Title:
INITIAL TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2023066238
Kind Code:
A
Abstract:
To provide a method for forming, on an iron-based metal surface, an anticorrosive coating layer with a higher anticorrosive effect than in the conventional technique.MEANS FOR SOLVING THE PROBLEM: (A) A component comprising at least one selected from the group consisting of organic phosphonic acids, phosphonocarboxylic acids, phosphinopolycarboxylic acids, carboxylic acid polymers and inorganic phosphorus compounds and (B) a water-soluble metal or a salt thereof are added and brought into contact with an iron-based metal surface, so that the corrosion of the iron-based metal surface can be significantly reduced.SELECTED DRAWING: None
Inventors:
TSUDA TAKATOMO
Application Number:
JP2021176844A
Publication Date:
May 15, 2023
Filing Date:
October 28, 2021
Export Citation:
Assignee:
HAKUTO KK
International Classes:
C23F11/167; C23F11/00; C23F11/18; F28F19/02