Chemical conversion coating agent and surface-treated metal
AssigneeNippon Paint Co., Ltd.
InventorsMasahiko Matsukawa, Kazuhiro Makino, Toshiaki Shimakura
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Abstract
It is an object of the present invention to provide a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum, and a surface-treated metal obtained using the same. A chemical conversion coating agent comprising: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and a water-soluble resin, wherein said water-soluble resin has, in at least a part thereof, a constituent unit expressed by the chemical formula (1): 1 and/or the chemical formula (2): 2
Claims7
A chemical conversion coating agent comprising:
- at least one kind selected from the group consisting of zirconium, titanium and hafnium;
- fluorine;
- and
- a water-soluble resin,
- wherein said water-soluble resin has, in at least a part thereof, a constituent unit expressed by the chemical formula (1):
- 7
- and/or the chemical formula (2):
- 8
Dependencies are inferred from the claim text.