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    • 6. 发明公开
    • 절연 피복 도전 입자
    • 绝缘涂层电极颗粒
    • KR1020070105972A
    • 2007-10-31
    • KR1020077014409
    • 2005-02-25
    • 데쿠세리아루즈 가부시키가이샤
    • 고니시미사오구도노리아키
    • H01B5/00H01B5/16H01B1/22
    • H05K3/323C01P2006/40C09C3/10C09J163/00H01B1/22H01R4/04H05K2201/0224
    • [PROBLEMS] To impart simultaneously excellent solvent resistance and connection reliability to insulation-coated elecroconductive particles for anisotropic conductive adhesives. [MEANS FOR SOLVING PROBLEMS] In an electroconductive particle whose surface is covered with an insulating resin layer made of an insulating resin having functional groups, the insulating resin layer is surface-treated with a polyfunctional compound having other functional groups reactive with the functional groups of the insulating resin. When the functional groups of the insulating resin are carboxyl, it is preferable to use as the polyfunctional compound a polyfunctional aziridine such as trimethylolpropane tri-F-aziridinylpropionate, tetra-methylolmethane tri-F-aziridinylpropionate or N,N-hexa-methylene-1,6-bis-1-aziridinecarboxamide. The insulating resin layer is constituted of an insulating resin comprising acrylic acid monomer units or methacrylic acid monomer units, preferably an acrylic acid/styrene copolymer.
    • 为了赋予各向异性导电粘合剂的绝缘涂覆导电颗粒同时优异的耐溶剂性和连接可靠性。 解决问题的手段在表面覆盖有由具有官能团的绝缘树脂制成的绝缘树脂层的导电颗粒中,绝缘树脂层用具有与官能团的官能团反应的其它官能团的多官能化合物进行表面处理, 绝缘树脂。 当绝缘树脂的官能团为羧基时,优选使用多官能氮丙啶如三羟甲基丙烷三-F-氮丙啶丙酸酯,四羟甲基甲烷三-F-氮丙啶丙酸酯或N,N-六亚甲基-1 2,6-双 - 1-氮丙啶。 绝缘树脂层由包含丙烯酸单体单元或甲基丙烯酸单体单元,优选丙烯酸/苯乙烯共聚物的绝缘树脂构成。