Invention Grant
- Patent Title: Aqueous dispersion and coating material using the same, and photocatalytic film and product
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Application No.: US16001167Application Date: 2018-06-06
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Publication No.: US10335771B2Publication Date: 2019-07-02
- Inventor: Daisuke Fukushi , Takao Kusaka , Akira Sato , Kayo Nakano , Akihisa Nitsuta , Yukiko Inui , Hiroyasu Oota
- Applicant: Kabushiki Kaisha Toshiba , Toshiba Materials Co., Ltd.
- Applicant Address: JP Minato-Ku JP Yokohama-Shi
- Assignee: Kabushiki Kaisha Toshiba,Toshiba Materials Co., Ltd.
- Current Assignee: Kabushiki Kaisha Toshiba,Toshiba Materials Co., Ltd.
- Current Assignee Address: JP Minato-Ku JP Yokohama-Shi
- Agency: Burr & Brown, PLLC
- Priority: JP2012-126577 20120601
- Main IPC: B01J23/30
- IPC: B01J23/30 ; C09D1/00 ; B01J21/06 ; B01J23/888 ; B01J23/89 ; B01J35/00 ; B01J35/02 ; B01J35/10 ; C09D7/40
Abstract:
An aqueous dispersion of an embodiment includes visible-light responsive photocatalytic composite microparticles containing tungsten oxide and zirconium oxide, and an aqueous dispersion medium in which the photocatalytic composite microparticles are dispersed. In the photocatalytic composite microparticles, a ratio of a mass of the zirconium oxide to a mass of the tungsten oxide is in a range of from 0.05% to 200%, and a D50 particle size in particle size distribution is in a range of from 20 nm to 10 μm. The aqueous dispersion has pH in a range of from 1 to 9.
Public/Granted literature
- US20180290127A1 AQUEOUS DISPERSION AND COATING MATERIAL USING THE SAME, AND PHOTOCATALYTIC FILM AND PRODUCT Public/Granted day:2018-10-11
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