Title:
AQUEOUS INK
Document Type and Number:
Japanese Patent JP2004277450
Kind Code:
A
Abstract:
To provide an aqueous ink hardly causing ink bleeding or uneven density and exhibiting excellent fixing properties without discrimination on a plain paper or a glossy medium and, particularly, excellent in gloss properties on the glossy medium.
The aqueous ink comprises at least a coloring component, a resin fine particle, a humectant, a penetrating agent and water, where the coloring component comprises a dispersion obtained by dispersing a pigment with a water-soluble dispersing polymer bearing an anionic group and a part or the whole of the component constituting the resin fine particle comprises a natural resin and/or a natural resin derivative.
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Inventors:
OTA HITOSHI
Application Number:
JP2003066758A
Publication Date:
October 07, 2004
Filing Date:
March 12, 2003
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/01; B41M5/00; C09D11/00; C09D11/322; C09D11/326; C09D11/328; C09D11/38; (IPC1-7): C09D11/00; B41J2/01; B41M5/00
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa
Fujitsuna Hideyoshi
Osamu Suzawa
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