Accession Number : ADD017542

Title :   Polyurethane Self-Priming Topcoats.

Descriptive Note : Patent, Filed 20 Jun 94, Patented 27 Jun 95,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Hegedus, Charles R ; Hirst, Donald J ; Eng, Anthony T

Report Date : 27 Jun 1995

Pagination or Media Count : 6

Abstract : A corrosion-resistant polyurethane coating for application directly to a surface as a self-priming topcoat comprising major amount of a polyurethane binder and minor amount of a combination of pigments consisting essentially of an aluminum 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 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about parts by weight of at least one organic solvent.

Descriptors :   *POLYURETHANE RESINS, *PATENTS, METALS, COATINGS, CORROSION RESISTANCE, ALUMINUM, WEIGHT, ZINC, PARTS, SALTS, BINDERS, ORGANIC SOLVENTS, EARTH(PLANET), PIGMENTS, TITANIUM DIOXIDE, PHOSPHATES, ALKALINITY, BENZOIC ACIDS

Subject Categories : Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE