Title:
WATER-BASED SURFACE TREATMENT COMPOSITION FOR ALUMINUM MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/171423
Kind Code:
A1
Abstract:
Provided is a water-based surface treatment composition for an aluminum material capable of forming a coating film having excellent corrosion resistance, especially pitting corrosion resistance. The water-based surface treatment composition for an aluminum material contains a resin (A) having a glass transition temperature of 35°C or more and a tensile storage modulus at 25°C of from 200 MPa to 2000 MPa.
Inventors:
KAWAMURA KENTA (JP)
SATO TAKESHI (JP)
YAMASHITA TSUYOKI (JP)
IKO TOMOHIRO (JP)
SATO TAKESHI (JP)
YAMASHITA TSUYOKI (JP)
IKO TOMOHIRO (JP)
Application Number:
PCT/JP2023/006835
Publication Date:
September 14, 2023
Filing Date:
February 24, 2023
Export Citation:
Assignee:
NIHON PARKERIZING (JP)
International Classes:
C09D201/00; C09D7/61; C09D7/63; C23C26/00; F28F19/04
Foreign References:
| JP2010285666A | 2010-12-24 | |||
| JP2007051323A | 2007-03-01 | |||
| JP2003321646A | 2003-11-14 | |||
| US20130269874A1 | 2013-10-17 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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