Epoxy-free, heat-curable coating system

Details Epoxy-free, heat-curable coating system Epoxy-free, heat-curable coating system

1995-08-23

1996-07-23

Short, Patricia A.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427375, 427421, 525440, 525934, C08L 6702

Patent

active

055387594

ABSTRACT:
A heat-curable, epoxy-free coating system of binder resin is based on a hydroxyl-terminated polyester resin (a) with a hydroxyl number of from 20 to 200 mg KOH/g and a glass transition temperature of at least 40.degree. C., a carboxyl-group-containing, reversibly blocked polyisocyanate (b) and a b-hydroxyalkylamide (c) having at least two b-hydroxyalkylamide groups per molecule, and optionally further additives dictated by the usage and processing.

REFERENCES:
patent: 3842035 (1974-10-01), Klaren
patent: 4920173 (1990-04-01), Gras

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