Pretreatment method for coating

Details Pretreatment method for coating Pretreatment method for coating

2007-07-31

2007-07-31

Cameron, Erma (Department: 1762)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S409000

Reexamination Certificate

active

10743390

ABSTRACT:
It is an object of the present invention to provide a pretreatment method for coating, which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum.A pretreatment method for coating comprisingtreating a substance to be treated with 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 and fluorine,the chemical conversion coat has a fluorine concentration of 10% or less on the atom ratio basis, andat least a part of the substance to be treated is an iron material.

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Patent Abstracts of Japan, vol. 2002, No. 9, Sep. 4, 2002, Publication No. 2002146553, Publication Date May 22, 2002.

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