Thermally promoted elimination and substitution reactions in poly(p-arylene vinylene) precursor polyelectrolytes

被引：2
|
作者：
Garay, RO [1 ]
Sarimbalis, MN [1 ]
Hernández, SA [1 ]
Montani, RS [1 ]
机构：
[1] Univ Nacl Sur, Dept Quim & Ing Quim, INIQO, RA-8000 Bahia Blanca, Buenos Aires, Argentina
来源：
MACROMOLECULES | 2000年 / 33卷 / 12期
关键词：
D O I：
10.1021/ma990390d
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 conversion of dialkylsulfonium polyelectrolyte precursor polymers Ib-e to poly(p-arylene vinylene)s was studied by direct pyrolysis mass spectrometry in order to elucidate the mechanism of the sulfonium elimination reaction. The temperature dependence of the single ion currents of the four more abundant volatile products was correlated with the structural changes introduced in the arylene moiety of the polyelectrolytes and with the counterion nature. Experimental results suggest that the elimination reactions in the solid state proceed through an E2 mechanism.
引用
收藏
页码：4398 / 4402
页数：5
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