HEAT-RESISTANT COATING POWDER

摘要

A heat-resistant coating powder is comprised of A) between about 20 and about 83 wt% based on resin content of A) plus B) of a silicone resin having organic moieties selected from aryl and C1-C4 alkyl, a degree of substitution of about 1.5 or less, and an -OH content of between about 2.5 and about 7.5 wt.%, B) between about 17 wt% and about 80 wt% based on resin content of A) plus B) of an acrylic resin having an acid number of between about 20 and about 100 and a hydroxyl number of about 5 or below, and C) an acid-reactive cross-linking agent(s) at a stoichiometry of between about 70 and about 110% of the acid functionality of said acrylic resin B).