Title:
RUSTPROOFING METHOD FOR METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/193696
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for treating metal materials that can further increase the rustproofing properties of metal material. A method for treating metal materials that comprises steps 1 or 2: (Step 1) a step for treating a metal material with a chemical conversion treatment solution A containing a zirconium compound and an amphoteric surfactant; or (Step 2) a step comprising steps 2a and 2b: (step 2a) a step for treating the metal material with a chemical conversion treatment solution B containing a zirconium compound, and (step 2b) a step for treating the chemical conversion-treated metal material obtained in step 2a with a siliceous coating-forming treatment solution.
Inventors:
NAGAMINE SHINGO (JP)
KITA KOJI (JP)
KITA KOJI (JP)
Application Number:
PCT/JP2018/004949
Publication Date:
October 25, 2018
Filing Date:
February 14, 2018
Export Citation:
Assignee:
OKUNO CHEM IND CO (JP)
International Classes:
B05D3/10; C23C22/34; B05D7/14; B05D7/24; C09D183/04; C23C22/83; C23C28/00
Domestic Patent References:
| WO2017163446A1 | 2017-09-28 |
Foreign References:
| JP2016030777A | 2016-03-07 | |||
| JPH1143667A | 1999-02-16 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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