Synthesis of well-defined amphiphilic polymethylene-b-poly(e-caprolactone)-b-poly(acrylic acid) triblock copolymer via a combination of polyhomologation, ring-opening polymerization, and atom transfer radical polymerization
其他题名利用同源聚合、开环聚合与原子转移自由基聚合相结合的方法合成结构可控的两亲性聚亚甲基-b-聚己内酯-b-聚丙烯酸三嵌段共聚物
Yuan C(袁聪); Lv HC(吕会朝); Li QZ(李启蒸); Yang S(杨森); Zhao QL(赵巧玲); Huang J(黄晋); Wei LH(魏柳荷); Ma Z(马志)
2012
发表期刊J. Polym. Sci. Pol. Chem.
ISSN0887-624X
卷号50期号:12页码:2398-2405
摘要Well-defined amphiphilic polymethylene-b-poly(e-caprolactone)-b-poly(acrylic acid) (PM-b-PCL-b-PAA) triblock copolymers were synthesized via a combination of polyhomologation, ring-opening polymerization (ROP), and atom transfer radical polymerization (ATRP). First, hydroxyl-terminated polymethylenes (PM-OH; Mn = 1100 g mol-1; Mw/Mn = 1.09) were produced by polyhomologation followed by oxidation. Then, the PM-b-PCL (Mn = 10,000 g mol-1; Mw/Mn = 1.27) diblock copolymers were synthesized via ROP of e-caprolactone using PM-OH as macroinitiator and stannous octanoate (Sn(Oct)2) as a catalyst. Subsequently, the macroinitiator transformed from PM-b-PCL in high conversion initiated ATRPs of tert-butyl acrylate (tBA) to construct PM-b-PCL-b-PtBA triblock copolymers (Mn = 11,00014,000 g mol-1; Mw/Mn = 1.241.26). Finally, the PM-b-PCL-b-PAA triblock copolymers were obtained via the hydrolysis of the PtBA segment in PM-b-PCL-b-PtBA triblock copolymers. The chain structures of all the polymers were characterized by gel permeation chromatography, proton nuclear magnetic resonance, and Fourier transform infrared spectroscopy. Porous films of such triblock copolymers were fabricated by static breath-figure method and observed by scanning electron microscope. The aggregates of PM-b-PCL-b-PAA triblock copolymer were studied by transmission electron microscope. (c) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
学科领域高分子化学
部门归属中科院上海有机化学研究所; 郑州大学
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收录类别SCI
语种英语
WOS记录号WOS:000303758200010
引用统计
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/28399
专题高分子材料研究室
通讯作者Wei LH(魏柳荷); Ma Z(马志)
推荐引用方式
GB/T 7714
Yuan C,Lv HC,Li QZ,et al. Synthesis of well-defined amphiphilic polymethylene-b-poly(e-caprolactone)-b-poly(acrylic acid) triblock copolymer via a combination of polyhomologation, ring-opening polymerization, and atom transfer radical polymerization[J]. J. Polym. Sci. Pol. Chem.,2012,50(12):2398-2405.
APA 袁聪.,吕会朝.,李启蒸.,杨森.,赵巧玲.,...&马志.(2012).Synthesis of well-defined amphiphilic polymethylene-b-poly(e-caprolactone)-b-poly(acrylic acid) triblock copolymer via a combination of polyhomologation, ring-opening polymerization, and atom transfer radical polymerization.J. Polym. Sci. Pol. Chem.,50(12),2398-2405.
MLA 袁聪,et al."Synthesis of well-defined amphiphilic polymethylene-b-poly(e-caprolactone)-b-poly(acrylic acid) triblock copolymer via a combination of polyhomologation, ring-opening polymerization, and atom transfer radical polymerization".J. Polym. Sci. Pol. Chem. 50.12(2012):2398-2405.
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