Resin composition for powder coating

Details Resin composition for powder coating Resin composition for powder coating

1993-01-29

1994-05-10

Michl, Paul R.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

524196, 524539, 525187, 525440, 525445, 528 80, 528 83, 528283, C08G 1830, C08G 1880

Patent

active

053108485

ABSTRACT:
a resin composition for a powder coating comprising a polyester A, which does not substantially set to gel and has a hydroxyl value of at least 1,200 g eq/10.sup.6 g, a polyester B, which does not substantially set to gel and has a hydroxyl value of from 200 to 1,000 g eq/10.sup.6 g, and an inner blocked isocyanate hardener, wherein the weight ratio of polyester A to polyester B is from 70:30 to 10:90 and the difference (absolute value) in gel time between these polyesters A and B is at least 3 minutes.

REFERENCES:
patent: 4354014 (1982-10-01), Wolf et al.
patent: 4649067 (1987-03-01), Gras
patent: 5089553 (1992-02-01), Umeda et al.
patent: 5212243 (1993-05-01), Toyoda et al.
IPDI-BF 1540, "Cross-Linking agent free from blocking agent for saturated polyesters containing OH groups", published by Huls Company.

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