Title:
INK COMPOSITION, INK SET, IMAGE RECORDING METHOD, AND INK COMPOSITION PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/135089
Kind Code:
A1
Abstract:
An ink composition that includes microcapsules, a colorant, and water. The microcapsules have a shell and a core. The shell has a three-dimensional cross-linked structure that includes urethane linkages and/or urea linkages. The core is encapsulated by the shell. The colorant is selected from colorants that have an ionic group and colorants that are coated with a dispersant that has an ionic group on at least one portion of the surface thereof. The content ratio of an acid-group-containing compound that has at least one acidic group, an acid dissociation constant of 5 or lower, and a molecular weight of 2000 or lower is 0.5 mass% or lower with respect to the total mass of the ink composition. An ink set, an ink composition production method, and an image recording method.
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Inventors:
KOYAMA ICHIRO (JP)
SATO NORIAKI (JP)
SUZUKI SHOTA (JP)
UMEBAYASHI TSUTOMU (JP)
SATO NORIAKI (JP)
SUZUKI SHOTA (JP)
UMEBAYASHI TSUTOMU (JP)
Application Number:
PCT/JP2017/002176
Publication Date:
August 10, 2017
Filing Date:
January 23, 2017
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C09D11/38; B41J2/01; B41M5/00; C09D11/54
Domestic Patent References:
| WO2010143518A1 | 2010-12-16 |
Foreign References:
| JP2006089577A | 2006-04-06 | |||
| JP2000256594A | 2000-09-19 | |||
| JP2012025947A | 2012-02-09 | |||
| JP2012092224A | 2012-05-17 | |||
| JP2010227732A | 2010-10-14 | |||
| JP2004075759A | 2004-03-11 | |||
| JP2015193230A | 2015-11-05 | |||
| JPH0860063A | 1996-03-05 | |||
| JPH04249517A | 1992-09-04 | |||
| JP2014507433A | 2014-03-27 |
Other References:
See also references of EP 3412739A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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