Temperature dependence of birefringence and stress for natural rubber vulcanizates at strained state

Akihiro Suzuki, Hidetoshi Oikawa, Kenkichi Murakami

    研究成果: Article査読

    5 被引用数 (Scopus)

    抄録

    The temperature dependence of stress and birefringence for natural rubber vulcanizates under medium and large deformation was measured for the processes of cooling, heating and re-cooling. In order to investigate the relation between the stress and crystal phase, the observed birefringence, Δt, was converted into the crystallinity, Xv, by the following equation: Xv = Δt-Δna°fa Δnc°fc-Δna°fa. where Δn0c, Δn0a, fa and fc are the intrinsic birefringence of the crystal, that of the amorphous phase, the orientation factor of crystallites, and that of amorphous phase, respectively. The fusion of crystallites induced by the thermal crystallization resulted in the increasing contractile force, while the fusion of strain-induced crystallites induced the reduction of contractile force.

    本文言語English
    ページ(範囲)247-252
    ページ数6
    ジャーナルPolymer
    26
    2
    DOI
    出版ステータスPublished - 1985 2月

    ASJC Scopus subject areas

    • 有機化学
    • ポリマーおよびプラスチック
    • 材料化学

    フィンガープリント

    「Temperature dependence of birefringence and stress for natural rubber vulcanizates at strained state」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

    引用スタイル