Synthesis of Michael Acceptor Ionomers of Poly(4-Sulfonated Styrene-co-Poly(ethylene Glycol) Methyl Ether Acrylate)

被引：11

作者：

Alconcel, Steevens N. S. ^{[1
,2
]}

Grover, Gregory N. ^{[1
,2
]}

Matsumoto, Nicholas M. ^{[1
,2
]}

Maynard, Heather D. ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 2009年 / 62卷 / 11期

基金：

美国国家科学基金会;

关键词：

LIVING RADICAL POLYMERIZATION; SULFONATE ETHYL-ESTER; BLOCK-COPOLYMERS; GRADIENT COPOLYMERS; RAFT POLYMERIZATION; POLYMERS; BRUSHES; ATRP;

D O I：

10.1071/CH09398

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ionomers containing sodium 4-styrene sulfonate (4SS) and poly(ethylene glycol) methyl ether acrylate (PEGA) were synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. The polymerization was mediated by 1-phenylethyl dithiobenzoate chain transfer agent in a dimethylformamide/water solvent system. Well-defined copolymers of pPEGA-co-4SS were produced with molecular weights ranging from 10 to 40 kDa and polydispersity indices of 1.06-1.18 by gel permeation chromatography against monodisperse poly(methyl methacrylate) standards. After polymerization, the dithioester was reduced and trapped in situ with divinyl sulfone to produce a well-defined, semitelechelic pPEGA-co-4SS Michael acceptor polymer. UV-visible, infrared, and H-1 NMR spectroscopy confirmed that the integrity of the polymer backbone was maintained and that the vinyl sulfone was successfully incorporated at the chain end.

引用

页码：1496 / 1500

页数：5

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