Aqueous RAFT Polymerization of 2-Aminoethyl Methacrylate to Produce Well-Defined, Primary Amine Functional Homo- and Copolymers

被引：61

作者：

Alidedeoglu, Alp H. ^{[1
]}

York, Adam W. ^{[1
]}

McCormick, Charles L. ^{[1
]}

Morgan, Sarah E. ^{[1
]}

机构：

[1] Univ So Mississippi, Sch Polymers & High Performance Mat, Hattiesburg, MS 39406 USA

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2009年 / 47卷 / 20期

基金：

美国国家科学基金会;

关键词：

aqueous reversible addition-fragmentation chain transfer (RAFT); block copolymers; functionalization of polymers; polymerization kinetics; WATER-SOLUBLE POLYMERS; AMPHIPHILIC DIBLOCK COPOLYMERS; CHAIN TRANSFER AGENTS; N-ISOPROPYLACRYLAMIDE; BLOCK-COPOLYMERS; HPMA COPOLYMERS; RADICAL POLYMERIZATION; AMBIENT-TEMPERATURE; HYDROPHILIC POLYMER; COLLOIDAL STABILITY;

D O I：

10.1002/pola.23590

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report the direct homopolymerization and block copolymerization of 2-aminoethyl methacrylate (AEMA) via aqueous reversible addition-fragmentation chain transfer (RAFT) polymerization. The controlled "living" polymerization of AEMA was carried out directly in aqueous buffer using 4-cyanopentanoic acid dithiobenzoate (CTP) as the chain transfer agent (CTA), and 2,2'-azobis(2-imidazolinylpropane) dihydrochloride (VA-044) as the initiator at 50 degrees C. The controlled "living" character of the polymerization was verified with pseudo-first order kinetic plots, a linear increase of the molecular weight with conversion, and low polydispersities (PDIs) (<1.2). In addition, well-defined copolymers of poly(AEMA-b-HPMA) have been prepared through chain extension of poly(AEMA) macroCTA with N-(2-hydroxypropyl)methacrylamide (HPMA) in water. It is shown that the macroCTA can be extended in a controlled fashion resulting in near monodisperse block copolymers. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 5405-5415, 2009

引用

页码：5405 / 5415

页数：11

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