Accession Number:

ADD019866

Title:

Polyurethane Self-Priming Topcoats

Descriptive Note:

Patent, filed 13 May 1991, patented 23 Jun 1992

Corporate Author:

NAVAL AIR WARFARE CENTER AIRCRAFT DIV PATUXENT RIVER MD

Report Date:

1992-06-23

Pagination or Media Count:

7.0

Abstract:

A corrosion-resistant coating which can be applied directly to a surface as self-priming topcoat comprising from about 10 to 90 percent by weight of a polymeric polyurethane binder and 5 to 65 percent by weight of a combination of metal salts or pigments which consist essentially of calcium borosilicate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating may contain up to about 30 percent by weight of a titanium dioxide pigment and up to about 75 percent by weight of at least one organic solvent.

Subject Categories:

  • Coatings, Colorants and Finishes

Distribution Statement:

APPROVED FOR PUBLIC RELEASE