Cationic polymerization of styrene and indene in iodine/liquid sulfur dioxide system

被引：4
作者：
Vivoni, AM [1 ]
Silva, AS [1 ]
Soares, BG [1 ]
机构：
[1] FED UNIV RIO DE JANEIRO,INST MACROMOL,CTR TECNOL,BR-21945970 RIO JANEIRO,BRAZIL
来源：
POLYMER BULLETIN | 1996年 / 37卷 / 06期
关键词：
D O I：
10.1007/BF00295770
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 cationic polymerizations of indene (Ind) and styrene (Sty) initiated by iodine (I-2) in liquid sulfur dioxide (SO2) were investigated. Reactions involving Ind were characterized by termination by neutralization between the growing carbocationic species and the nucleophilic counteranion, at low temperature. Sty polymerization is also termination-dominate and gives low conversion at -20 degrees C. High resolution gas chromatography coupled with mass spectrometry (HGC-MS) analysis of non polymeric material in the Sty polymerization suggested that initiation of Sty polymerization involves the formation of 1,2 diiodide adduct prior to initiation with HI.
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页码：729 / 735
页数：7
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