Emulsion atom transfer radical polymerization of 2-ethylhexyl methacrylate

被引：49

作者：

Eslami, H

Zhu, SP

机构：

[1] McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7, Canada

[2] McMaster Univ, Dept Chem Engn, Hamilton, ON L8S 4L7, Canada

来源：

POLYMER | 2005年 / 46卷 / 15期

关键词：

atom transfer radical polymerization (ATRP); emulsion polymerization; latex;

D O I：

10.1016/j.polymer.2005.05.031

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The emulsion atom transfer radical polymerization (ATRP) of 2-ethylhexyl methacrylate (EHMA) was carried out with ethyl 2-bromoisobutyrate (EBiB) as an initiator and copper bromide (CuBr)/4,4'-dinonyl-2,2'-bipyridyl (dNbpy) as a catalyst system. The effects of surfactant type and concentration, temperature, monomer/initiator ratio, and CuBr2 addition on the system livingness, polymer molecular weight control, and latex stability were examined in detail. It was found that the polymerization systems with Tween 80 and Brij 98 as surfactants at 30 degrees C gave the best latex stability. The polymer samples prepared under these conditions had narrow molecular weight distributions (M-w/M-n= 1.1-1.2) and linear relationships of number-average molecular weight versus monomer conversion. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：5484 / 5493

页数：10

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