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    • 8. 发明授权
    • Polishing sheet
    • 抛光片
    • US06299521B1
    • 2001-10-09
    • US08773304
    • 1996-12-24
    • Yasuhiro MorimuraHidefumi Kotsubo
    • Yasuhiro MorimuraHidefumi Kotsubo
    • B24D334
    • B24D3/28B24D11/00
    • The invention provides a polishing sheet comprising a support and an abrasive layer formed thereon with an adhesive layer interposed therebetween, characterized in that the adhesive layer is formed by a cured layer of a thermosetting and/or photo-curable curable adhesive composition based on at least one resin selected from the group consisting of (A) an ethylene-vinyl acetate copolymer, (B) a copolymer of ethylene, vinyl acetate, and an acrylate and/or methacrylate monomer, (C) a copolymer of ethylene, vinyl acetate, and maleic acid and/or maleic anhydride, (D) a copolymer of ethylene, an acrylate and/or methacrylate monomer, and maleic acid and/or maleic anhydride, and (E) an ionomer resin in the form of an ethylene-methacrylic acid copolymer whose molecules are bonded by a metal ion.
    • 本发明提供了一种抛光片,其包括支撑体和在其上形成有粘合剂层的磨料层,其特征在于,所述粘合剂层由至少基于至少一种的热固性和/或可光固化的可固化粘合剂组合物的固化层形成 一种选自(A)乙烯 - 乙酸乙烯酯共聚物,(B)乙烯,乙酸乙烯酯和丙烯酸酯和/或甲基丙烯酸酯单体的共聚物的树脂,(C)乙烯,乙酸乙烯酯和 马来酸和/或马来酸酐,(D)乙烯,丙烯酸酯和/或甲基丙烯酸酯单体和马来酸和/或马来酸酐的共聚物,和(E)乙烯 - 甲基丙烯酸共聚物形式的离聚物树脂 其分子通过金属离子键合。