Patent ID: 6111017
Filing Date: 2000-08-29
Classification: C08G,C09D

Abstract:
A powder coating composition comprising:a curing agent for powder coating, which comprises, as a main component, a carbodiimide compound represented by the following formula (1):OCN--R.sub.1 --(NCN--R.sub.2).sub.n1 --NCO (1)wherein R.sub.1 and R.sub.2 may be the same or different and are each a residue of an aliphatic, alicyclic, or aromatic diisocyanate; and n1 is an integer of 2 to 50, anda bifunctional coating resin compound having a functional group reactive with a carbodiimide group and selected from the group consisting of an epoxy resin, an epoxy/polyester resin, a polyester resin; a polyester/polyurethane resin, and an acrylic resin,said powder coating composition being curable at a temperature of 100 to 150.degree. C.