Cross-linking of polystyrene by Friedel-Crafts chemistry

被引：0
|
作者：
Li, JM
Wilkie, CA
机构：
来源：
ANTEC '96: PLASTICS - RACING INTO THE FUTURE, VOLS I-III: VOL I: PROCESSING; VOL II: MATERIALS; VOL III: SPACIAL AREAS | 1996年 / 42卷
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The alkylation of polystyrene with a difunctional alkylating agent, either 1,4-benzenedimethanol or 2,2'-biphenyldimethanol, proceeds in the presence of a zeolite catalyst to give a significant amount of dress-linked, and thermally stable, polymer. Various zeolites are used as catalysts; there is apparently some relationship between the type of zeolite and its catalytic activity. Tile extent of cross-linking depends upon-temperature. With some zeolites there is no reaction below 300 degrees C while others will permit reaction below 300 degrees C.
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页码：3033 / 3037
页数：5
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