Title:
DYEING POWDER, COATING MATERIAL COMPOSITION, WATER-REPELLENT FILM AND WATER-REPELLENT MEMBER, AND PRODUCTION METHODS FOR DYEING POWDER AND WATER-REPELLENT MEMBER
Document Type and Number:
WIPO Patent Application WO/2023/022034
Kind Code:
A1
Abstract:
A dyeing powder comprising: a plurality of long particles having an elongated shape and containing alumina as the main component, wherein an inorganic dye compound is incorporated in the long particles. A production method for a dyeing powder, comprising: a firing step for firing a plurality of precursor particles containing alumina and/or aluminum hydroxide and having an elongated shape, at 500-1100°C, to obtain a plurality of fired particles that contain alumina as the main component, that have an elongated shape, and that have mesopores; and a dyeing step for incorporating an inorganic dye compound into the mesopores of the plurality of fired particles.
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Inventors:
TAKAO CHIHIRO (JP)
NISHIKAWA YOSUKE (JP)
HOSHINO KANJI (JP)
NISHIKAWA YOSUKE (JP)
HOSHINO KANJI (JP)
Application Number:
PCT/JP2022/030213
Publication Date:
February 23, 2023
Filing Date:
August 08, 2022
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
C09B45/06; C01F7/14; C09B45/10; C09B57/10; C09B67/02; C09C1/40; C09C3/08; C09D7/61; C09D17/00; C09D201/00
Foreign References:
| JP2001010929A | 2001-01-16 | |||
| JP2000273352A | 2000-10-03 | |||
| JP2014124913A | 2014-07-07 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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