Phase Structure and Thermal and Mechanical Properties of Epoxy/Clay Nano-composites

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  • エポキシ/クレイナノコンポジットにおける相構造と熱的、機械的性質
  • エポキシ クレイナノコンポジット ニ オケル ソウ コウゾウ ト ネツテキ キカイテキ セイシツ

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Nano-composites were prepared from an epoxy resin and organoclay via an intercalation process. Organoclay was prepared by a cation exchange of montmorillonite (MMT) with an intercalation agent such as dodecylamine or 12-aminododecanoic acid. The obtained epoxy/clay nano-composites were studied with regard to phase structure and thermal and mechanical properties. Observation with transmission electron microscopy (TEM) revealed that the organoclay having a wider interlayer space had higher dispersibility. Tan δ curve of the nano-composites prepared from MMT treated with 12-aminododecanoic acid was observed remarkably shifting to a high temperature region. This may result from increasing transition energy due to the formation of covalent bond between the clay and epoxy resin.

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