Solid-State Polymerization of Monophenylbutadiyne Derivatives

J Watanabe, H Yokoyama, S Okada…

Index: Watanabe, Jun-Ichi; Yokoyama, Harumi; Okada, Shuji; Takaragi, Shigeru; Matsuda, Hiro; Nakanishi, Hachiro Molecular Crystals and Liquid Crystals, 2009 , vol. 505, # 1 p. 441 - 447

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Abstract

Solid-state polymerization of phenylbutadiyne derivatives with o-nitro, m-nitro or p-nitro group was investigated. All monomers in bulk crystals could be thermally polymerized to become black suggesting formation of extended π-conjugation system. However, no regular polydiacetylene structures were confirmed by the structural analysis. Nanocrystals of the m- nitro derivative were prepared, and the different polymerization behavior compared with in ...