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Title:
AQUEOUS INK CONTAINING COLORED FINE PARTICLE FOR INK JET, INK SET AND INK-JET IMAGE-FORMING METHOD
Document Type and Number:
Japanese Patent JP2003238869
Kind Code:
A
Abstract:

To provide an aqueous ink containing a colored fine particle which ink does not have problems in dispersion stability and discharge stability and gives ink-jet images which are excellent in graininess, gloss and light resistance.

This aqueous ink containing a colored fine particle for ink jet contains at least one colored fine particle selected from the group consisting of a pigment that can coordinate metal ions at not less than two coordination positions, a colored fine particle comprising a resin containing a ligand that can coordinate metal ions at not less than two coordination positions and a metal ion, and a colored fine particle obtained by covering a resin containing the pigment, the ligand and the metal ion with a resin. The ligand is at least one of a compound expressed by formula (I) or (II) and a polymer comprising a monomer expressed by formula (III).


Inventors:
ASATAKE ATSUSHI
NAKAMURA MASAKI
NINOMIYA HIDETAKA
Application Number:
JP2002046112A
Publication Date:
August 27, 2003
Filing Date:
February 22, 2002
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
B41J2/01; B41M5/00; C09D11/00; C09D11/322; C09D11/40; (IPC1-7): C09D11/00; B41J2/01; B41M5/00