Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Kyocera Corporation

Takeshi Iwanaga

Hiroyoshi Okuno

Sakae Takeuchi

Yuka Zenitani

Hideaki Yoshikawa

Yasunobu Kashima

Shunsuke Nozaki

Yoshifumi Iida

Yasuo Kadokura

Satoshi Inoue

Tomohito Nakajima

Yasuhisa Morooka

Yoshifumi Eri

Nobuyuki Torigoe

Shigeru Yagi

Hideya Katsuhara

Takashi Imai

Masaki Hirakata

Satomi Kashiwagi

Sumiaki Yamasaki

Hidekazu Hirose

Toshiaki Hasegawa

Fumiaki Mera

Satoshi Kamiwaki

Kiyohiro Yamanaka

Yoichi Kigoshi

Wataru Yamada

Yuko Iwadate

Tatsuki Sano

Chika Hama

Tetsuya Taguchi

Kenji Yao

Susumu Yoshino

Takahiro Ishizuka

Takako Kobayashi

Hirokazu Hamano

Tomoya Sasaki

Noriyuki Mizutani

Mieko Seki

Takafumi Koide

Masayuki Nishikawa

Masahiro Oki

Shigeru Seitoku

Atsushi Sugitate

Shinya Nakashima

Takahisa Fujii

Masaaki Usami

Kazusei Yoshida

Kosuke Nakada

Ayu Naito

Shota Matoba

Takashi Hasegawa

Seiji Suzuki

Toshihiko Suzuki

Daisuke Tomita

Kenji Kajiwara

Kunihiko Watanabe

Hirohito Yoneyama

Masahiko Miyamoto

Masakazu Iijima

Yasuhiro Kusumoto

Keisuke Kusano

Kenta Shingu

Akihiro Kawasaki

Takashi Tanabe

Shigeto Hashiba

Yuto Okazaki

Kenji Waku

Tadashi Koyama

Kenta Ide

Hajime Sugahara

Junichi Tomonaga

Yasutaka Matsumoto

Daisuke Togashi

Yoshiteru Yamada

Takeshi Tanabe

Mitsuhiro Nishizono

Katsuji Morishita

Yoshitake Ogura

Tomoyo Okubo

Kohei Hashimoto

Shinichirou Kawashima

A particle set for producing a printed matter includes: a chromatic color toner containing toner particles A; and pressure-responsive particles containing base particles B, in which the base particles B contain a styrene resin containing, as polymerization components, styrene and a vinyl monomer other than styrene, and a (meth)acrylate resin containing, as a polymerization component, a (meth)acrylate, a mass ratio of the styrene resin to the (meth)acrylate resin (styrene resin:(meth)acrylate resin) is 80:20 to 20:80, a difference between the lowest glass transition temperature and the highest glass transition temperature of the pressure-responsive particles is 30° C. or more, and when the toner particles A have a volume average particle diameter D50A and the base particles B have a volume average particle diameter D50B, the D50A and the D50B satisfy formula 1-1: 1.5 μm<(D50B−D50A).

Particle set for producing printed matter, apparatus for producing printed matter, and method for producing printed matter

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 method for producing pressure-responsive particles includes: adding an aggregating agent and a dispersion containing silica particles to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to cause aggregation so as to form aggregated particles; and heating and fusing the aggregated particles to form pressure-responsive particles. The amount of the silica particles added by the dispersion containing the silica particles is 0.5 mass % or more and 10 mass % or less relative to a total mass of the composite resin particles. The mass ratio of the styrene-based resin to the (meth)acrylic acid ester-based resin in the pressure-responsive particles is from 80:20 to 20:80. A difference between the lowest glass transition temperature and the highest glass transition temperature of resins contained in the pressure-responsive particles is 30° C. or more.

Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particles

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 method for producing pressure-responsive particles includes: adding an aggregating agent to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to aggregate the composite resin particles so as to form aggregated particles A; forming a shell by adding an aggregating agent and styrene-based resin particles containing a styrene compound and a vinyl monomer other than the styrene compound as polymer components to a dispersion containing the aggregated particles A to aggregate the styrene-based resin particles so as to form aggregated particles B; and heating and fusing the aggregated particles B to form pressure-responsive particles.

Pressure-responsive particles include pressure-responsive base particles and silica particles, in which the pressure-responsive base particles contain a styrene-based resin that contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin that contains at least two kinds of (meth)acrylic acid esters as polymerization components and in which a ratio of a mass of the (meth)acrylic acid esters to a total mass of polymerization components is 90% by mass or more, the pressure-responsive particles have at least two glass transition temperatures, a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher, and a ratio of a surface coating rate Cs2 by the silica particles after application of the following first stress to a surface coating rate Cs1 by the silica particles before application of stress satisfies a relationship of 0.4≤Cs2/Cs1≤0.8.

Pressure-responsive particles, cartridge, and apparatus for manufacturing printed matter

A polyimide precursor solution contains: an aqueous solvent containing water; particles; and a polyimide precursor, wherein the polyimide precursor has a high molecular weight region A containing a high molecular weight side maximum value and a low molecular weight region B containing a low molecular weight side maximum value in an elution curve obtained by gel permeation chromatography, a weight average molecular weight in the high molecular weight region A is 50,000 or more, a weight average molecular weight in the low molecular weight region B is 10,000 or more and 30,000 or less, and a value of a/(a+b) is 0.60 or more and 0.98 or less in which a represents an area of the high molecular weight region A and b represents an area of the low molecular weight region B.

Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film

An electrophotographic photosensitive member includes a conductive support and a photosensitive layer disposed on the conductive support. A top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials. When the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge The ratio A of the amount of each of the charge transporting materials to the total amount of the charge transporting materials satisfies the condition 1 below,[(100/)&#x2212;(100/&#xd7;0.3)]&#x2264;&#x2264;[(100/)+(100/&#xd7;0.3)]&#x2003;&#x2003;Condition 1

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

A polyimide precursor solution includes: a polyimide precursor; polyester resin particles containing a polyester resin and having a volume average particle diameter of from 3 &#x3bc;m to 50 &#x3bc;m inclusive and an average circularity of 0.970 or more; and a solvent.

Polyimide precursor solution, method for producing porous polyimide film, porous polyimide film, and insulated wire

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

Growing community of inventors

Kanagawa, Japan

Takeshi Iwanaga