Polyurethane self-priming topcoats

Details Polyurethane self-priming topcoats Polyurethane self-priming topcoats

1993-05-14

1994-05-03

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524210, 524396, 524406, 524414, 524507, 524706, 524724, 524783, C08L 7504

Patent

active

053089030

ABSTRACT:
A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising a polyurethane resin binder and a combination of pigments consisting essentially of a molybdate-modified zinc phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 35 parts by weight of a titanium dioxide pigment, up to about 3.0 parts by weight of an oil soluble dispersant agent and up to about 50 parts by weight of at least one organic solvent.

REFERENCES:
patent: 4885324 (1989-12-01), Hegedus et al.
patent: 4954559 (1990-09-01), Den Hartog et al.
patent: 5043373 (1991-08-01), Hegedus et al.
patent: 5124385 (1992-06-01), Hegedus et al.

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