Ambient temperature rapid ATRP of methyl acrylate, methyl methacrylate and styrene in polar solvents with mixed transition metal catalyst system

被引：65

作者：

Mendonca, Patricia V. ^{[1
]}

Serra, Armenio C. ^{[2
]}

Coelho, Jorge F. J. ^{[1
]}

Popov, Anatoliy V. ^{[3
]}

Guliashvili, Tamaz ^{[4
]}

机构：

[1] Univ Coimbra, Dept Chem Engn, P-3030290 Coimbra, Portugal

[2] Univ Coimbra, Dept Chem, P-3004535 Coimbra, Portugal

[3] Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA

[4] GE Power & Water, Water & Proc Technol, Trevose, PA 19053 USA

来源：

EUROPEAN POLYMER JOURNAL | 2011年 / 47卷 / 07期

关键词：

Atom transfer radical polymerization; Methyl acrylate; Living radical polymerization; Mixed transition metal catalyst; TRANSFER RADICAL POLYMERIZATION; ULTRAFAST SYNTHESIS; ELECTRON-TRANSFER; LIGANDS; COPPER;

D O I：

10.1016/j.eurpolymj.2011.03.014

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Ambient temperature atom transfer radical polymerization (ATRP) of methyl acrylate (MA), methyl methacrylate (MMA) and styrene (Sty) in the presence of polar solvents (dimethyl sulfoxide: DMSO, dimethylformamide: DMF and acetonitrile: MeCN) with a mixed transition metal catalyst system (Fe(0) as initial activator and CuBr2/Me6TREN complex as deactivator) provides a rapid synthesis of polymers with very low polydispersity (PDI) values and predetermined molecular weights. The polymethylacrylate (PMA) prepared using this novel approach contains the Br-terminated chain ends (functionality similar to 100%) and can be successfully used for block copolymer synthesis (as demonstrated on the chain extension experiment performed using the PMA-Br macroinitiator). The key elementary reactions involved in this novel ATRP system and some preliminary mechanistic aspects of the process are also discussed. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1460 / 1466

页数：7

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