Title:
METAL SURFACE TREATMENT AGENT, AND METAL MATERIAL HAVING COATING FILM AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2024/048598
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a metal surface treatment agent capable of forming, on or over a surface of a metal material, a coating film that suppresses cracking and has favorable corrosion resistance. The problem is solved by a metal surface treatment agent obtained by mixing at least one type of acid component (A) selected from the group consisting of phosphoric acid, phosphonic acid, organic sulfonic acid, polycarboxylic acid, monocarboxylic acid having a hydroxy group, and monocarboxylic acid having an amino group, a tungsten compound (B), and at least one type of resin compound (C) selected from the group consisting of urethane resins, phenol resins, epoxy resins, and acrylic resins. The W-converted solid mass of the tungsten compound (B) is 13.5% or more with respect to the entire solid mass of the metal surface treatment agent.
Inventors:
YOSHINAGA YUTA (JP)
Application Number:
PCT/JP2023/031268
Publication Date:
March 07, 2024
Filing Date:
August 29, 2023
Export Citation:
Assignee:
NIHON PARKERIZING (JP)
International Classes:
C23C22/42; C23C22/40; C23C22/68
Foreign References:
| JP2017066515A | 2017-04-06 | |||
| JP2004183015A | 2004-07-02 | |||
| JP2002030460A | 2002-01-31 |
Attorney, Agent or Firm:
IP FIRM SHUWA (JP)
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