ポリブタジエンをブレンドしたゴムの粘弾性

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タイトル別名
  • VISCOELASTICITIES OF POLYBUTADIENE AND ITS BLENDS WITH NR AND SBR
  • ポリブタジエン オ ブレンド シタ ゴム ノ ネンダンセイ

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説明

Viscoelasticities of polybutadiene (PB), NR, SBR and their blends (50/50) were measured by VIBRON-II manufactured by Toyo Measuring Instrument. Dilatometry was also applied for the investigation of their crystallinities.<BR>The following results were obtained.<BR>(1) Crystallinity is observed with cured high cis PB, but the temperature of crystallinity is low as compared with that of raw polymer. Difference of Cis-content results in the difference of the temperature of crystallinity. In the case of low cis PB, crystallinity is never observed in both raw and cured polymers.<BR>(2) Blending of NR with either of PB produces a heterogeneous mixture, but low cis PB excels high cis PB in the compatibility. In the case of high cis PB, crystallinity is observed even in the blending with NR.<BR>(3) Blending of SBR with each of PB produces a homogeneous mixture except for one of high cis PB and crystallinity is almost never observed in the case of high cis PB.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 38 (12), 1086-1093, 1965

    一般社団法人 日本ゴム協会

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