高分子材料　　ビスフェノールＡポリカーボネートの副分散　動的複屈折による検討

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タイトル別名
  • Polymer Materials. Sub-Relaxation of Bisphenol a Polycarbonate Studied with Dynamic Birefringence.
  • ビスフェノール A ポリカーボネート ノ フクブンサン ドウテキフククッセツ ニ ヨル ケントウ

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抄録

Dynamic birefringence and dynamic viscoelasticity of bisphenol A polycarbonate were simultaneously measured over a wide range of temperature from -150 to 180°C. Large γ dispersion observed for the complex Young's modulus was found to be inactive for the complex strain-optical coefficients, which is the ratio of birefringence to the strain. The present result indicates that γ dispersion cannot be attributed to the reorientation of any atomic groups, but to the relaxation of internal strain by translational motions. Dynamic birefringence was anticipated to be a new experimental method for the subrelaxation of glassy polymers.

収録刊行物

  • 材料

    材料 49 (12), 1298-1300, 2000

    公益社団法人 日本材料学会

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