ポリプロピレンのレジリエンス

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書誌事項

タイトル別名
  • STUDIES ON RESILIENCE OF HIGH POLYMERS
  • ポリプロピレン ノ レジリエンス
  • VIII. RESILIENCE OF POLYPROPYLENE

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抄録

In order to study the viscoelastic properties of steroregular polymer, measurements of resilience were made on polypropylene by Dunlop Tripsometer over a temperature range of -70°C to 200°C. It was associated that β absorption observed at -60--40°C was corresponded to motion of short segments as γ transition of polyethylene, and α absorption, observed in the vicinity of 0°C, was corresponded to the segmental motion of long chains. Rapid decreasing of resilience over about 100°C was associated with absorption related to crystalline melting. The higher transition temperature of polypropylene, as compared with related transition of polyethylene, may be mainly due to increasing of intermolecular force.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 34 (7), 538-540, 1961

    一般社団法人 日本ゴム協会

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