Chromium-free anticorrosive coating composition and article made thereform

Abstract

The present application is directed to chromium-free anticorrosive coating composition and article made therefrom. The chromium-free anticorrosive coating composition comprises Component A, comprising a film-forming composition, a corrosion inhibiting composition, optional carriers and additional additives, wherein the corrosion inhibiting composition comprises at least one lithium-containing metal compound having a spatially stable crystalline structure, and at least one aluminum-containing phosphate; and optionally Component B, comprising a curing agent. The chromium-free anticorrosive coating composition according to the present application may be used as a primer or a direct-to-metal coating, especially suitable for a primer in a wet-on-wet system. The present application further discloses an article, comprising a metal substrate; and a coating formed of the above chromium-free anticorrosive coating composition which is directly applied to the metal substrate.

Dependencies are inferred from the claim text.