Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Hideaki Yoshikawa

Hiroyoshi Okuno

Sakae Takeuchi

Takeshi Iwanaga

Yuka Zenitani

Yasunobu Kashima

Shunsuke Nozaki

Yasuo Kadokura

Shinichiro Kawashima

Kenji Yao

Tetsuya Taguchi

Masahiro Oki

Kazusei Yoshida

Takahiro Ishizuka

Hirokazu Hamano

Yuko Iwadate

Ayu Naito

Wataru Yamada

Hidekazu Hirose

Atsushi Sugitate

Satomi Kashiwagi

Shota Matoba

Yoshifumi Iida

Sakon Takahashi

Yasuhiro Kusumoto

Kazufumi Tomita

Yuji Masuda

Junichi Tomonaga

Yoshitake Ogura

A cellulosic particle contains cellulose as its base constituent, and the intensity of sodium fluorescent x-rays from the cellulosic particle measured by x-ray fluorescence analysis is 0.015 kps or more and 0.1 kps or less.

Cellulosic particle

A cellulosic particle contains cellulose as its base constituent, and the percentage water absorption of the cellulosic particle measured by method B in ISO 15512:1999 is 11% or more and 20% or less.

A cellulosic particle contains 90 parts by mass or more and 99.5 parts by mass or less of cellulose; and 0.5 parts by mass or more and 10 parts by mass or less of a cellulose derivative.

A cellulosic particle includes: a cellulose-based core particle; a first coating layer covering the core particle and containing a polyamine compound; and a second coating layer covering the first coating layer and containing at least one selected from the group consisting of a wax, a linear-chain saturated fatty acid, a hydroxy fatty acid, and an amino acid compound.

Resin particles include mother particles containing a biodegradable resin, and a coating layer containing at least one selected from the group consisting of a quaternary ammonium salt-containing polymer, polyacrylamide, polyvinylpyrrolidone, and polylysine on a surface of the mother particles.

Resin particles

Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.

Resin particles comprising a biodegradable resin and a specific amount of a metal element

Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0&#x2264;(A/B)&#x3c;0.15 and 0.005 atomic %&#x2264;B&#x2264;0.5 atomic %.

A resin composition includes a cellulose acylate (A); and an aromatic compound (B) not containing a functional group that reacts with the cellulose acylate (A), but containing a long-chain aliphatic group and at least one of a phenolic hydroxy group and a monoglycidyl ether group directly bonded to an aromatic group of the aromatic compound (B), in which a mass ratio (B)/(A) of the aromatic compound (B) to the cellulose acylate (A) is 0.15 or more.

Resin composition and resin molded product

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 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.

Growing community of inventors

Kanagawa, Japan

Hideaki Yoshikawa