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Title:
METHOD FOR TREATING SURFACE OF ALUMINUM ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/017026
Kind Code:
A1
Abstract:
Provided is a method for treating a surface of an aluminum article, by which a surface of an aluminum article can be imparted with an effective anchoring effect without using a chemical liquid whose waste is not easy to treat, and which can enable strong chemical bonding to a coated resin layer that is applied to the surface or to an organic material layer of a layered FRP or the like. The present invention is a method for treating a surface of an aluminum article, the method being characterized by subjecting a surface of an aluminum article to one or more of an etching treatment, a boehmite treatment and a zirconium treatment and then to one or more of a silane coupling agent treatment, an isocyanate compound treatment and a thiol compound treatment.

Inventors:
OTANI KAZUO (JP)
HIRANO TOMOYA (JP)
NUMAO SHINJI (JP)
Application Number:
PCT/JP2018/015731
Publication Date:
January 24, 2019
Filing Date:
April 16, 2018
Export Citation:
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Assignee:
SHOWA DENKO KK (JP)
International Classes:
C23C28/04; B32B15/04; B32B37/14; C23C22/07; C23C22/68; C23F1/36
Domestic Patent References:
WO2016084397A12016-06-02
WO2017006804A12017-01-12
Foreign References:
JP2011052292A2011-03-17
JP2008279697A2008-11-20
JP2002019015A2002-01-22
JP2005288986A2005-10-20
JPS4728033A
JP2012041579A2012-03-01
JP2016016584A2016-02-01
JP4541153B22010-09-08
JP2010131888A2010-06-17
JP2017139808A2017-08-10
Other References:
"Polyester Resin Handbook", 1988, NIKKAN KOGYO SHIMBUN, LTD.
"Paint Glossary", 1993
See also references of EP 3656891A4
Attorney, Agent or Firm:
SHIMIZU Yoshihito et al. (JP)
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