不飽和ポリエステル樹脂およびその組成物の硬化過程に関する粘弾性的研究

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タイトル別名
  • Viscoelastic Investigation on the Curing Process of Unsaturated Polyester Resin and Its Compound
  • フホウワ ポリエステル ジュシ オヨビ ソノ ソセイブツ ノ コウカ カテイ

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抄録

Temperature and sonic velocity were measured in the course of curing of unsaturated polyester resin and its compound. A device to compensate curing shrinkage of the sample was attached to the instrument for the sonic velocity measurement. In many cases, sonic velocity increases rapidly around the time when temperature of the sample becomes maximum and then increases gradually toward an equillibrium value. The sonic velocity at each stage of curing depended on the composition and temperature of the sample resin. The temperature of the sample varieddepending on the curing condition including the sample shape. In addition, dynamic viscoelasticity of a matured unsaturated polyester resin was measured by torsional braid analysis method. The mode of softening which was followed by successive hardening of the matured resin with temperature elevation was represented by the change in dynamic modulus and loss tangent.

収録刊行物

  • 高分子論文集

    高分子論文集 36 (9), 609-615, 1979

    公益社団法人 高分子学会

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