Title:
METHOD AND AGENT FOR SURFACE TREATMENT OF MAGNESIUM METAL MATERIAL, AND CORROSION-RESISTANT MAGNESIUM METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2011/161766
Kind Code:
A1
Abstract:
Provided is a method for surface treatment of a magnesium metal material, which comprises: a step for preparing an aqueous solution of a composition containing 8-quinolinol and at least one selected from water-soluble compounds having two carboxyl groups, salts of the water-soluble compounds having two carboxyl groups, sulfuric acid, and water-soluble sulfuric acid salts; and a step for bringing the aqueous solution of the composition into contact with the surface of the magnesium metal material. This surface treatment method results in the formation of a corrosion-resistant film on the surface of the magnesium metal material.
Inventors:
FUJII KAZUMI (JP)
TAKAHASHI KATSUHITO (JP)
OHASHI KENYA (JP)
TAKAHASHI KATSUHITO (JP)
OHASHI KENYA (JP)
Application Number:
PCT/JP2010/060544
Publication Date:
December 29, 2011
Filing Date:
June 22, 2010
Export Citation:
Assignee:
HITACHI LTD (JP)
FUJII KAZUMI (JP)
TAKAHASHI KATSUHITO (JP)
OHASHI KENYA (JP)
FUJII KAZUMI (JP)
TAKAHASHI KATSUHITO (JP)
OHASHI KENYA (JP)
International Classes:
C23F11/00; C23C22/46; C23C22/57; C23C22/60; C23C22/68; C25D11/30
Foreign References:
| JPH04191381A | 1992-07-09 | |||
| JP2009097093A | 2009-05-07 | |||
| JPH0238584A | 1990-02-07 |
Attorney, Agent or Firm:
ISONO Michizo (JP)
Michizo Isono (JP)
Michizo Isono (JP)
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Claims: