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Title:
CHEMICAL CONVERSION TREATMENT AGENT, COATING PRE-TREATMENT METHOD, AND METAL MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/013282
Kind Code:
A1
Abstract:
Provided is a chemical conversion treatment agent that has a small impact on the environment and can ensure good post-coating corrosion resistance regardless of the target of treatment. A chemical conversion treatment agent including: at least one type (A) of element selected from the group consisting of zirconium, titanium, and hafnium; at least one type (B) of substance selected from the group consisting of amino group-including silane coupling agents, hydrolysates thereof, and polymers thereof; fluorine (C); and a cationic urethane resin (D). Preferably, the content of (A) is 20-10000 mass ppm in total in terms of metals, and the pH is 1.5-6.5.

Inventors:
KISHI Masato (4-1-15, Minamishinagawa, Shinagawa-k, Tokyo 75, 〒1408675, JP)
UENO Takayuki (4-1-15, Minamishinagawa, Shinagawa-k, Tokyo 75, 〒1408675, JP)
Application Number:
JP2018/026328
Publication Date:
January 17, 2019
Filing Date:
July 12, 2018
Export Citation:
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Assignee:
NIPPON PAINT SURF CHEMICALS CO., LTD. (4-1-15, Minamishinagawa Shinagawa-k, Tokyo 75, 〒1408675, JP)
International Classes:
C23C22/34
Foreign References:
JP2006328445A2006-12-07
JP2005120469A2005-05-12
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (Sapia Tower, 1-7-12 Marunouchi, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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