Ricoh Company, Ltd.

Asahi Kasei Kabushiki Kaisha

Tatsuya Morita

Kazumi Suzuki

Masana Shiba

Azumi Miyaake

Shinya Nakayama

Masahide Yamada

Rintaro Takahashi

Atsushi Yamamoto

Hiroshi Yamashita

Takamasa Hase

Tomohiro Nakagawa

Shingo Sakashita

Yoshitaka Yamauchi

Yoshihiro Moriya

Tsuyoshi Sugimoto

Keiji Makabe

Minoru Masuda

Toyoshi Sawada

Akihiko Gotoh

Akiyoshi Sabu

Satoshi Ogawa

Satoyuki Sekiguchi

Hiroki Hagiwara

Yukiko Nakajima

Taichi Nemoto

Hideyuki Santo

Masaki Yoshino

Daisuke Asahina

Suzuka Amemori

Daiki Yamashita

Shizuka Kohzuki

Kohsuke Nagata

Susumu Chiba

Hisao Kurosu

John Hamilton

Andrew McVitie

Yuki Kaji

Tomoko Kino

Derek Smith

Kousuke Nagata

Ippei Kimura

Andrew Mcvitie

Yohitaka Yamauchi

Provided is a method for applying an ink for applying an oil-based ink to a resin composition layer of a target including a base and the resin composition layer formed over a surface of the base, the method including: a pretreatment step of pre-treating the target before the oil-based ink is applied, with at least one surface treatment for improving a wetting/spreading property of the oil-based ink; a step of applying the oil-based ink to the target that has undergone the pretreatment step; and a post-treatment step of post-treating the target after the oil-based ink is applied, with at least one surface treatment for improving a wetting/spreading property of the oil-based ink.

Method for applying ink and method for producing wallpaper

Provided is a method for coating inks, the method including coating a plurality of kinds of inks on a target by an inkjet method individually, wherein the target includes a base and a gel layer provided on the base and containing a vinyl chloride resin and a plasticizer, wherein the plurality of kinds of inks are oil-based inks and include an ink x and an ink y that is to be discharged after the ink x is discharged, and wherein an interpenetration ratio Pxy of the inky to the ink x is 7.0% or greater but 13.0% or less.

Method for coating inks, method for producing wallpaper, image forming set, image forming system, ink, and ink set

A method for manufacturing a printing paper for decorative boards is provided. The method includes the processes of: applying a resin-containing liquid comprising at least one of a resin and a resin precursor to a base paper for decorative boards; forming a print layer on or in the base paper which is not dried after the resin-containing liquid is applied thereto; and solidifying a liquid contained in the base paper having the print layer.

Method and apparatus for manufacturing printing paper for decorative boards and method for manufacturing laminated structure

An image forming method includes applying a pre-processing fluid to a non-permeable recording medium, jetting an ink to the non-permeable recording medium, and accelerating drying the pre-processing fluid applied to and the ink jetted to the non-permeable recording medium, wherein the pre-processing fluid contains a multivalent metal salt and a resin particle.

Image forming method, image forming device, and method of manufacturing printed matter

A resin composition for a toner including a polyester resin and a colorant, wherein the polyester resin has A(10)-A(180) of 70 or greater, where A(10) (%) is a transmittance of light having a wavelength of 500 nm through a mixture of 20 parts by mass of the polyester resin added to 80 parts by mass of ethyl acetate and stirred at 25&#xb0; C. for 10 minutes, and A(180) (%) is the transmittance after the mixture is left to stand for 3 hours.

Resin composition for toner, toner, developer and image forming apparatus

Provided is a toner, including: a crystalline resin; and a colorant, wherein the toner has a sea island structure in which a crystal region containing the crystalline resin is formed as a sea, and a non-crystalline region containing the colorant is formed as an island.

Toner, developer, and image forming apparatus

A toner including a crystalline resin wherein the crystalline resin contains a crystalline resin having a urethane bond, a urea bond or both thereof, and wherein the crystalline resin has an average crystallite diameter of 20 nm to 70 nm.

To provide an electrophotographic toner, which contains a crystalline resin, a non-crystalline resin, a colorant, and a releasing agent, wherein the toner has a storage elastic modulus of 5.0&#xd7;10Pa to 5.0&#xd7;10Pa at 80&#xb0; C., and a storage elastic modulus of 2.0&#xd7;10Pa to 2.0&#xd7;10Pa at 140&#xb0; C., and wherein the toner has a ratio (C)/((C)+(A)) of 0.10 or greater, where (C) is an integrated intensity of a diffraction spectrum derived from a crystalline structure, (A) is an integrated intensity of a diffraction spectrum derived from a non-crystalline structure, and the diffraction spectrum is a diffraction spectrum of the toner as measured by an X-ray diffraction spectrometer.

Electrophotographic toner, two-component developer containing toner, and image forming apparatus

A toner, including: a crystalline resin; a non-crystalline resin; and a colorant, wherein the toner has a sea-island structure which includes a sea containing the crystalline resin and an island containing the non-crystalline resin and the colorant, wherein the island is 1.0 &#x3bc;m or less in domain diameter, and wherein the toner is 1.7&#xd7;10Pa or less in storage elastic modulus at 160&#xb0; C.

Toner, method for producing the toner, two-component developer, and image forming apparatus

Toner contains a binder resin containing a crystalline resin having a urethane and/or urea bonding; and a colorant, wherein in a diffraction spectrum of the toner as measured by an X-ray diffraction instrument, a ratio {C/(C+A)} of an integral intensity C of the spectrum derived from the crystalline structure to an integral intensity A of the spectrum derived from the non-crystalline structure is 0.12 or greater, wherein the toner satisfies the following relation 1: T1&#x2212;T2&#x2266;30&#xb0; C. (Relation 1), where T1 represents the maximum endothermic peak in the first temperature rising from 0&#xb0; C. to 100&#xb0; C. at the temperature rising rate of 10&#xb0; C./min and T2 represents the maximum exothermic peak in the first temperature falling from 100&#xb0; C. to 0&#xb0; C. at the temperature falling rate of 10&#xb0; C./min as T1 and T2 are measured by diffraction scanning calorimetry (DSC).

Toner, development agent, image forming apparatus, and process cartridge

White toner contains a binder resin, a white pigment, and a releasing agent, wherein the white pigment is coated with the releasing agent and dispersed in the binder resin.

White toner, method for producing the same, and development agent, recording medium, printed matter, and image forming apparatus using the same

The present invention provides a toner containing base particles formed by emulsifying or dispersing, in an aqueous medium, a toner composition liquid which is obtained by dissolving or dispersing, in an organic solvent, at least a binder resin soluble in the organic solvent and a colorant masterbatch containing a colorant and a colorant dispersion resin, wherein the colorant dispersion resin is a resin having sparing solubility defined below: where the 'sparing solubility' means that when 4 parts by mass of the colorant dispersion resin are added to and mixed with 10 parts by mass of the organic solvent, the mixture becomes white turbid at 25&#xb0; C. or becomes a transparent solution once at 25&#xb0; C. and then becomes white turbid within 12 hours.

Toner, method for producing the same, and developer

A toner comprising an amorphous polyester, a crystalline polyester that is forming domains in the toner, and a colorant that is being dispersed at least in the domains of the crystalline polyester. The toner may be obtained by dispersing an oil phase including the amorphous polyester or a precursor capable of producing the amorphous polyester, the crystalline polyester, the colorant, and an organic solvent, in an aqueous medium to prepare an O/W dispersion, the oil phase; and removing the organic solvent from the O/W dispersion.

Toner, toner set, developer, developer set, image forming apparatus, image forming method, and process cartridge

A developer, including a toner including a binder resin comprising a crystalline resin; and a colorant, and a resin carrier comprising a resin; a magnetic particulate material having a magnetic anisotropy, dispersed in the resin, and having a saturated magnetization of from 16 to 30 emu/g, a coercive force of from 15 to 40 kA/m and an average particle diameter not less than 15 &#x3bc;m and less than 100 &#x3bc;m.

Developer for electrophotography, image forming apparatus and process cartridge

A toner set for electrophotography, including a black toner; a yellow toner; a magenta toner; a cyan toner; and a bright yellow toner, wherein the magenta toner includes a magenta colorant mainly including C.I. Pigment Red 122, the yellow toner has a hue angle of from 93 to 100&#xb0; and the bright yellow toner has a hue angle of from 60 to 85&#xb0; in L*a*b* color system.

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Kanagawa, Japan

Tatsuya Morita