PROCESSING-FRIENDLY DIANHYDRIDE HARDENER FOR EPOXY RESIN SYSTEMS BASED ON 5,5'-CARBONYLBIS(ISOBENZOFURAN-1,3-DIONE)
申请人:WILLY Benjamin
公开号:US20150175740A1
公开(公告)日:2015-06-25
The present invention provides a composition comprising 5,5′-carbonylbis(isobenzofuran-1,3-dione), 3,3′,4,4′-benzophenonetetracarboxylic acid and at least one monoanhydride compound selected from the group consisting of methylhexahydroisobenzofuran-1,3-dione, 5-methyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione, 5-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione, 3-methylfuran-2,5-dione, 3,3,4,4,5,5-hexafluorodihydro-2H-pyran-2,6(3H)-dione and 3,3-dimethyldihydrofuran-2,5-dione. The invention also provides a hardener system for an epoxy resin, said hardener system comprising said composition. The invention also provides a method for hardening an epoxy resin employing the inventive composition.
本发明提供了一种组合物,包括5,5'-羰基双(异苯并呋喃-1,3-二酮)、3,3',4,4'-苯并苯酸四羧酸和至少一种来自甲基己氢异苯并呋喃-1,3-二酮、5-甲基-3a,4,7,7a-四氢-4,7-甲基异苯并呋喃-1,3-二酮、5-甲基-3a,4,7,7a-四氢异苯并呋喃-1,3-二酮、3-甲基呋喃-2,5-二酮、3,3,4,4,5,5-六氟二氢吡喃-2,6(3H)-二酮和3,3-二甲基二氢呋喃-2,5-二酮的单酸酐化合物。本发明还提供了一种用于环氧树脂的硬化剂体系,该硬化剂体系包括所述的组合物。本发明还提供了一种采用本发明组合物硬化环氧树脂的方法。