Title:
WATER-REPELLENT ALUMINUM MATERIAL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/220748
Kind Code:
A1
Abstract:
The present invention is a water-repellent aluminum material comprising an aluminum substrate, an anodic oxide film formed on the aluminum substrate, and a water-repellent layer formed along a surface of the anodic oxide film which is opposed to the aluminum substrate, in which the anodic oxide film has a plurality of fine pores, each of the fine pores has an opening on a flat upper surface of the anodic oxide film which is opposed to the aluminum substrate, a vertical cross-sectional surface of each of the fine pores which is taken along the direction of the depths of the fine pores has a shape that tapers down toward the bottom of the corresponding fine pore from the opening of the corresponding fine pore, and the water-repellent layer contains a substance having a low surface energy. According to the present invention, a water-repellent aluminum material can be provided, which has excellent water droplets sliding properties and excellent durability against running water and also has excellent practical utility.
Inventors:
UENO JUNPEI (JP)
SUZUKI HIDEYA (JP)
DO HYUNJUNG (JP)
MASUDA HIDEKI (JP)
YANAGISHITA TAKASHI (JP)
SUZUKI HIDEYA (JP)
DO HYUNJUNG (JP)
MASUDA HIDEKI (JP)
YANAGISHITA TAKASHI (JP)
Application Number:
PCT/JP2021/014747
Publication Date:
November 04, 2021
Filing Date:
April 07, 2021
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
TOKYO METROPOLITAN PUBLIC UNIV CORPORATION (JP)
TOKYO METROPOLITAN PUBLIC UNIV CORPORATION (JP)
International Classes:
C25D11/18; C25D11/04; C25D11/12; C25D11/24
Domestic Patent References:
| WO2016021367A1 | 2016-02-11 |
Foreign References:
| JP2017115219A | 2017-06-29 | |||
| JPH07268687A | 1995-10-17 | |||
| JP2007138232A | 2007-06-07 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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