Title:
CHEMICAL CONVERSION TREATMENT AGENT, CHEMICAL CONVERSION COATING PRODUCTION METHOD, METAL MATERIAL HAVING CHEMICAL CONVERSION COATING, AND COATED METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/123842
Kind Code:
A1
Abstract:
[Problem] To provide: a novel chemical conversion treatment agent capable of forming a chemical conversion coating having excellent corrosion resistance, upon the surface of a metal material; a method for producing a chemical conversion coating on the surface of a metal material, using said chemical conversion treatment agent; a metal material having a coating; and a painted metal material.
[Solution] A chemical conversion treatment agent for metal materials, that forms a coating on the surface of a metal material and is characterized by containing: ions having at least one metal selected from the group consisting of titanium, zirconium, and hafnium; fluoride ions; at least one type selected from the group consisting of alkane sulfonic acid, alkanol sulfonic acid, and ions thereof; and ions containing trivalent iron.
Inventors:
TAKAMI ATSUSHI (JP)
FUKUSHI HIDEKAZU (JP)
FUKUSHI HIDEKAZU (JP)
Application Number:
PCT/JP2017/046066
Publication Date:
July 05, 2018
Filing Date:
December 22, 2017
Export Citation:
Assignee:
NIHON PARKERIZING (JP)
International Classes:
B05D3/10; C23C22/34; B05D7/14; B32B15/04; C23C28/00
Foreign References:
| JP2004149896A | 2004-05-27 | |||
| JPH11264076A | 1999-09-28 | |||
| JP2000199077A | 2000-07-18 | |||
| JP2004218073A | 2004-08-05 |
Other References:
See also references of EP 3564408A4
Attorney, Agent or Firm:
ITOH, Atsushi (JP)
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