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tBCPMA: a new trifunctional acrylic monomer for convenient synthesis of a well-defined amphiphilic graft copolymer by successive RDRP
其他题名tBCPMA: a new trifunctional acrylic monomer for convenient synthesis of a well-defined amphiphilic graft copolymer by successive RDRP
Feng C(冯纯)1; Lu GL(陆国林)1; Sun G(孙钢)1; Liu XW(刘训伟)1; Huang XY(黄晓宇)1
2014
发表期刊Polym. Chem.
卷号5期号:20页码:6027-6038
摘要A series of well-defined amphiphilic graft copolymers, consisting of a hydrophobic poly(tert-butyl acrylate) backbone and hydrophilic poly(N-isopropylacrylamide) side chains, were synthesized by successive reversible addition-fragmentation chain transfer (RAFT) polymerization and supplemental activator and reducing agent atom transfer radical polymerization (SARA ATRP) in the presence of Cu(0). A new Cl-containing acrylate monomer, tert-butyl 2-((2-chloropropanoyloxy)methyl)acrylate, was first RAFT homopolymerized in a controlled way to give a well-defined homopolymer with a narrow molecular weight distribution (M-w/M-n = 1.10). This homopolymer directly initiated SARA ATRP of N-isopropylacrylamide to afford well-defined poly(tert-butyl acrylate)-g-poly(N-isopropylacrylamide) (PtBA-g-PNIPAM) graft copolymers (M-w/M-n <= 1.30) via the grafting-from a strategy without polymeric functionality transformation to introduce the initiating group. Finally, the hydrophobic PtBA backbone was selectively hydrolyzed in an acidic environment without affecting PNIPAM side chains to provide poly(acrylic acid)g-poly(N-isopropylacrylamide) (PAA-g-PNIPAM) graft copolymers. The influences of the length of PNIPAM side chains and the salinity on the critical micelle concentration of the PtBA-g-PNIPAM amphiphilic graft copolymer were examined by fluorescence spectroscopy. Furthermore, thermo-responsive behaviors of the copolymers were investigated by UV-vis spectroscopy, dynamic light scattering, and transmission electron microscopy.
学科领域高分子化学
DOI10.1039/c4py00772g
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收录类别SCI
语种英语
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/38906
专题高分子材料研究室
通讯作者Sun G(孙钢); Huang XY(黄晓宇)
作者单位1.中科院上海有机化学研究所
2.中国人民解放军济南军区总医院
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Feng C,Lu GL,Sun G,et al. tBCPMA: a new trifunctional acrylic monomer for convenient synthesis of a well-defined amphiphilic graft copolymer by successive RDRP[J]. Polym. Chem.,2014,5(20):6027-6038.
APA 冯纯,陆国林,孙钢,刘训伟,&黄晓宇.(2014).tBCPMA: a new trifunctional acrylic monomer for convenient synthesis of a well-defined amphiphilic graft copolymer by successive RDRP.Polym. Chem.,5(20),6027-6038.
MLA 冯纯,et al."tBCPMA: a new trifunctional acrylic monomer for convenient synthesis of a well-defined amphiphilic graft copolymer by successive RDRP".Polym. Chem. 5.20(2014):6027-6038.
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