Thermosetting powder coating and method of the preparation...

Details Thermosetting powder coating and method of the preparation... Thermosetting powder coating and method of the preparation...

C - Chemistry, Metallurgy

09

D

C09D 133/14 (2006.01) C08F 8/00 (2006.01) C08F 8/08 (2006.01) C09D 5/03 (2006.01) C09D 133/06 (2006.01)

Patent

CA 2190702

This invention relates to a method of preparing thermosetting powder coatings based on acrylate copolymers containing glycidyl ether groups, wherein a hydroxy functional acrylate copolymer (D) is prepared in a first step by radical copolymerization, subsequently converted to a glycidyl ether containing acrylate copolymer by reaction with epihaloalkanes and processed into a powder coating by extrusion of component (A) together with component (B), wherein B is: an aliphatic and/or cycloaliphatic polybasic acid and/or anhydrides thereof and/or a polyol-modified anhydride of a polybasic acid and/or amorphous or semicrystalline carboxy functional copolyester resin and/or carboxy functional acrylic resins and optionally additional pigments and/or fillers and/or additives (C).

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