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    • 4. 发明授权
    • Coated abrasive article
    • 涂层磨料制品
    • US06359027B1
    • 2002-03-19
    • US09564013
    • 2000-05-03
    • Gregg D. DahlkeRobert J. DeVoeClayton A. GeorgeNaimul Karim
    • Gregg D. DahlkeRobert J. DeVoeClayton A. GeorgeNaimul Karim
    • C08F248
    • C08G59/68B24D3/28B24D18/00C09D163/00Y10S430/114Y10S430/115Y10T428/1452Y10T428/25Y10T428/254Y10T428/28Y10T428/2809Y10T428/2852Y10T428/31511C08L2666/04
    • A coated abrasive article comprises a backing, a first binder on the backing, and a plurality of abrasive particles in the first binder. The first binder precursor is an energy-curable preferably, melt-processable resin containing an epoxy resin, an ethylene-vinyl acetate copolymer, and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The above binder precursors of the invention are preferably free of homopolymers and copolymers of olefinic monomers. In another aspect, the invention also describes an energy curable first binder precursor containing an epoxy resin, an ethylene-vinyl acetate copolymer, a polyfunctional acrylate component and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The invention also relates to a method of producing such coated abrasive articles and a surface-treated backing material.
    • 涂覆的磨料制品包括背衬,背衬上的第一粘合剂和第一粘合剂中的多个磨料颗粒。 第一粘合剂前体是能够固化的优选可熔融加工的树脂,其包含环氧树脂,乙烯 - 乙酸乙烯酯共聚物和用于交联环氧树脂的固化剂,其被固化以提供交联的成膜涂层。 本发明的上述粘合剂前体优选不含烯烃单体的均聚物和共聚物。 在另一方面,本发明还描述了一种能量可固化的第一粘合剂前体,其包含环氧树脂,乙烯 - 乙酸乙烯酯共聚物,多官能丙烯酸酯组分和用于交联环氧树脂的固化剂,其被固化以提供交联的成型涂层。 本发明还涉及生产这种涂覆的磨料制品和经表面处理的背衬材料的方法。