Pretreatment method for coating

Details Pretreatment method for coating Pretreatment method for coating

2003-12-23

2011-12-13

King, Roy (Department: 1733)

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

C148S243000, C148S274000, C148S279000, C106S014050, C106S014110, C106S014150

Reexamination Certificate

active

08075708

ABSTRACT:
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.

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