Fujifilm Corporation

Fuji Photo Film Company, Limited

Ippei Nakamura

Ikuo Kawauchi

Kazuto Kunita

Tadahiro Sorori

Akio Oda

Yuuichi Hayata

Takeshi Serikawa

Tomotaka Tsuchimura

Tomoyoshi Mitsumoto

Mitsumasa Tsuchiya

Masaharu Sugai

Kazuto Shimada

Tokihiko Matsumura

Norihide Shimohara

Hirokazu Kyota

Akihiro Endo

Hideo Miyake

Tatsuo Nakamura

Hiromichi Kurita

Toshiaki Aoai

Koichi Kawamura

Naonori Makino

Kenji Wada

Seishi Kasai

Hidekazu Oohashi

Keitaro Aoshima

Kazuhiro Fujimaki

Tsutomu Umebayashi

Kazuhiro Yokoi

Yutaka Adegawa

Koji Yasuda

Koji Hironaka

Kotaro Watanabe

Kunio Nakamura

Tomoo Murakami

Takeshi Kimura

The invention provides an aqueous ink composition, including a compound containing a water-soluble group and at least two groups each represented by following Formula (1); 

Aqueous ink composition, inkjet recording method, and inkjet printed article

The present invention provides an ink composition including (Component A) a compound having two or more groups represented by Structural Formula (1), (Component B) a compound represented by Formula (2), (Component C) a coloring material, and (Component D) water: wherein in Structural Formula (1), Rand Rrepresent alkyl groups, and Rand Rmay be bonded to each other to form a ring; and in Formula (2), Rand Reach represent a hydrogen atom, an alkyl group, an aryl group, or the like; Yand Yeach represent &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;NR&#x2014;, or the like; Gand Geach represent a hydrogen atom, a cyano group, an amide group, or the like; Rand R, and Gand Gmay be respectively bonded to each other to form a ring; and at least one of R, R, Y, Y, Gand Gis substituted with a hydrophilic group. 

Ink composition, image forming method, and printed matter

The invention provides an ink composition for inkjet recording, including:

Ink composition for inkjet recording, inkjet recording method and printed material obtained by inkjet recording

A pigment dispersion including: 2 to 35% by mass of a pigment (a); 10 to 30 parts by mass of a polymer (b) with respect to 100 parts by mass of the pigment (a), the polymer (b) containing 5 to 30% by mass of a repeating unit represented by the following Formula (1) and having a weight average molecular weight of 10000 to 200000; and 15 to 50 parts by mass of a graft copolymer (c) having a polyalkylene imine chain or a polyallylamine chain in a main chain thereof and a polyester chain in a side chain thereof with respect to 100 parts by mass of the pigment (a), in which a total of the contents of the polymer (b) and the graft copolymer (c) is in the range of 25 to 70 parts by mass with respect to 100 parts by mass of the pigment (a). 

Pigment dispersion, ink composition using the same, and printed material

The invention provides an ink composition having at least (A) a polymerization initiator, (B) an ester or amide of (meth)acrylic acid having a 1,3-dioxolane ring skeleton or a 1,3-dioxane ring skeleton or (B') an ester or amide of (meth)acrylic acid having a 1,3-diketone structure, and (C) a colorant. The invention further provides an inkjet recording method and a method for producing a planographic printing plate, each of which includes at least (I) ejecting the ink composition onto a hydrophilic support and (II) curing the ink composition by irradiating the ejected ink composition with active radiation so as to form a hydrophobic image region on the hydrophilic support. The invention furthermore provides a planographic printing plate formed by the method for producing a planographic printing plate.

Ink composition, inkjet recording method, printed material, method for producing planographic printing plate, and planographic printing plate

The present invention provides an ink composition including: 

Ink composition and inkjet recording method

The invention provides an ink composition comprising a polymerization initiator, a (meth)acrylate having a double bond with a carbon atom having an sphybrid orbital at an &#x3b1; position, and a colorant; an ink jet recording method using the ink composition; a planographic printing plate obtained by using the ink composition; and a method for producing the planographic printing plate.

Ink composition, ink jet recording method, method for producing planographic printing plate, and planographic printing plate

A photocurable composition is provided that includes a polymerizable compound, a photopolymerization initiator that is an acylphosphine oxide and/or an alpha-aminoacetophenone, a compound represented by Formula (I) below, and an amine compound. There are also provided a photocurable ink, a process for producing a photocured material, and an inkjet recording method. 

Photocurable composition, photocurable ink composition, process for producing photocured material, and inkjet recording method

The invention provides an ink composition including a compound including a polymerizable unsaturated bond and a sulfide bond; and a radical polymerization initiator.

Ink composition comprising a compound with a sulfide bond and an ink jet recording method

There is provided an ink composition for ink jet recording, including (A) N-vinyllactam, (B) a compound having a partial structure represented by the following formula (I) and a polymerizable unsaturated bond, and (C) a radical polymerization initiator. In formula (I), Rrepresents a hydrogen atom or an alkyl group, and Rto Reach independently represent a methyl group or an ethyl group. 

Ink composition for ink jet recording and method for ink jet recording

An ink composition of the present invention is disclosed, which contains (i) a sensitizing dye represented by the following Formula (I); (ii) at least one polymerization initiator selected from the group consisting of &#x3b1;-aminoketones and acyl phosphine oxides; and (iii) an ethylenically unsaturated bond-containing polymerizable compound. In Formula (I), X represents O, S or NR; n represents an integer of 0 or 1; R represents a hydrogen atom, an alkyl group or an acyl group; Rto Reach independently represent a hydrogen atom or a monovalent substituent; Rand R, Rand R, and Rand Rmay be connected to each other to form a ring; and Ror Rmay be connected to Ror Rto form an aliphatic ring but not to form an aromatic ring. 

Ink composition and inkjet recording method using the same

The invention provides an ink composition including (A) a polymerization initiator and (B) a (meth)acrylic acid ester having an alicyclic group as a substituent or amide having an alicyclic group as a substituent. The ink composition preferably further contains (D) a colorant and (E) a sensitizing dye. The ink composition is used for ink jet recording.

Ink composition, ink jet recording method, method for producing planographic printing plate and planographic printing plate

An ink composition includes (A) a polymerization initiator; (B) an ester or amide of a mono-functional (meth)acrylic acid having an alkylene oxide repeating unit in a molecule; and (C) a colorant, and preferably further includes (E) a sensitizing dye.

Ink composition, inkjet recording method, producing method of planographic printing plate, and planographic printing plate

The present invention provides: a pigment composition that includes at least (A) a polyallylamine derivative including at least 1% to 50% by mol of a structural unit represented by Formula (1-a), 49% to 95% by mol of a structural unit represented by Formula (1-b) and 1% to 30% by mol of a structural unit represented by Formula (1-c), and (B) a pigment, and improves pigment dispersibility and dispersion stability; an ink composition, a printed article and an inkjet recording method, which use the pigment composition; and a polyallylamine derivative useful for these. In Formula (1-b), Rrepresents &#x2014;NHCORor &#x2014;NHOCOR, in which Rrepresents a residue obtained by removing a carboxy group from any one of polyester, polyamide or polyesteramide, which each have a free carboxylic acid. In Formula (1-c), Rrepresents &#x2014;NHCORor &#x2014;NHOCOR, in which Rrepresents an organic group having an aromatic ring or a heteroaromatic ring.

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Shizuoka-ken, Japan

Ippei Nakamura