<b>Development of High Thermal Resistant Hardener using C-Methylcalix[4] Resorcinarene Derivatives for Epoxy Thermosetting Resin System </b>

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  • Shinya Nakamura
    Encapsulation Materials R&D Dept., Electronics-related Materials Development Center, R&D Headquarters, Hitachi Chemical Co.,Ltd.
  • Hiroto Kudo
    Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University
  • Tadatomi Nishikubo
    Department of and Material and Life Chemistry, Faculty of Engineering, Kanagawa University

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  • <b>C-メチルカリックス［4］レゾルシンアレーンの化学修飾による </b><b>エポキシ樹脂用高耐熱硬化剤の開発 </b>
  • C-メチルカリックス[4]レゾルシンアレーンの化学修飾によるエポキシ樹脂用高耐熱硬化剤の開発
  • C-メチルカリックス[4]レゾルシンアレーン ノ カガク シュウショク ニ ヨル エポキシ ジュシヨウ コウタイネツ コウカザイ ノ カイハツ

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<p>Synthesis and physical properties of C-methylcalix[4]resorcinarene (CRA) derivatives were examined relevant to novel cross-linkers for epoxy thermosetting resin system. The CRA derivatives were synthesized by the reaction of CRA with glycidyl phenyl ether (PGE), acetyl chloride (AC), and allyl bromide, yielding CRA−PGE, CRA−AC, and CRA−AE, respectively. Among them, CRA−AE had better solubility and flowability. Furthermore, the curing material could be obtained by epoxy thermosetting system using CRA−AE, and its no Tg could be shown, i.e., it is a Tg-less cured resin.</p>

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