发明名称 PROCESSING-FRIENDLY DIANHYDRIDE HARDENER FOR EPOXY RESIN SYSTEMS BASED ON 5,5'-CARBONYLBIS(ISOBENZOFURAN-1,3-DIONE)
摘要 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.
申请公布号 US2015175740(A1) 申请公布日期 2015.06.25
申请号 US201414575397 申请日期 2014.12.18
申请人 WILLY Benjamin;Neumann Manfred 发明人 WILLY Benjamin;Neumann Manfred
分类号 C08G59/42;C08G59/40 主分类号 C08G59/42
代理机构 代理人
主权项 1. A composition comprising: 5,5′-carbonylbis(isobenzofuran-1,3-dione); 3,3′,4,4′-benzophenonetetracarboxylic acid; and a 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.
地址 Duesseldorf DE