Title:
SURFACE TREATMENT AGENT, SURFACE TREATMENT METHOD, AND SURFACE TREATED METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/002683
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing the following: a surface treatment agent which is chromate-free and which can impart excellent coating adhesion and corrosion resistance to a metal material (in particular, a metal material treated with a phosphate); a surface treatment method that uses the surface treatment agent; and a surface treated metal material that is surface treated using the surface treatment method. This surface treatment agent is a surface treatment agent for a metal material, and contains a water-soluble ethylene glycol monoalkyl ether. Furthermore, it is preferable for this surface treatment agent to contain at least one type of metal compound selected from among a water-soluble vanadium compound, a water-soluble titanium compound, a water-soluble zirconium compound and a water-soluble hafnium compound.
Inventors:
AZUMA TAKERU (JP)
MORIYAMA ATSUSHI (JP)
ARA MASAYASU (JP)
MORIYAMA ATSUSHI (JP)
ARA MASAYASU (JP)
Application Number:
PCT/JP2016/068537
Publication Date:
January 05, 2017
Filing Date:
June 22, 2016
Export Citation:
Assignee:
NIHON PARKERIZING (JP)
International Classes:
C23C22/07; C23C22/83; C25D13/20
Domestic Patent References:
| WO2015029836A1 | 2015-03-05 |
Foreign References:
| JPS58113379A | 1983-07-06 | |||
| JPH05214544A | 1993-08-24 | |||
| JP2002332447A | 2002-11-22 | |||
| JP2011021266A | 2011-02-03 | |||
| JP2004515645A | 2004-05-27 | |||
| JP2010031332A | 2010-02-12 | |||
| US20130230425A1 | 2013-09-05 | |||
| JP2006181911A | 2006-07-13 |
Other References:
See also references of EP 3318659A4
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
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