High solids urethane coatings with enhanced flexibility and impa

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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524315, C08L 7500

Patent

active

043761879

ABSTRACT:
A thermosetting coating composition with enhanced flexibility and impact strength and excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition comprises:
(A) a modified hydroxy acrylic copolymer which is the stepwise reaction product of:

REFERENCES:
patent: 3509234 (1970-04-01), Bvrlant
patent: 3542741 (1970-11-01), Hartmann
patent: 3622651 (1971-11-01), Vasta
patent: 3657384 (1972-04-01), Yoshida et al.
patent: 3690946 (1972-09-01), Hartmann

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