Anticorrosive coating material and method of rust prevention
AssigneesNippon Steel Corporation, Nippon Paint Co., Ltd.
InventorsHiroshi Kanai, Toshiaki Shimakura
Life of this patent
Estimating the term…
Abstract
The present invention provides a non-chromium anticorrosive coatings suitable for metal materials comprising 0.2 to 50 g of a thiocarbonyl group-containing compound and 50 to 500 g of a water-dispersible silica without a substantial amount of a phosphate ion in one liter of a composition containing aqueous resins and water as main components, and an anticorrosive treatment using the anticorrosive coatings described above.
Claims6
A composition which comprises at least one aqueous resin and water as main ingredients, and further comprises 0.2 to 50 g of at least one thiocarbonyl group-containing compound and 50 to 500 g of a water-dispersible silica per liter, with the proviso that the composition does not contain any phosphate ion.
Dependencies are inferred from the claim text.