C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/00 (2006.01) B05D 3/00 (2006.01) C23C 22/34 (2006.01)
Patent
CA 2454042
It is an object of the present invention to provide a pretreatment method for coating, which does not limit a coating method, places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc, aluminum and so on. A pretreatment method for coating comprising treating a substance to be treated by a chemical conversion coating agent to form a chemical conversion coat, wherein the chemical conversion coating agent comprises: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and at least one kind selected from the group consisting of amino group-containing silane coupling agents, hydrolysates thereof and polymers thereof.
Futsuhara Masanobu
Makino Kazuhiro
Matsukawa Masahiko
Shimakura Toshiaki
Yang Jiping
Nippon Paint Co. Ltd.
Riches Mckenzie & Herbert Llp
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