发明名称 |
PROCESSING-FRIENDLY DIANHYDRIDE HARDENER FOR EPOXY RESIN SYSTEMS BASED ON 5,5'-OXYBIS(ISOBENZOFURAN-1,3-DIONE) |
摘要 |
The present invention provides a composition comprising 5,5′-oxybis(isobenzofuran-1,3-dione), 4,4′-oxybis(ortho-phthalic 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-3 a,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 epoxy resins, said hardener system comprising said composition. The invention also provides a method for hardening of epoxy resins employing the inventive composition. |
申请公布号 |
US2015175738(A1) |
申请公布日期 |
2015.06.25 |
申请号 |
US201414575331 |
申请日期 |
2014.12.18 |
申请人 |
WILLY Benjamin;Neumann Manfred |
发明人 |
WILLY Benjamin;Neumann Manfred |
分类号 |
C08G59/16 |
主分类号 |
C08G59/16 |
代理机构 |
|
代理人 |
|
主权项 |
1. A composition comprising:
5,5′-oxybis(isobenzofuran-1,3-dione); 4,4′-oxybis(ortho-phthalic 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 |