Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Hiroyoshi Okuno

Sakae Takeuchi

Takeshi Iwanaga

Yuka Zenitani

Shunsuke Nozaki

Hideaki Yoshikawa

Yasuo Kadokura

Yoshifumi Iida

Yasunobu Kashima

Satoshi Inoue

Tomohito Nakajima

Yasuhisa Morooka

Yoshifumi Eri

Shinichiro Kawashima

Masahiro Uchida

Koutarou Yoshihara

Toyofumi Inoue

Hiroe Okuyama

Tetsu Torigoe

Wataru Yamada

Akira Matsumoto

Chiaki Suzuki

Hidekazu Hirose

Koji Sasaki

Hiroshi Nakazawa

Toshiaki Hasegawa

Masashi Ikeda

Yutaka Sugizaki

Tsutomu Kubo

Atsushi Sugitate

Takahisa Fujii

Etsuo Tominaga

Masahiro Takayama

Sakon Takahashi

Seiichi Takagi

Yasuhiro Kusumoto

Yuji Masuda

Junichi Tomonaga

Naotaka Mukoyama

Masahiro Okita

Yuusaku Shibuya

Emi Matsushita

Yoshitake Ogura

Chika Hama

Teigen Lee

Yusaku Shibuya

Shinichirou Kawashima

Water purification particles have porous particles and photocatalyst particles formed of titanium-based compound particles that are supported on the porous particles, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cmto 3,000 cmin an infrared absorption spectrum, and a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.

Water purification particles, water culture apparatus, and water purification apparatus

A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.

Method for producing silica composite particle

A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m/g to 500 m/g and a contact angle with water of 100&#xb0; or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P=0.1 is in a range of 65 cm/g to 120 cm/g, an adsorbed amount at relative pressure P/P=0.5 is in a range of 150 cm/g to 300 cm/g, and an adsorbed amount at relative pressure P/P=0.9 is in a range of 350 cm/g to 500 cm/g.

Silica-titania composite and structure

A filter includes resin particles and photocatalyst particles having absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum. The photocatalyst particles have a high photocatalytic function and are present on the surface of the resin particle. The filter is air permeable, transmits visible light, and has high deodorizing performance.

Filter containing photocatalyst particles and resin particles

A plant protection agent includes a photocatalyst particle containing a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm.

Plant protection agent

A filter includes a filter medium having an average pore size of 1 to 5 mm, and photocatalyst particles deposited on the filter medium. The photocatalyst particle contains a titanium compound particle and a metal compound bonded to the surface of the titanium compound particle with an oxygen atom. The metal compound contains a metal atom and a hydrocarbon group. The titanium compound particle has absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum of the titanium compound particle.

Filter

A water purification member includes a porous body; and photocatalyst particles loaded on the porous body and including titanium-based compound particles that have, via an oxygen atom, a surface-bonded metallic compound having a metal atom and a hydrocarbon group, that exhibit absorption at a wavelength of 500 nm in a visible absorption spectrum, and that have an absorption peak in a range of 2700 cmto 3000 cmin an infrared absorption spectrum.

Water purification member, hydroponic system, and water purification apparatus

Metatitanic acid particles have absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, have a surface to which a metal compound having a metal atom and a carbon atom is bonded through an oxygen atom, and satisfy the following inequality: 0.03&#x2264;A&#x2264;0.3, wherein A represents a value of {(peak intensity of C&#x2014;O bond+peak intensity of C&#x2550;O bond)/(peak intensity of C&#x2014;C bond+peak intensity of C&#x2550;C bond} in a C 1s XPS spectrum.

Metatitanic acid particles, method for producing metatitanic acid particles, and composition for forming photocatalyst

Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m/g to 1200 m/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm.

Silica titania composite aerogel particle, photocatalyst forming composition, and photocatalyst

A silica-titania composite aerogel particle includes: a base particle including silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; and a surface layer present on the base particle and including a metal compound having a metal atom and a hydrocarbon group. The silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, has a BET specific surface area in the range of 200 m/g to 1,200 m/g, and has a value A in the range of 0.03 to 0.3. The value A is calculated by formula: A=(peak intensity of C&#x2014;O bond+peak intensity of C&#x2550;O bond)/(peak intensity of C&#x2014;C bond+peak intensity of C&#x2550;C bond). The peak intensity is obtained from a C is XPS spectrum.

Silica-titania composite aerogel particle, photocatalyst-forming composition, and photocatalyst

A structure includes a base material; a surface layer that contains a binder resin and a titanium compound particle having absorption at 450 nm and 750 nm in a visible absorption spectrum and a BET specific surface area within a range of 100 m/g to 1200 m/g.

Structure

A titanium oxide film by continuous titanium oxide, includes a metallic compound that has a metal atom and a hydrocarbon group and is bonded to a surface of the film, in which absorption occurs at wavelengths of 450 nm and 750 nm.

Titanium oxide film and structure

A metatitanic acid particle includes a metal having a hydrocarbon group, which is bonded to a surface of the metatitanic acid particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the metatitanic acid particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the metatitanic acid particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9.

Metatitanic acid particle, composition for forming photocatalyst, and photocatalyst

A titanium oxide particle includes a metal having a hydrocarbon group, which is bonded to a surface of the titanium oxide particle through an oxygen atom, and absorbs light having a wavelength of 450 nm and light having a wavelength of 750 nm, wherein an element ratio C/Ti between carbon C and titanium Ti in a surface of the titanium oxide particle is from 0.3 to 1.2, and a reduced amount of C/Ti on the surface of the titanium oxide particle before and after irradiation with an ultraviolet ray having a wavelength of 352 nm and at an irradiation intensity of 1.3 mW/cmfor 20 hours is from 0.1 to 0.9.

Titanium oxide particle, composition for forming photocatalyst, and photocatalyst

A silica particle has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.

Silica particle and method of preparing silica particle

Growing community of inventors

Kanagawa, Japan

Hiroyoshi Okuno