Coating material and its use as primer and extender

Details Coating material and its use as primer and extender Coating material and its use as primer and extender

1987-11-19

1989-08-08

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 32, C09D 372, C09D 376, C09D 381, B05D 726

Patent

active

048553425

ABSTRACT:
Previous coating materials lead to the formation of bubbles at high layer thickness and when drying by heating. The new coating materials are intended to be bubble-free when dried at higher layer thicknesses.
Aside from pigments and/or extenders, the coating material contains solvents and, if necessary, conventional paint auxiliaries in a vehicle mixture, comprising essentially 60-75% by weight of a hydroxy-functional copolymer, 1-5% by weight of an ester-soluble nitrocellulose and 25-35% by weight of difunctional or multifunctional polyisocyanate. It can be cured without forming bubbles even when applied in thick layers.
Use as primer and filler.

REFERENCES:
patent: 4177172 (1979-12-01), Traenckner et al.

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