POLYESTER RESIN AND COMPOSITION FOR POWDER COATING MATERIAL AND POWDER COATING MATERIAL PRODUCED BY USING THE RESIN

摘要

PROBLEM TO BE SOLVED: To provide a polyester resin and composition for powder coating material having practically sufficient strength and weatherability and giving a coating film having excellent smoothness and antiblocking property and provide a powder coating material produced by using the resin. ;SOLUTION: The polyester resin is composed mainly of an aromatic dicarboxylic acid and an aliphatic glycol, has an intrinsic viscosity of 0.10-0.30 dl/g and an acid value of 15-50 mgKOH/g and contains a ≥10C saturated fatty acid as a copolymerized component.;COPYRIGHT: (C)2001,JPO