Radiation induced polymerization of MMA in imidazolium ionic liquids and their mixed solutions with organic solvents

被引：13
|
作者：
Qi, Mingying [1 ,2 ]
Wu, Guozhong [1 ]
Sha, Maolin [1 ,2 ]
Liu, Yusheng [1 ,2 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
RADIATION PHYSICS AND CHEMISTRY | 2008年 / 77卷 / 10-12期
基金：
中国国家自然科学基金;
关键词：
ionic liquid; radiation polymerization;
D O I：
10.1016/j.radphyschem.2008.05.019
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Considerably higher molecular weight (M,) and multi-modal molecular weight distribution (MWD) of poly(methyl methacrylate) (PMMA) were observed in neat ionic liquids ([bmim][PF6] and [bmim][BF4]), as well as their mixed solutions with organic solvents, probably due to the high viscosity and inhomogeneity of ionic liquids. FTIR spectra for PMMA showed that a slight amount of ionic liquid remained in the resulting polymer, and DSC measurement indicated the increase of glass transition point of PMMA with increasing of ionic liquid fraction in mixed solutions. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1248 / 1252
页数：5
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