Resin composition for matte powder coating

摘要

A resin composition for a matte powder coating comprising a polyester A having a hydroxyl value of at least 1,200 g eq/106 g, a polyester B having a hydroxyl value of from 200 to 1,000 g eq/106 g and a blocked isocyanate hardener, wherein the weight ratio of polyester A to polyester B is from 70:30 to 10:90, the difference (absolute value) in gel time between polyester A and polyester B is at least 3 minutes and the difference (absolute value) in acid value between these polyesters is at least 20 g eq/106 g is disclosed.