Powder coating compositions comprising a copolymer of a...

Details Powder coating compositions comprising a copolymer of a... Powder coating compositions comprising a copolymer of a...

C - Chemistry, Metallurgy

08

K

402/257, 400/511

C08K 5/09 (2006.01) C08F 220/32 (2006.01) C08G 59/32 (2006.01) C08G 59/42 (2006.01) C08G 59/62 (2006.01) C08J 3/24 (2006.01) C09D 133/06 (2006.01) C09D 157/04 (2006.01) C08L 33/08 (2006.01) C08L 73/02 (2006.01)

Patent

CA 1045277

POWDER COATING COMPOSITIONS COMPRISING A COPOLYMER OF A GLYCIDYL ESTER AND CROSSLINKING AGENT ABSTRACT OF THE DISCLOSURE Improved powder coating compositions are disclosed which comprise (1) a copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated carboxylic acid, e.g., glycidyl acrylate and glycidyl meth- acrylate, about 2 to about 10 weight percent of a hydroxy acrylate and about 70 to about 93 weight percent of other olefinically unsaturated monomers, preferably monofunctional olefinically unsaturated monomers which lose their sole functionality in polymerization and (2) as crosslinking agents, both hydroxy carboxylic acids and anhydrides, preferably polyanhydrides.

208090

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