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Title:
ALUMINUM COATED MATERIAL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2018/207416
Kind Code:
A1
Abstract:
Provided is an aluminum coated material that has a coating film on a surface of an aluminum material, and can achieve excellent corrosion resistance even under severe use conditions while being chromium-free. Disclosed is an aluminum coated material that has a coating film formed on a surface of an aluminum material with a silica-containing film provided therebetween, the silica-containing film including a water-dispersible silica, a phosphorus compound, and a silane coupling agent, wherein: the silica-containing film includes the silane coupling agent at a percentage of from 0.5 to 35 mass%, and has a Si content within a range of from 2 to 60 mg/m2, a P content within a range of from 0.1 to 6.0 mg/m2, and a mass ratio P/Si between the P content and the Si content within a range of from 0.02 to 0.15. Also disclosed is a method for producing said aluminum coated material.

Inventors:
TAKASAWA Reiko (Nippon Light Metal Company Ltd., 1-34-1, Kambara, Shimizu-ku, Shizuoka-sh, Shizuoka 03, 〒4213203, JP)
KANEKO Akira (Nippon Light Metal Company Ltd., 1-34-1, Kambara, Shimizu-ku, Shizuoka-sh, Shizuoka 03, 〒4213203, JP)
Application Number:
JP2018/004349
Publication Date:
November 15, 2018
Filing Date:
February 08, 2018
Export Citation:
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Assignee:
NIPPON LIGHT METAL COMPANY, LTD. (2-20, Higashi-shinagawa 2-chome Shinagawa-k, Tokyo 28, 〒1408628, JP)
International Classes:
B32B15/08; B05D7/14; B05D7/24; B32B15/20; C23C22/05; C23C28/00
Attorney, Agent or Firm:
SASAKI Kazuya et al. (7th Floor, Marumori Bldg. 6-10, Nihonbashi Kodenma-cho, Chuo-k, Tokyo 01, 〒1030001, JP)
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