Properties of The Crystalline Cured Polymers Obtained from EpoxyResin Having Diphenylene Ether Structure and Aromatic Diamine

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  • Masashi Kaji
    * Research & Development Division, Nippon Steel Chemical & Material Co., Ltd.
  • Koichiro Ogami
    * Research & Development Division, Nippon Steel Chemical & Material Co., Ltd.

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  • ジフェニレンエーテル構造を有するエポキシ樹脂と芳香族ジアミンとの反応による結晶性硬化物の物性
  • ジフェニレンエーテル コウゾウ オ ユウスル エポキシ ジュシ ト ホウコウゾク ジアミン ト ノ ハンノウ ニ ヨル ケッショウセイ コウカブツ ノ ブッセイ

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Abstract

<p>It has been found that a crystalline cured polymer is obtained by the reaction of 4,4'-oxybis(glycidyloxybenzene) (OBGB) having a diphenylene ether structure and 4,4'-oxybisphenol (OBP). As a result of examining the combined use of OBP and 4,4'-diaminodiphenyl sulfone (DDS) as a curing agent, it was confirmed that crystalline cured polymers were obtained up to DDS ratio of 30 wt% in the curing agent. The use of DDS improved the glass transition temperature and the thermal conductivity, and reduced the coefficient of liner thermal expansion and water absorption due to the crystallinity.</p>

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