Determination of the stereochemistry of poly(1,3-cyclohexadiene) via end group functionalization

被引：15
|
作者：
Williamson, DT [1 ]
Glass, TE [1 ]
Long, TE [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Dept Chem, Blacksburg, VA 24061 USA
来源：
MACROMOLECULES | 2001年 / 34卷 / 17期
关键词：
D O I：
10.1021/ma0103167
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 stereochemistry of poly(1,3-cyclohexadiene) was examined through end group functionalization with chlorotrimethylsilane. The polymer backbone of poly(1,3-cyclohexadiene) contained 70% 1,2 addition and 30% 1,4-addition. The regiochemistry of 6000 trimethylsilyl (TMS) end-capped chain ends was examined through both 1H and 29Si nuclear magnetic resonance (NMR). The ratio ofthe cis vs trans stereomolecules of poly(1,3-cyclohexadiene) were determined upon 1H NMR examination of the TMS end groups, and found to be 6% trans and 18% cis of the total 24% 1,4-addition.
引用
收藏
页码：6144 / 6146
页数：3
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