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Title:
水性顔料分散物、及び、水性インク組成物
Document Type and Number:
Japanese Patent JP6704461
Kind Code:
B2
Abstract:
Provided are an aqueous pigment dispersion including: water; a water-soluble organic solvent; a pigment; a polymer dispersant including 20 mass% to 60 mass% of a constitutional unit a-1 represented by Formula 1 with respect to the total mass of the polymer dispersant, 10 mass% to 40 mass% of a constitutional unit a-2 represented by Formula 2 with respect to the total mass of the polymer dispersant, and a constitutional unit a-3 having an acidic group; and an amine compound represented by Formula 3, and an aqueous ink composition using the aqueous pigment dispersion.

Inventors:
Koyanagi Masashi
Wataru Kikuchi
Naoko Nishimura
Application Number:
JP2018541981A
Publication Date:
June 03, 2020
Filing Date:
August 18, 2017
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
C09D17/00; B41J2/01; B41M5/00; C09B29/33; C09B47/04; C09B48/00; C09B67/20; C09B67/46; C09D11/326
Domestic Patent References:
JP2014080588A
JP2014118553A
JP2015193729A
JP2012188582A
JP2012528229A
JP2000265083A
JP2009504884A
JP2004035872A
JP2005272790A
JP2016069487A
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office