COMPOSITION HAVING ANHYDRIDE ACID FUNCTIONS AND ITS USE AS A CROSS-LINKING AGENT OF POLYESTER AND/OR EPOXY RESINS

摘要

1. Composition containing acid anhydride groups, characterised in that it is obtained by reacting trimellitic anhydride, under the action of heat, with a mixture of one or more diols and of one or more polyols containing more than two functional groups, or with one or more polyols containing more than two functional groups.