Metal protection with an electroactive polymer first coat and a second coat applied by an electrostatic coating method
OwnerPeter Spellaneinventor
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Abstract
Enhanced corrosion protection of a metal substrate is accomplished in a multi-step process: a first coat comprising an electroactive polymer, such as polyphenylene ether, preferably poly(2,6-dimethyl-1,4-polyphenylene ether), is applied directly to the metal substrate and subsequently a conventional powder coat formulation, such as those comprising epoxy, poly(vinyl chloride), polyamides, polyesters, polyurethanes, acrylics, etc, binders and standard additive materials, is electrostatically applied and cured.
Claims16
A method of coating a metal substrate comprising the steps of:
- coating said metal substrate with a first coat;
- and
- applying a second coat to said first coat;
- wherein
- said second coat is applied by an electrostatic coating method to said first coat.
A coated metal article comprising a metal substrate, a first coat and a second coat;
- wherein said first coat is applied to said metal substrate;
- and
- said second coat is applied by an electrostatic coating method to said first coat.
A method of protecting or decorating a metal substrate comprising:
- coating said metal substrate with a first coat;
- and
- applying a second to said first coat;
- wherein
- said second coat is applied by an electrostatic coating method to said first coat.
Dependencies are inferred from the claim text.