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Synthesis of poly(2,6-dimethylphenylene sulfide) by photooxidative polymerization

✍ Scribed by Kimihisa Yamamoto; Kenichi Oyaizu; Eishun Tsuchida

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
376 KB
Volume
195
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Photo‐oxidation of bis(3,5‐dimethylphenyl) disulfide proceeds in the presence of aromatic nitriles as sensitizers. Catalytic amounts of 9,10‐dicyanoanthracene act as an electron mediator of the transfer from the disulfide to oxygen in the presence of biphenyl as a co‐sensitizer. The photo‐redox system enabled an efficient formation of poly(thio‐2,6‐dimethyl‐1,4‐phenylene) through electrophilic reaction of the sulfonium cation produced in the photo‐oxidation.

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