Fujifilm Corporation

Fuji Photo Film Company, Limited

Fuji Film Co., Ltd.

Terukazu Yanagi

Tatsuya Igarashi

Hiroshi Yamamoto

Takahiro Ishizuka

Akio Tamura

Takahiro Kato

Hisashi Okada

Yoshihisa Tsukada

Katsuhiko Kanazawa

Minoru Sakai

Mamoru Sakurazawa

Nobuo Hamamoto

Toshiyuki Makuta

Junichi Yamanouchi

Kazumi Nii

Yasuhiko Kachi

Tomokazu Yasuda

Misato Sasada

Kaoru Tojo

Akira Ikeda

Toshihiro Kariya

Shinichi Ichikawa

Koichi Yokota

Kouichi Yokota

Seiji Hatano

Makiko Yokoi

Yasuhiro Yoshioka

Ken Kawata

Nobutaka Fukagawa

Shinichi Morishima

Kiyoshi Morimoto

Yusuke Nakazawa

Hiroshi Kawamoto

Tomoyuki Ohzeki

Kiyoshi Irita

Kazutaka Takahashi

Yoichi Maruyama

Yoshimitsu Arai

Yuhei Chiwata

Takashi Hirakawa

Katsuyuki Takada

Hidekazu Sakai

Ryo Saito

Tatsuya Ishizaka

Masahiko Taniguchi

Akira Takeda

Koji Yasuda

Yasufumi Ooishi

Shoji Yasuda

Katsuyuki Hirato

Kiyohito Takada

Makiko Aimi

Ikuko Ohgaru

Yuki Imaizumi

Hiroyuki Kitaoka

Atsushi Kato

Naohiro Takeda

Akina Nakaune

Toshitaka Ninomiya

Mayuko Suzuki

A ceramide dispersion composition, includes: at least one ceramide represented by Formula (1) or Formula (2); a surfactant; and trisodium ascorbyl palmitate phosphate, wherein in Formula (1), Rrepresents an aliphatic hydrocarbon group having at least one unsaturated double bond, Rrepresents an alkyl group having 9 or more carbon atoms, and n represents an integer from 20 to 34; and in Formula (2), Rrepresents an aliphatic hydrocarbon group having at least one unsaturated double bond, Rrepresents an alkyl group having 9 or more carbon atoms, m represents an integer from 20 to 34, and X represents a hydrogen atom or a hydroxyl group. 

Ceramide dispersion composition

An image forming method including applying an ink composition onto a recording medium by an inkjet method, and applying an liquid including particles onto the recording medium is disclosed.

Image forming method

The invention provides an ink composition comprising a colorant, water and wax particles, the wax particles comprising at least two kinds of wax; an ink set including the ink composition; and a method of forming an image using the ink composition.

Ink composition, ink set and image forming method

An image forming method includes ejecting an ink composition including a volatile organic solvent with a solubility parameter of 20 MPato 25 MPa, acid-functionalized polymer colloid particles with a glass transition temperature of 25&#xb0; C. to 85&#xb0; C., and a pigment with a surface at least a part of which is coated with a polymer, onto a non-porous substrate by an ink jet method to form an image, and the absolute value of the difference between the solubility parameter of the non-porous substrate and the solubility parameter of the volatile organic solvent of the ink composition falls within 15 MPa.

There is provided an ink set including an aqueous ink composition and a maintenance liquid. The aqueous ink composition includes water; a pigment; resin particles having a minimum film-forming temperature MFT, which is a minimum film-forming temperature obtained when the resin particles are dispersed in water, of 60&#xb0; C. or higher; and a water-soluble organic solvent, wherein a minimum film-forming temperature MFTof the resin particles, which is a minimum film-forming temperature obtained when the resin particles are mixed with the water-soluble organic solvent in an amount of 25% by mass relative to the solid content of the resin particles, and water, is at least 40&#xb0; C. lower than MFT. The maintenance liquid includes an organic solvent and water. There is also provided an image recording method.

Ink set and image recording method

An ink set for ink jet recording including an ink composition containing a coloring material, and a polymer particle including 65 mass % or more of a constituent unit derived from a methacrylic acid derivative, and a treating liquid which forms an aggregate when contacted with the ink composition, and an ink jet recording method using the same are provided.

Ink set for ink jet recording and ink jet recording method

An image forming method including: applying a treatment liquid containing a copolymer of epihalohydrin and dimethylamine to a recording medium having a coated layer; and applying an ink composition containing a self-dispersing pigment, a solvent, a surfactant, wax particles and water to the recording medium.

Image forming method and ink set

The invention provides a water-based ink composition including: a water-based medium, a colored particle containing a pigment and a water-insoluble polymer dispersant, and a self-dispersing polymer particle including a hydrophilic constituent unit, and a hydrophobic constituent unit derived from alicyclic (meth)acrylate, as well as an ink set comprising the water-based ink composition, and an image forming method using the aqueaous ink composition or the ink set.

Water-based ink composition, ink set and image forming method

An ink composition is disclosed which includes a pigment that is coated with a water-insoluble resin, particles of a water-insoluble polymer having a glass transition temperature of 100&#xb0; C. or higher, a solid moistening agent, a water-soluble organic solvent, particles of a wax having a melting point of from 40&#xb0; C. to lower than 100&#xb0; C., and water.

Ink composition and image forming method

There are provided an ink composition including a coloring material, a hydrophilic organic solvent, polymer particles that have a minimum filming temperature (MFT) of 60&#xb0; C. or more when dispersed in water and that have a MFT 40&#xb0; C. or more lower than the MFTwhen mixed with water and 25 mass % of the hydrophilic organic solvent based on a solid content of the polymer, and water; an ink set including the ink composition and a treating liquid capable of forming an aggregate upon contact with the ink composition; and an ink-jet recording method using the ink composition or the ink set.

Ink composition, ink set and ink-jet recording method

An ink-jet ink composition comprising: a pigment, a polymer pigment dispersion, polymer particles, a hydrophilic organic solvent, water, and at least one of a water-soluble acidic compound having a molecular weight of 200 or less or a salt thereof in an amount of from 50 ppm to 1,000 ppm; an ink set that includes the ink-jet ink composition and a treatment liquid that forms an aggregate when contacted with the ink-jet ink composition; and an image forming method using the ink set.

Ink-jet ink composition, ink set, and image forming method

The method forms an image using an inkjet recording apparatus, which includes: an image formation unit having a line head type inkjet head disposed opposite a circumferential surface of an image formation drum, the inkjet head depositing the aqueous ink onto the recording medium while the recording medium is held and conveyed in rotation on the circumferential surface of the image formation drum; and a drying unit arranged on a downstream side of the image formation unit, the drying unit having a drying device disposed opposite a circumferential surface of a drying drum, the drying device drying a solvent in the aqueous ink deposited on the recording medium, the drying unit drying the solvent by means of the drying device while the recording medium is held and conveyed in rotation on the circumferential surface of the drying drum; using, as the recording medium, a special paper which is a recording medium successively laminated from a base paper, a first layer containing a binder and a second layer containing a white pigment, the base paper with the first layer provided thereon having a Cobb water absorbency of not higher than 5.0 g/m2 with a contact time of 15 seconds based on a water absorbency test stipulated in JIS P8140, and the second layer having a water absorption amount of not lower than 2 ml/m2 and not higher than 8 ml/m2 with a contact time of 0.5 seconds according to Bristow's method, and having a layer surface pH of not higher than 5.5 after pH adjustment.

An ink composition for ink-jet recording, including: coloring particles containing a pigment that is coated with a water-insoluble polymer dispersant, and self-dispersing polymer particles containing a first polymer which includes a constituent unit derived from a hydrophilic monomer and a constituent unit derived from a hydrophobic monomer, and which has a glass transition temperature from 150&#xb0; C. to 250&#xb0; C. and an I/O value of from 0.20 to 0.55; an ink set including the ink composition; and an image forming method using the ink set are provided.

Ink composition for ink-jet recording, ink set and image forming method

An ink set for inkjet recording including an ink composition including a dispersion of a pigment dispersed by a water-insoluble polymer which is formed by copolymerizing a monomer mixture containing a styrenic macromer, as well as self-dispersing polymer particles, a water-soluble organic solvent, and water; and a reactive liquid which forms an aggregate when contacted with the ink composition; and an image recording method using the ink set, are provided.

Ink set for inkjet recording and image recording method

The inkjet recording method includes: a treatment liquid depositing step of applying treatment liquid onto a recording medium on a treatment liquid drum; an image forming step of ejecting ink from a line inkjet head to deposit the ink onto the recording medium on which the treatment liquid has been deposited on a circumferential surface of an image formation drum, the ink containing at least a resin dispersant (A), a pigment (B) that is dispersed by the resin dispersant (A), self-dispersible polymer micro-particles (C) and an aqueous liquid medium (D), the ink having one of a solid component that is aggregated upon making contact with the treatment liquid and a solid component that is precipitated upon making contact with the treatment liquid; and a drying step of drying a solvent in the ink having been deposited on the recording medium on a drying drum.

Inkjet recording method and apparatus

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Kanagawa, Japan

Terukazu Yanagi