Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Yuko Iwadate

Katsumi Nukada

Wataru Yamada

Kenji Kajiwara

Hidekazu Hirose

Tomoya Sasaki

Takatsugu Doi

Tsuyoshi Miyamoto

Kenji Yao

Tetsuya Taguchi

Takahiro Ishizuka

Hirokazu Hamano

Hideaki Yoshikawa

Hiroyuki Moriya

Daisuke Nakayama

Masayuki Okoshi

Masahiro Oki

Satomi Kashiwagi

Kazusei Yoshida

Ayu Naito

Takeshi Iwanaga

Kenya Sonobe

Tatsuki Sano

Shota Matoba

Takayuki Ito

Takashi Imai

Masaki Hirakata

Fumiaki Mera

Nobuyuki Torigoe

Hideya Katsuhara

Yoichi Kigoshi

Ryo Sekiguchi

Toshie Furuya

Daisuke Nakashima

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 resin composition contains a biodegradable resin and cellulose particles that have a sphericity of 0.9 or more.

Resin composition and resin molded body

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.

This resin composition includes: a polyolefin; carbon fibers having an average fiber length of 0.1 to 2.5 mm; a resin including at least one among an amide bond and an imide bond, the content of the resin with respect to 100 parts by mass of the polyolefin being greater than 20 parts by mass and less than or equal to 100 parts by mass; and a compatibilizer.

A resin composition contains: polyolefin; a carbon fiber; a resin containing at least one of an amide bond and an imide bond; and a compatibilizer, the resin containing at least one of an amide bond and an imide bond forms a coating layer around the carbon fiber, and a thickness of the coating layer is from 50 nm to 700 nm.

Resin composition, resin molded article, and method of preparing resin composition

An electrophotographic photoreceptor includes an electroconductive substrate, an organic photosensitive layer on the electroconductive substrate and an inorganic protective layer on the organic photosensitive layer, wherein a layer that forms a surface of the organic photosensitive layer contains a charge transporting material, a binder resin, and a silica particle; the inorganic protective layer contains a group 13 element, an oxygen atom, and a hydrogen atom; a sum of element constitution ratios of the group 13 element, the oxygen atom, and the hydrogen atom to all elements constituting the inorganic protective layer is equal to or more than 90 atomic %; and an element composition ratio (oxygen atom/group 13 element) of the oxygen atom and the group 13 element is 1.0 or more and less than 1.5.

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

Provided is a fluorine-containing resin particle dispersion including: fluorine-containing resin particles, a resin which is not dissolved in at least one solvent in a group of hydroxyl group-containing solvents including an alcohol-based solvent having 1 to 10 carbon atoms, containing no aromatic ring in the molecule structure, and a water-based medium, and which is adhered on the surface of the fluorine-containing resin particles, and at least one solvent, in which the resin is not dissolved, in the group of hydroxyl group-containing solvents, in which the fluorine-containing resin particles having the resin adhered on the surface thereof are dispersed.

Fluorine-containing resin particle dispersion, method for preparing fluorine-containing resin particle dispersion, coating liquid which contains fluorine-containing resin particles, method for preparing coating film which contains fluorine-containing resin particles, coating film which contains fluorine-containing resin particles, molded body, electrophotographic photoreceptor, method for preparing electrophotographic photoreceptor, image forming apparatus, and process cartridge

A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a coating layer around the glass fiber, and wherein the thickness of the coating layer is from 50 nm to 700 nm.

A resin composition including a thermoplastic resin, a glass fiber, a resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond, and a compatibilizer, wherein a part of the resin which is different from the thermoplastic resin and contains at least one of an amide bond and an imide bond forms a domain having a diameter of from 5 &#x3bc;m to 10 &#x3bc;m in a matrix of the thermoplastic resin.

An image forming method satisfies the following Expressions:0.01&#x3c;&#x3c;0.20&#x2003;&#x2003;Expression (A1):0.005&#x3c;&#x3c;5.000&#x2003;&#x2003;Expression (B1):0.002&#x3c;&#x3c;1.000&#x2003;&#x2003;Expression (B2):1.0&#x3c;max/min&#x3c;2.5&#x2003;&#x2003;Expression (C1):1.0&#x3c;max/min&#x3c;2.5&#x2003;&#x2003;Expression (C2):wherein, when a content of the fatty acid metal salt particles with respect to the entire weight of the toner is set as Rmf, an average abrasion rate of the electrophotographic photoreceptor is set as Wh, a maximum abrasion rate of the electrophotographic photoreceptor is set as Whmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Whmin, and an average abrasion rate of the electrophotographic photoreceptor is set as Wl, a maximum abrasion rate of the electrophotographic photoreceptor is set as Wlmax, and a minimum abrasion rate of the electrophotographic photoreceptor is set as Wlmin.

Image forming method, image forming apparatus, and process cartridge

An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer provided on the conductive substrate, wherein an outermost surface layer of the electrophotographic photoreceptor is composed of a cured film of a composition containing a reactive charge transport material, a zinc stearate coverage of the surface of the outermost surface layer is 5.0% or more, and an oxygen permeability coefficient of the outermost surface layer before coating with zinc stearate is 2.0&#xd7;10fm/Pa&#xb7;s or more.

An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer provided on the conductive substrate, and an outermost surface layer of the electrophotographic photoreceptor is constituted with a polymerized product or crosslinked product of a composition including at least one selected from reactive compounds represented by the formulae (I) and (II) and a non-reactive charge transporting material, a content of the non-reactive charge transporting material in the composition is from 5% by weight to 40% by weight based on the weight of the outermost surface layer, and a content of the unreacted reactive compound in the outermost surface layer after forming the outermost surface layer is 3% by weight or less based on the weight of the outermost surface layer.

Growing community of inventors

Kanagawa, Japan

Yuko Iwadate