INVESTIGATION OF THE ADDITION OF THIOLS TO POLYBUTADIENES

被引:20
|
作者
KLEMM, E
GORSKI, U
机构
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D O I
10.1002/apmc.1993.052070117
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 free-radical addition of 1-octanediol (RSH) on polybutadienes with different molecular weights and configuration of the C-C double bonds occurs selectively to the 1,2-vinyl and 1,4-cis double bond, while the 1,4-trans double bond remains unchanged. The reactivity order 1,2- > cis > trans is confirmed by the model experiments with the isomers of pentene. The addition is favoured by the formation of an olefin/RSH charge-transfer complex as preinitiation step.
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页码:187 / 193
页数:7
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