Catalysis of epoxy resin/carboxylic acid systems with trivalent chromium iii tricarboxylate salts
Abstract
Abstract THIS PATENT DESCRIBES A NOVEL STORABLE EPOXY RESIN SYSTEM COMPRISING A CURABLE WPOXY RESIN AND A CARBOXYLIC ACID OR ACID ANHYDRIDE; THE IMPROVEMENT WHEREIN THE SYSTEM IS PROVIDED WITH A CHROMINUM III TRICARBOXYLATE SALT CATALYST ADAPTED TO CONTAIN UNOCCUPIED CORRDINATION SITES, DEACTIVATED WITH CERTAIN NON-REACTIVE, VOLATILE, COORDINATING, ELECTRON DONATING SOLVENTS INCLUDING METHANOL, ETHANOL, N,N-DIMETHYLFORMANMIDE, DIOXANE, TETRAHYDROFURAN, DIMETHYL SULFOXIDE, DIMETHYL SULFOLANE, NITRO ALKANES, NITRO AROMATICS, TETRAMETHYL UREA, N,N-DIMETHYLACETAMIDE, NMETHYLCAPROLACTAM AND N-METHYL PYROLLIDONE WHICH SOLVENT EVAPORATES UPON THE APPLICATION OF THE COMPOSITION TO A SURFACE TO REACTIVATE THE CATALYST BY THE FORMATION OF OCCUPIED COORDINATION SITES, AND RESULTING IN REACTION OF THE EPOXY COMPOUND WITH THE CARBOXYLIC ACID OR ACID ANHYDRIDE.
Inventors
- 👤 Roger B Steele
- 👤 Arthur Katzakian Jr
- 👤 Joseph J Scigliano
- 👤 Jude W Barry
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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