Spherulitic morphology and growth of poly(vinylidene fluoride)/poly(3- hydroxybutyrate-co-hydroxyvalerate) blends by optical microscopy

Zhaobin Qiu, So Fujinami, Motonori Komura, Ken Nakajima, Takayuki Ikehara, Toshio Nishi

    研究成果: Article査読

    41 被引用数 (Scopus)

    抄録

    Poly(vinylidene fluoride) (PVDF) and poly(3-hydroxybutyrate-co- hydroxyvalerate) (PHBV), both semicrystalline polymers, are miscible as shown by the single glass transition temperature over the entire composition range. Morphology of PVDF/PHBV blends was investigated by optical microscopy under two different crystallization conditions. PVDF showed the spherulitic morphology at 150°C in the PVDF/PHBV blends, where PHBV acted as the noncrystallizing component. PHBV also showed the spherulitic morphology within the matrix of the pre-existing PVDF crystals when PVDF/PHBV blends were quenched from the melt to the crystallization temperature below the melting point of PHBV. The spherulitic growth of PHBV was investigated as the function of both blend composition and crystallization temperature.

    本文言語English
    ページ(範囲)4355-4360
    ページ数6
    ジャーナルPolymer
    45
    13
    DOI
    出版ステータスPublished - 2004 6

    ASJC Scopus subject areas

    • Organic Chemistry
    • Polymers and Plastics
    • Materials Chemistry

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