PROTON-EXCHANGE MEMBRANES BY RADIATION GRAFTING OF STYRENE ONTO FEP FILMS .2. MECHANISM OF THERMAL-DEGRADATION IN COPOLYMER MEMBRANES

被引：47
|
作者：
GUPTA, B
HIGHFIELD, JG
SCHERER, GG
机构：
[1] Paul Scherrer Institute, PSI, Villigen
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1994年 / 51卷 / 09期
关键词：
D O I：
10.1002/app.1994.070510916
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 thermal degradation of radiation-grafted and sulfonated FEP-g-polystyrene membrane has been investigated in the temperature range 50-650 degrees C in an inert gas atmosphere by thermogravimetry. The evolved gaseous products were analyzed by FTIR in combination with mass spectrometry to correlate weight losses at different temperatures with molecular composition of the copolymer membrane. On the basis of these results, a simple degradation model has been established. (C) 1994 John Wiley and Sons, Inc.
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收藏
页码：1659 / 1666
页数：8
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