Half ester of an epoxy resin and unsaturated dicarboxylic acid anhydride
Abstract
Abstract COMPOSITIONS OF MONTHS-LONG CATALYZED POT LIFE AT ROOM TEMPERATURES AND HENCE ESPECIALLY SUITABLE FOR COATING LARGE OBJECTS, ARE MADE BY MIXING (A) THE PRODUCT OF THE UNCATALYZED HALF-ESTERIFICATION OF EPOXY RESIN WITH AN OLEFINCALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDE (E.G., MALEIC ANHYDRIDE) WITH (B) A COREACTIVE VINYL MONOMER (E.G., STYRENE), (C) A POLYCARBOXYLIC ANHYDRIDE CONTAINING NO OLEFINIC UNSATURATION (E.G., NADIC METHYL ANHYDRIDE (NMA) VISCOUS LIQUID METHYLBICYCLO (2.2.1) HEPTENE-2,3DIACARBOXYLIC ANHYDRIDE ISOMERS) AND (D) POLYMERIZATION CATALYSTS AND INHIBITORS. UPON HEATING, THE COMPOSITION CURES TO A THERMOSET RESIN. THE BASIC COMPOSITION IS MODIFIED WITH FILLERS AND ADDITIVES FOR USE AS POTTING COMPOUNDS, ENCAPSULANTS, CASTINGS, LAMINATE ADHESIVES, ETC.
Inventors
- 👤 Newton C Foster
Bibliographic Details
Claims Analysis
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