abstract |
THE PRESENT INVENTION RELATES TO NEW THERMOSETTING RESIN COMPOSITIONS PREPARED BY REACTING A POLYEPOXIDE WITH AN ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND THEN REACTING A DICARBOXYLIC ACID ANHYDRIDE WITH THE SECONDARY HYDROXYL GROUPS FORMED BY THE EPOXIDE-CARBOXLIC ACID INTERACTION. THE RESIN MAY BE BLENDED WITH A POLYMERIZABLE MONOMER. |