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CN104725601A 基于5,5`-羰基双(异苯并呋喃-1,3-二酮)的用于环氧树脂体系的加工友好的二酐固化剂 无效 - 撤回 转让

基于5,5`-羰基双(异苯并呋喃-1,3-二酮)的用于环氧树脂体系的加工友好的二酐固化剂
摘要：
本发明涉及包含5,5'羰基双(异苯并呋喃-1,3-二酮)、3,3',4,4'-二苯甲酮四甲酸和选自下述的至少一种单酐化合物的组合物：甲基六氢异苯并呋喃-1,3-二酮、5-甲基-3a,4,7,7a-四氢-4,7-桥亚甲基异苯并呋喃-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-2H-吡喃-2,6(3H)-二酮、3,3-二甲基二氢呋喃-2,5-二酮。本发明还涉及用于环氧树脂的固化剂体系，所述固化剂体系包含所述组合物。本发明还涉及所述固化剂体系用于固化环氧树脂的用途和相应的方法。
摘要（英）：

The present invention provides a composition comprising 5,5'-dicarbonyl(isobenzofuran-1,3-dione), 4,4'-dicarbonyl(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-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 epoxy resins, said hardener system comprising said composition. The invention also provides a method for hardening of epoxy resins employing the inventive composition.

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