Resin composition for powder coatings

Details Resin composition for powder coatings Resin composition for powder coatings

1992-06-24

1993-12-28

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525437, 528272, 528302, 5283086, 528308, C08G 6312

Patent

active

052740528

ABSTRACT:
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/10.sup.6 g, a substantially un-gelled polyester B having a hydroxyl value of from 200 to 1,000 g eq/10.sup.6 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.

REFERENCES:
patent: 3607975 (1971-09-01), Tsukedo
patent: 4371638 (1983-01-01), Bernelin et al.
patent: 5102977 (1992-04-01), McLafferty
Database WPIL, Week 8907, Derwent Publications Ltd., London, GB; AN 89-051356.

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