Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Fumiaki Mera

Hirotaka Matsuoka

Yasuo Matsumura

Yuki Sasaki

Satoshi Hiraoka

Hideo Maehata

Masaki Hirakata

Takashi Imai

Takeshi Iwanaga

Nobuyuki Torigoe

Hideya Katsuhara

Yoichi Kigoshi

Akihiro Iizuka

Satomi Kashiwagi

Hiroshi Takano

Hirofumi Shiozaki

Haruhide Ishida

Tetsuya Taguchi

Akira Matsumoto

Susumu Yoshino

Yasuo Yamamoto

Yosuke Tsurumi

Kenji Kajiwara

Hisae Yoshizawa

Takako Kobayashi

Masanobu Ninomiya

Yoshihiro Inaba

Yuko Iwadate

Fusako Kiyono

Michio Take

Taichi Yamada

Koutarou Yoshihara

Yasuhiro Oya

Rieko Kataoka

Yuusaku Shibuya

Tatsuki Sano

Kousaku Yoshimura

A surface protecting resin member includes a cured product of a composition containing an acrylic resin having a hydroxyl value within the range of 40 mgKOH/g to 280 mgKOH/g, a polyol having a hydroxyl value within the range of 40 mgKOH/g to 300 mgKOH/g, a multifunctional isocyanate, and a fluorotelomer alcohol represented by the following general formula CF(CF)&#x2014;(CH)&#x2014;OH, where n is an integer of 1 or more and m is an integer within the range of 1 to 4.

Surface protecting resin member and liquid set

Provided is a solution for forming a surface protective resin member, containing: a fluorine-containing acrylic resin having a hydroxyl value of 40 to 280; a fluorine-free acrylic resin having a hydroxyl value of 40 to 280; and a polyether polyol or a polyester polyol.

Solution for forming surface protective resin member, solution set for forming surface protective resin member, and surface protective resin member

An electrophotographic photosensitive member includes a conductive base; an organic photosensitive layer disposed on the conductive base, the organic photosensitive layer including a layer that constitutes a surface and contains a charge transport material, a binder resin having a viscosity-average molecular weight less than about 50,000, and silica particles in an amount of about 40% by weight or more; and an inorganic protective layer disposed on the organic photosensitive layer.

Electrophotographic photosensitive member, process cartridge, and image forming apparatus

A unit for an image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, a photosensitive layer provided on the conductive substrate, and a surface layer provided so as to contact with an outermost surface of the photosensitive layer, and an exposure section that exposes the electrophotographic photoreceptor with a light having a wavelength (&#x3bb;) (nm) so as to form an electrostatic latent image on a charged surface of the electrophotographic photoreceptor, wherein a surface roughness (Rz1) (nm) of the outermost surface of the photosensitive layer satisfies an expression of [(Rz1)&#x2267;(&#x3bb;)/(4&#xd7;(n2))] where a refractive index of the surface layer is set as (n2), and an outermost surface of the surface layer has a surface shape different from the outermost surface of the photosensitive layer.

Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor

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

An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate, an organic photosensitive layer provided on the conductive substrate, and an inorganic protective layer provided on the organic photosensitive layer; a charging unit that charges a surface of the electrophotographic photoreceptor; an electrostatic latent image forming unit that forms an electrostatic latent image on a charged surface of the electrophotographic photoreceptor; a developing unit that develops the electrostatic latent image formed on the surface of the electrophotographic photoreceptor to thereby form a toner image, by using a developer which contains a toner, and a carrier in which a ratio occupied by carrier particles having a particle diameter of 50 &#x3bc;m or greater is equal to or smaller than 1% by number; and a transfer unit that transfers the toner image to a surface of a recording medium.

Image forming apparatus and process cartridge

Methods and compositions including a compound represented by formula (I): wherein n represents an integer of from 1 to 4, R('s) each independently represents Cl or F, and Rrepresents an alkyl group having from 8 to 20 carbon atoms.

Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method

A baroplastic includes a first resin with a first Tg; and a second resin with a second Tg that is lower than the first Tg by 20&#xb0; C. or more, and has a photoreactive group.

Baroplastic, resin composition, electrostatic-image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus and image forming method

A method for producing a binder resin comprises polycondensing a polycondensable monomer by using a polycondensation catalyst that comprises: at least one of compounds of formula (I) or (II); and at least one of compounds represented of formula (III) or (IV), wherein weight ratio of total amount of the compounds of formula (I) or (II) to total amount of the compounds of formula (III) or (IV) is from 5:95 to 95:5: wherein Rrepresents a C-Cstraight-chain alkyl group; Rrepresents a monovalent organic group; and number n of substituents Rrepresents an integer of from 0 to 4;R&#x2014;SOH&#x2003;&#x2003;(II)wherein Rrepresents a C-Cstraight-chain alkyl group; wherein Rrepresents a C-Cbranched alkyl group; Rrepresents a monovalent organic group; and number m of substituents Rrepresents an integer of from 0 to 4; andR&#x2014;SOH&#x2003;&#x2003;(IV)wherein Rrepresents a C-Cbranched alkyl group.

Method for producing binder resin, particulate resin dispersion and method for producing same, electrostatic image development toner and method for producing same, electrostatic image developer, and image forming method

An electrostatic charge image developing toner includes: a polyester resin containing a graft copolymer, the graft copolymer being formed with a polyester skeleton as a main chain and block copolymers containing a styrene-based polymer block and a crystalline acrylate-based polymer block. The styrene-based polymer block is grafted onto the polyester skeleton.

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

A carrier for developing an electrostatic latent image includes carrier particles, and the carrier particles include magnetic particles and a coating layer coating the surfaces of the magnetic particles. The BET specific surface area of the magnetic particles is 0.1300 m/g to 0.2500 m/g, and the difference in BET specific surface areas obtained by subtracting the BET specific surface area of the magnetic particles from the BET specific surface area of the carrier particles is 0.0300 m/g to 0.400 m/g.

Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same

A toner for developing an electrostatic image contains at least one of an oxidation polymerizable monomer and a polymer having an ethylenically unsaturated group, and an oxidation polymerization catalyst in a form of a composite with inorganic particles, wherein a temperature T(10 Mpa) and a temperature T(1 Mpa) satisfies the following expression (1):20&#xb0; C.&#x2266;(1 MPa)&#x2212;(10 MPa)&#x2003;&#x2003;(1)

Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus

An image forming method includes charging an image holding member; forming an electrostatic latent image on a surface of the image holding member; developing the electrostatic latent image formed on the surface of the image holding member with a toner or an electrostatic image developer to form a toner image; transferring the toner image formed on the surface of the image holding member onto a surface of a transfer-receiving material; fixing the toner image by pressurization without heating; feeding at least one photoreactive component to the toner or toner image; and irradiating the toner image with ultraviolet rays, wherein the toner satisfies the relationship of the following relational expression (1):(30)&#x2266;100&#x3c;(30)&#x2003;&#x2003;(1)wherein T(30) and T(30) are defined in the specification.

Image forming method, process cartridge and image forming apparatus

A resin particle liquid dispersion for an electrostatic image developing toner, comprising: an aqueous medium; and a resin particle dispersed in the aqueous medium to have a median diameter of 0.05 to 2.0 &#x3bc;m, the resin particle comprising a polycondensable polymer obtained by polycondensing polycondensable monomers, wherein a storage modulus GL(30) of the resin particle at 30&#xb0; C. is 1&#xd7;10Pa or more, and a melting point of the polycondensable polymer is from 45 to 110&#xb0; C.

Resin particle liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, production method thereof, developer and image forming method

A method for producing a colored resin particle dispersion liquid comprises: polycondensing a polyester-forming monomer in a nonaqueous solvent to produce an unsaturated polyester; graft-polymerizing an ethylenic unsaturated monomer to the unsaturated polyester in a nonaqueous solvent to produce a modified polyester resin; and dispersing a colorant and the modified polyester resin to produce a colored resin particle dispersion liquid, the polycondensing and the graft-polymerizing being carried out at a temperature of 150&#xb0; C. or less.

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Kanagawa, Japan

Fumiaki Mera