Title:
水性防錆表面処理組成物
Document Type and Number:
Japanese Patent JP7163151
Kind Code:
B2
Abstract:
To provide a water-based rust preventive surface treatment composition that can form a coated film having high corrosion resistance.SOLUTION: The water-based rust preventive surface treatment composition of the present invention is a water-based rust preventive surface treatment composition used for forming a coated film on the surface of a metal member, containing a silane coupling agent, a water-soluble transition metal compound including a water-soluble titanium compound or a water-soluble zirconium compound, a phosphorus-based rust preventive agent containing a highly condensed phosphate or a polyvalent phosphate ester, and a solvent containing water, and a pH adjuster, and having a pH at a liquid temperature of 25°C of 2.0 to 9.0.SELECTED DRAWING: None
Inventors:
Yasushi Motoyasu
Takafumi Koshina
Yohei Nakagawa
Takafumi Koshina
Yohei Nakagawa
Application Number:
JP2018222669A
Publication Date:
October 31, 2022
Filing Date:
November 28, 2018
Export Citation:
Assignee:
Electric Discharge Precision Processing Laboratory Co., Ltd.
International Classes:
C23F11/00; C23C26/00
Domestic Patent References:
| JP2007051323A | ||||
| JP2016204691A | ||||
| JP58003986A | ||||
| JP64000289A | ||||
| JP6027358B2 | ||||
| JP52043737A |
Foreign References:
| WO2017195652A1 |
Attorney, Agent or Firm:
Shinji Hayami