C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/03 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/80 (2006.01) C09D 5/46 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2086102
2086102 9201756 PCTABS00010 Disclosed are powder coating compositions comprised of one or more semi-crystalline polyesters, one or more amorphous polyesters and 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 D2794-84 front/back impact strength values of at least 40/20 inch-pounds, an ASTM D-3359-83 cross-hatch adhesion pass percent value of at least 90, a pencil hardness of at least H and an ASTM 4145-83 flexibility of 2T or better.
Chang Yeong-Ho
Light Fred Winifred Jr.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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