Process of priming a metal surface for attaching resin systems thereto utilizing aqueous emulsion of a polyfunctional epoxide compound as the primer
AssigneeAtofina Chemicals, Inc.
InventorThomas Page McAndrew
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Abstract
An improved process for priming a metal surface to improve the adhesion to the surface of a resin coating possessing functional groups that react with epoxide groups, such as amide functionality containing polyamide resins.
Claims8
An improved process for priming a metal surface to improve the adhesion to said surface of a resin coating which possesses functional groups that react with epoxide groups, which resin is applied by powder coating, melt processing or liquid methods, the improvement consisting essentially of applying to said surface as the primer a chromium-free emulsion in water consisting essentially of a polyfunctional epoxide compound and water.
Dependencies are inferred from the claim text.