SURFACE TREATMENT METHOD FOR ALUMINUM MATERIAL

Title:

SURFACE TREATMENT METHOD FOR ALUMINUM MATERIAL

Document Type and Number:

WIPO Patent Application WO/2008/041694

Kind Code:

A1

Abstract:

Disclosed is a surface treatment method for an aluminum material which enables to easily reduce gas emission from an aluminum material whose surface is subjected to porous anodizing and provided with a porous anodic oxide coating. Specifically disclosed is a surface treatment method for an aluminum material which is composed of aluminum or an aluminum alloy and has a surface subjected to porous anodizing and provided with a porous anodic oxide coating. In this surface treatment method, a solution wherein a carbon fluoride compound is dispersed is applied over the surface of the porous anodic oxide coating, and then the porous anodic oxide coating is heated in an oxygen atmosphere, thereby forming a fluoride layer.

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Inventors:

INAYOSHI SAKAE (JP)
MISAWA SHUNJI (JP)

Application Number:

PCT/JP2007/069266

Publication Date:

April 10, 2008

Filing Date:

October 02, 2007

Export Citation:

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Assignee:

ULVAC INC (JP)
INAYOSHI SAKAE (JP)
MISAWA SHUNJI (JP)

International Classes:

C23C28/04; C23C8/42; C25D11/18

Foreign References:

JPH07180067A	1995-07-18
JP2001040464A	2001-02-13
JP2006002170A	2006-01-05
JPH09302499A	1997-11-25

Attorney, Agent or Firm:

SHIGA, Masatake et al. (YaesuChuo-ku, Tokyo, JP)

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