| 摘要 |
A resin composition for powder coating which comprises a substantially un-gelled polyester A having a hydroxyl value of from 1,200 to 5,000 g eq/106 g, a substantially un-gelled polyester B having a hydroxyl value of from 200 to 1,000 g eq/l06 g, tetramethoxymethyl glycoluril as a curing agent and an organic sulfonic acid compound as a curing catalyst, wherein the weight ratio of polyester A to polyester B is from 70:30 to 10:90 and the difference (absolute value) in the gel time between polyester A and polyester B is at least 3 minutes.
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