Polymerization of (p-Vinylphenyl)hydrogalvinoxyl and Formation of a Stable Polyradical Derivative

Takashi Kaneko*, Hiroyuki Tatsumi, Toshiki Aoki, Eizo Oikawa, Hajime Yoshiki, Naoki Yoshioka, Eishun Tsuchida, Hiroyuki Nishide

*この研究の対応する著者

研究成果: Article査読

17 被引用数 (Scopus)

抄録

4-[(3,5-Di-tert-butyl-4-hydroxyphenyl)(3,5-di-tert-butyl-4-oxo-cyclohexa-2, 5-dienylidene)methyl]styrene (abbreviated as (p-vinylphenyl)hydrogalvinoxyl) was polymerized using AIBN as an initiator to give a bright yellow polymer with M̄w = 3.2 × 104. The polymer was oxidized to give the corresponding polyradical derivative, whose spin concentration could be increased up to about 70 mol % depending on oxidative conditions. ESR signal line-width in the solid state was greatly increased below 200 K for the polyradical with a high spin concentration (> 50 mol %). The magnetization and magnetic susceptibility indicated weak antiferromagnetic interaction among the radical sites.

本文言語English
ページ(範囲)189-198
ページ数10
ジャーナルJournal of Polymer Science, Part A: Polymer Chemistry
37
2
出版ステータスPublished - 1999 1 15

ASJC Scopus subject areas

  • 材料化学
  • ポリマーおよびプラスチック

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