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1.发明公开
公开(公告)号：EP3851474A1
公开(公告)日：2021-07-21
申请号：EP19859067.1
申请日：2019-05-27
发明人： KATAGI, Hideyuki , HIGASHIUCHI, Tomoko , NAKAMURA, Yuki , FUKUDA, Kazumasa , MARUYAMA, Naoki , TIAN, Lin
摘要： An epoxy resin includes a reaction product between an epoxy compound and a compound having a naphthalene structure and a functional group that is reactive with an epoxy group.
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2.发明公开
公开(公告)号：EP3851473A1
公开(公告)日：2021-07-21
申请号：EP18933211.7
申请日：2018-09-10
发明人： MARUYAMA, Naoki , HIGASHIUCHI, Tomoko , FUKUDA, Kazumasa , KATAGI, Hideyuki , NAKAMURA, Yuki , TAKEZAWA, Yoshitaka
摘要： An epoxy resin includes an epoxy compound having a mesogenic structure, a cured product of the epoxy resin having a flexural modulus of 3.0 GPa or more at 23°C, a fracture toughness of 1.0 MPa•m 1/2 or more, and a glass transition temperature of 150°C or higher.
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3.发明公开
公开(公告)号：EP3950760A1
公开(公告)日：2022-02-09
申请号：EP19921760.5
申请日：2019-03-27
发明人： KATAGI, Hideyuki , NAKAMURA, Yuki , FUKUDA, Kazumasa , IKEDA, Tomohiro , TIAN, Lin , TOUGASAKI, Kei , MARUYAMA, Naoki , TAKEZAWA, Yoshitaka
摘要： An epoxy resin includes a reaction product between: an epoxy compound having a mesogenic structure; and at least one selected from the group consisting of an aromatic hydroxycarboxylic acid having a carboxy group and a hydroxy group bonded to an aromatic ring and an aromatic dicarboxylic acid having two carboxy groups bonded to an aromatic group.
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