C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 11/167 (2006.01) C09D 5/08 (2006.01)
Patent
CA 2237493
The present invention provides an inexpensive, non-chromium anticorrosive coating composition and anticorrosion treatment method, which have superior anticorrosion properties when compared to conventional chromium-containing anticorrosive compositions. The anticorrosive coating composition of the invention comprises 0.2 to 50 g thiocarbonyl group-containing compound and 0.1 to 5 g phosphate ions in one liter of a composition based on the total amount of the aqueous resin and water or further comprises 10 to 500g of water-dispersible silica. The anticorrosion treatment method of the invention comprises coating zinc-type coated steel or non-coated steel with the anticorrosive coating composition.
Kanai Hiroshi
Shimakura Toshiaki
Kirby Eades Gale Baker
Ltd. Nippon Paint Co.
Nippon Steel Corporation
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