The polymerization of xylylene bisdialkyl sulfonium salts

R. A. Wessling
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引用次数: 128

Abstract

Paraxylylene bisdialkyl sulfonium salts can be polymerized in several different ways, yielding addition polymers as well as condensation polymers. The chemistry leads to a variety of polymers including poly(p-xylylene), poly(p-xylylidene), poly(xylylene sulfide)s, poly(xylylene oxide)s, and various α-substituted polyxylylenes such as poly(p-xylylene-α-dialkylsulfonium chloride). Addition polymers form via xylylene diradical intermediates. Condensation polymerization can be effected either by coupling with aldehydes or by nucleophilic displacement reactions.

二甲苯双二烷基磺酸盐的聚合
对二甲苯双二烷基磺酸盐可以以几种不同的方式聚合,产生加成聚合物和缩合聚合物。化学反应产生了各种聚合物,包括聚(对二甲苯)、聚(对二甲苯)、聚(硫化二甲苯)、聚(环氧二甲苯)和各种α-取代的聚二甲苯,如聚(对二甲苯-α-二烷基磺酰氯)。加成聚合物通过二甲苯二自由基中间体形成。缩合聚合可以通过与醛的偶联或亲核位移反应来实现。
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