Title:
PIGMENT DISPERSION AND INKJET INK
Document Type and Number:
WIPO Patent Application WO/2018/021119
Kind Code:
A1
Abstract:
Provided are: a pigment dispersion containing a pigment, a polymer dispersant, and water; and an inkjet ink containing the pigment dispersion. The pigment contains a compound represented by general formula (2) described in the specification, a tautomer thereof, or a salt of the compound or tautomer. The polymer dispersant contains a polymer compound which has a repeating unit represented by general formula (2-1) described in the specification and a repeating unit represented by general formula (2-2), and in which at least one end of the main chain thereof has a structure represented by general formula (3) below. In general formula (3), L represents a linking group, R4 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and * represents a bond.
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Inventors:
HAYASHI SHINYA (JP)
NAGATA YOSHIAKI (JP)
OMURA KAZUFUMI (JP)
FURUKAWA KAZUSHI (JP)
TATEISHI KEIICHI (JP)
NAGATA YOSHIAKI (JP)
OMURA KAZUFUMI (JP)
FURUKAWA KAZUSHI (JP)
TATEISHI KEIICHI (JP)
Application Number:
PCT/JP2017/026146
Publication Date:
February 01, 2018
Filing Date:
July 19, 2017
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C09D17/00; B41J2/01; B41M5/00; C09B67/20; C09B67/46; C09D11/322; C09D11/326; C09B43/16
Domestic Patent References:
WO2013018680A1 | 2013-02-07 | |||
WO2009110557A1 | 2009-09-11 |
Foreign References:
JP2010077400A | 2010-04-08 | |||
JP2015520013A | 2015-07-16 | |||
JP2011074376A | 2011-04-14 | |||
JP2012097167A | 2012-05-24 | |||
JP2011057732A | 2011-03-24 | |||
JP2016160331A | 2016-09-05 |
Other References:
See also references of EP 3492539A4
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. et al. (JP)
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