POWDER COATING COMPOSITIONS FOR THE PRODUCTION OF LOW-GLOSS COATINGS

摘要

2086103 9201757 PCTABS00010 Disclosed are powder coating compositions comprised of one or more semi-crystalline polyesters, one or more hydroxyl acrylic polymers and a blocked polyisocyanate cross-linking agent. Coatings of the compositions on shaped metal articles exhibit an ASTM D-523-85 60· gloss value of not greater than 35, ASTM D-2794-84 front/back impact strength values of at least 40/20 inch-pounds and an ASTM D-3359-83 cross-hatch adhesion pass percent value of at least 90.