The improvement method of the preservation stability of an ink constituent

Title:

The improvement method of the preservation stability of an ink constituent

Document Type and Number:

Japanese Patent JP6166684

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a method for improving storage stability of an ink composition, which keeps physical properties of the composition such as viscosity and surface tension unchanged even when stored for a long period.SOLUTION: Provided is a method for improving storage stability of an ink composition, wherein a urethane resin is further included in the ink composition used in inkjet printing, the ink comprising a pigment, water, a polymeric dispersant, a water-soluble organic solvent, and a nonionic surfactant.

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Inventors:

Hiroko Higuchi
Motohiro Seki

Application Number:

JP2014072573A

Publication Date:

July 19, 2017

Filing Date:

March 31, 2014

Export Citation:

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Assignee:

NIPPON KAYAKU KABUSHIKI KAISHA

International Classes:

C09D11/326; B41J2/01; B41M5/00; C08F297/00

Domestic Patent References:

JP2013199603A
JP2013194150A
JP2015067667A
JP2015063582A

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