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Patent Searching and Data


Title:
INKJET INK
Document Type and Number:
Japanese Patent JP2007186541
Kind Code:
A
Abstract:

To provide inkjet ink for plain paper, satisfying both of the prevention of curling and the prevention of strike through.

The inkjet ink comprises a pigment, a polymer, water and water-soluble organic solvents. In the inkjet ink, water content is ≥10 mass% and <50 mass% based on whole ink weight and SP value [(MPa)1/2] of the major water-soluble organic solvent among water-soluble organic solvents is ≥16.5 and <24.6 and the content of the water-soluble organic solvent having ≥16.5 and <24.6 SP value is ≥30 mass% based on total ink mass and Zn2+ ion is contained in an amount of 0.05-50 ppm based on whole ink.


Inventors:
MORI HISASHI
IIJIMA HIROTAKA
Application Number:
JP2006003406A
Publication Date:
July 26, 2007
Filing Date:
January 11, 2006
Export Citation:
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Assignee:
KONICA MINOLTA HOLDINGS INC
International Classes:
B41J2/01; B41M5/00; B41M5/50; B41M5/52; C09D11/00; C09D11/322