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Patent Searching and Data


Title:
INKJET INK AND INKJET RECORDING METHOD
Document Type and Number:
Japanese Patent JP2012097129
Kind Code:
A
Abstract:

To provide aqueous inkjet ink that has small variation in viscosity and particle size even when stored over a long period of time and good discharge stability after long-term storage and that forms images excellent in weatherability, and an inkjet recording method using the same.

The inkjet ink contains an organic pigment, a water-soluble organic solvent, water, and a polymeric dispersant, wherein the polymeric dispersant is a block copolymer having difference between an amine value and an acid value of more than 0, and the organic pigment is a compound (A), a tautomeric structure thereof, or a hydrate thereof.


Inventors:
TAKAHISA YUSUKE
KANEKO MANABU
Application Number:
JP2010243233A
Publication Date:
May 24, 2012
Filing Date:
October 29, 2010
Export Citation:
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Assignee:
KONICA MINOLTA IJ TECHNOLOGIES
International Classes:
B41J2/01; B41M5/00; C09B45/22; C09B67/20; C09D11/00; C09D11/328