Solid-State Polymerization of Diacetylene Microcrystals

Rieko Iida, Hirokazu Kamatani, Hitoshi Kasai, Shuji Okada, Hidetoshi Oikawa, Hiro Matsuda, Atsushi Kakuta, Hachiro Nakanishi

研究成果: Article査読

41 被引用数 (Scopus)

抄録

Microcrystals of two different types of diacetylene monomers, i.e. 4BCMU known for giving a soluble polydiacetylene and 14-8 ADA known as an amphiphilic diacetylene, were prepared and in their solid-state polymerization behaviors were investigated. The polymerization of 4BCMU proceeded quantitatively in the perfect crystalline lattice to give blue-colored polymer crystals. Averaged molecular weight of poly-4BCMU was found to be proportional to microcrystal size, implying that the solid-state polymerization proceeds from one end to the other end of microcrystals. 14-8 ADA microcrystals gave very stable water dispersion even after polymerization, so that the detailed analysis of polymerization behaviors was possible. Size-dependent spectral change and final conversion found for 14-8 ADA were discussed in terms of strain and thermal motion of the crystal lattice.

本文言語English
ページ(範囲)95-100
ページ数6
ジャーナルMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
267
1
DOI
出版ステータスPublished - 1995 10 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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