Curing of Epoxy Resin with Amine Having Alkoxysilyl Group

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  • アルコキシシリル基を持つアミンによるエポキシ樹脂の硬化
  • アルコキシシリルキ オ モツ アミン ニ ヨル エポキシ ジュシ ノ コウカ

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Epoxy resins of bisphenol A type cured with alkylamines having an alkoxysilyl group, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane (S320) and 3-aminopropyl-trimethoxysilane (S330) were prepared and their thermal /mechanical properties were analyzed by means of thermogravimetry, differential scanning calorimetry and dynamic viscoelasticity measurement. From the comparison of these properties with those of the resin cured with an ordinary amine agent, B002, it was revealed that the crosslinking reaction took place by hydrolysis of the alkoxysilyl group followed by condensation reaction resulting in the formation of siloxane linkage, together with the cuing of epoxy resin with amine.The thermal treatment at temperatures higher than 100°C was shown to be required for the formation of siloxane crosslinking.

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