Resin composition for matte powder coating

Details Resin composition for matte powder coating Resin composition for matte powder coating

1991-03-15

1993-07-20

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...

525934, 528 45, C08L 6702, C09D 503, C09D 546

Patent

active

052294706

ABSTRACT:
A resin composition for a matte powder coating comprising a polyester A having a hydroxyl value of at least 1,200 g eq/10.sup.6 g, a polyester B having a hydroxyl value of from 200 to 1,000 g eq/10.sup.6 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/10.sup.6 g is disclosed.

REFERENCES:
patent: 4087479 (1978-05-01), Toyota et al.
patent: 4242253 (1980-12-01), Yallourakis

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