APPLICATION OF COMPOSITION HAVING ACID ANHYDRIDE FUNCTIONAL GROUPS AS RETICULATION AGENT OF POLYESTER AND EPOXY RESIN

摘要

New solid compositions for functions acid anhydride. / p & & p & they are prepared by reaction of anhydride trimellitic and a mixture of diol and polyol functionality upper has two or polyol functionality upper has two, the ratio diolpolyol being between 0 and 10, at a temperature between 180 and 300c for 4 to 6 hours. p / p applications as crosslinking agent in the powder paints comprising a resin of polyester saturated hydroxyl and or a resin of epoxy.