Particulate metal alloy coating for providing corrosion protection
AssigneeMetal Coatings International Inc.
InventorsEtienne Georges Maze, Gilbert Louis Lelong, Terry E. Dorsett, Donald J. Guhde, Toshio Nishikawa
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Abstract
Coatings containing particulate metal alloy are disclosed. The coatings provide corrosion protection to a substrate, such as a metal substrate. The coatings contain zinc-metal-containing alloy in flake form, most particularly an alloy flake of zinc and aluminum. The coating can be from compositions that are water-based or solvent-based. The compositions for providing the coating may also contain a substituent such as a water-reducible organofunctional silane, or a hexavalent-chromium-providing substance, or a titanate polymer, or a silica substance constituent. the coating may desirably be topcoated.
Claims13
A coated substrate protected with a chrome-free, corrosion-resistant coating from a composition comprising:
- (A) liquid medium;
- (B) zinc alloy in flake form comprising greater than 50 weight percent zinc in said alloy flake and a balance of less than 50 weight percent of non-zinc alloy metal;
- and
- (C) silane binding agent.
Dependencies are inferred from the claim text.