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

    42 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月 1

    ASJC Scopus subject areas

    • 凝縮系物理学

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