Synthesis of high molecular weight polystyrene using AGET ATRP under high pressure

被引：73

作者：

Mueller, Laura ^{[1
]}

Jakubowski, Wojciech ^{[1
]}

Matyjaszewski, Krzysztof ^{[1
]}

Pietrasik, Joanna ^{[2
]}

Kwiatkowski, Piotr ^{[3
]}

Chaladaj, Wojciech ^{[3
]}

Jurczak, Janusz ^{[3
]}

机构：

[1] Carnegie Mellon Univ, Dept Chem, Ctr Macromol Engn, Pittsburgh, PA 15213 USA

[2] Tech Univ Lodz, Inst Polymer & Dye Technol, PL-90924 Lodz, Poland

[3] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland

来源：

EUROPEAN POLYMER JOURNAL | 2011年 / 47卷 / 04期

基金：

美国国家科学基金会;

关键词：

Atom transfer radical polymerization (ATRP); High molecular weight; High pressure; Polystyrene (PS); TRANSFER RADICAL POLYMERIZATION; CHAIN-END FUNCTIONALITY; ARGET ATRP; ELECTRON-TRANSFER; METHYL-METHACRYLATE; BLOCK-COPOLYMERS; LIVING POLYMERS; REDUCING AGENT; STYRENE; RAFT;

D O I：

10.1016/j.eurpolymj.2010.10.006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

High molecular weight polystyrene (PS) was synthesized by ATRP. Under atmospheric pressure (1 bar), PS with M(n), up to 200,000 was prepared using either ARGET or ICAR ATRP. Under high pressure (6 kbar), higher molecular weight PS could be obtained due to accelerated radical propagation and diminished radical termination in polymerization of styrene. Therefore, it was possible to synthesize PS with M(n) > 1,000,000 and M(w)/M(n) < 1.25 using AGET ATRP under a pressure of 6 kbar at room temperature. This is the highest molecular weight linear PS prepared by a controlled radical polymerization. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：730 / 734

页数：5

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