DYE FIXING TREATMENT AGENT FOR ALUMINUM ALLOY ANODIC OXIDATION COATING, AND SEALING TREATMENT METHOD

Title:

DYE FIXING TREATMENT AGENT FOR ALUMINUM ALLOY ANODIC OXIDATION COATING, AND SEALING TREATMENT METHOD

Document Type and Number:

WIPO Patent Application WO/2019/044004

Kind Code:

A1

Abstract:

The present invention provides a dyeing/fixing means and a sealing treatment method whereby decoloration is suppressed and the fixing properties of dyeing can be enhanced even when a sealing treatment is performed after a dyeing treatment of an aluminum alloy anodic oxidation coating. The present invention provides a dye fixing treatment agent for an aluminum alloy anodic oxidation coating, characterized by containing a manganese salt and by having a pH of 5.0 or lower.

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Inventors:

HARA KENJI (JP)
MORIGUCHI TOMO (JP)
SUGIOKA SHUN (JP)

Application Number:

PCT/JP2018/009435

Publication Date:

March 07, 2019

Filing Date:

March 12, 2018

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Assignee:

OKUNO CHEM IND CO (JP)

International Classes:

C25D11/24; C25D11/18

Foreign References:

JP2011241436A	2011-12-01
JP2010077455A	2010-04-08

Attorney, Agent or Firm:

SAEGUSA & PARTNERS (JP)

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