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1. WO2020179313 - INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD

Publication Number WO/2020/179313
Publication Date 10.09.2020
International Application No. PCT/JP2020/004026
International Filing Date 04.02.2020
IPC
B41J 2/01 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
C09D 11/322 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
32characterised by colouring agents
322Pigment inks
C09D 11/40 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
40Ink-sets specially adapted for multi-colour inkjet printing
B41M 5/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
5Duplicating or marking methods; Sheet materials for use therein
Applicants
  • 富士フイルム株式会社 FUJIFILM CORPORATION [JP]/[JP]
Inventors
  • 白木 文也 SHIRAKI Fumiya
Agents
  • 中島 順子 NAKASHIMA Junko
  • 米倉 潤造 YONEKURA Junzo
  • 藤森 義真 FUJIMORI Yoshinao
  • 上出 真紀 KAMIDE Maki
Priority Data
2019-03967205.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD
(FR) COMPOSITION D'ENCRE, JEU D'ENCRES ET PROCÉDÉ DE FORMATION D'IMAGE
(JA) インク組成物、インクセット、及び画像形成方法
Abstract
(EN)
The present invention provides: an ink composition with which it is possible to suppress inter-colour bleeding and in which a reduction in storage stability is suppressed; an ink set containing said ink composition; and an image forming method using said ink composition. The ink composition contains: a resin-coated pigment in which at least part of the pigment is coated with a cross-linked resin; a betaine compound (1) represented by formula (1); and water. R1 represents a C6-20 alkyl group, R2 and R3 each independently represent a C1-3 chain hydrocarbon group, L1 represents a single bond or divalent linking group, L2 represents a divalent linking group, and A- represents an -SO3 - group or a -COO- group.
(FR)
La présente invention concerne : une composition d'encre à l'aide de laquelle il est possible de supprimer une bavure inter-couleur et dans laquelle une réduction de la stabilité au stockage est supprimée ; un jeu d'encres contenant ladite composition d'encre ; et un procédé de formation d'image faisant intervenir ladite composition d'encre. La composition d'encre contient : un pigment revêtu de résine dans lequel au moins une partie du pigment est revêtue d'une résine réticulée ; un composé de bétaïne (1) représenté par la formule (1) ; et de l'eau. R1 représente un groupe alkyle en C6-20, R2 et R3 représentent chacun indépendamment un groupe hydrocarbone à chaîne en C1-3, L1 représente une liaison simple ou un groupe de liaison divalent, L2 représente un groupe de liaison divalent, et A- représente un groupe -SO3 - ou un groupe -COO-.
(JA)
色間滲みを抑制でき、かつ、保存安定性の低下が抑制されたインク組成物、このインク組成物を含むインクセット、及び、上記インク組成物を用いた画像形成方法を提供する。インク組成物は、架橋された樹脂によって顔料の少なくとも一部が被覆されている樹脂被覆顔料と、下記式(1)で表されるベタイン化合物(1)と、水と、を含有する。Rは、炭素数6~20のアルキル基を表し、R及びRは、それぞれ独立に、炭素数1~3の鎖状炭化水素基を表し、Lは、単結合又は二価の連結基を表し、Lは、二価の連結基を表し、Aは、-SO基又は-COO基を表す。
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