Title:
AQUEOUS PIGMENT INK COMPOSITION FOR INKJET PRINTING, IMAGE FORMING METHOD, FORMED IMAGE, INK SET AND INKJET PRINTER
Document Type and Number:
WIPO Patent Application WO/2016/132858
Kind Code:
A1
Abstract:
An aqueous pigment ink composition for inkjet printing, which contains a pigment, a dispersant, an emulsion resin, water and an aqueous organic solvent, and which is characterized in that: the emulsion resin has an average particle diameter of 70 nm or less, said average particle diameter being less than the average particle diameter of the pigment; the content of the emulsion resin is equal to or more than the content of the pigment and is from 2% by mass to 10% by mass (inclusive) relative to the total mass of the aqueous pigment ink composition for inkjet printing; and the aqueous organic solvent contains 3-methoxy-3-methylbutanol and a pyrrolidone-based solvent respectively in amounts within the range of from 2% by mass to 18% by mass (inclusive) relative to the total mass of the aqueous pigment ink composition for inkjet printing.
Inventors:
YOSHIZAKA KOSEI (JP)
HITA TOMOYUKI (JP)
TAKAHASHI YUICHI (JP)
HOSAKA AI (JP)
IWATA YASUHISA (JP)
HITA TOMOYUKI (JP)
TAKAHASHI YUICHI (JP)
HOSAKA AI (JP)
IWATA YASUHISA (JP)
Application Number:
PCT/JP2016/052613
Publication Date:
August 25, 2016
Filing Date:
January 29, 2016
Export Citation:
Assignee:
MUTOH IND LTD (JP)
International Classes:
C09D11/322; B41J2/01; B41M5/00; C09D11/40
Domestic Patent References:
| WO2011040517A1 | 2011-04-07 |
Foreign References:
| JP2014167084A | 2014-09-11 | |||
| JP2007177160A | 2007-07-12 | |||
| JP2011046946A | 2011-03-10 | |||
| JP2008285605A | 2008-11-27 | |||
| JP2002371211A | 2002-12-26 |
Attorney, Agent or Firm:
KISARAGI ASSOCIATES (JP)
きさらぎ international patent business corporation (JP)
きさらぎ international patent business corporation (JP)
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