WATER-BASED INK FOR INK-JET RECORDING

Title:

WATER-BASED INK FOR INK-JET RECORDING

Document Type and Number:

Japanese Patent JP2007063463

Kind Code:

A

Abstract:

To provide an aqueous dispersion for ink-jet recording having excellent ejection performance while keeping satisfactory printing density and marker resistance in the case of printing on a plain paper and provide a water-based ink.

The aqueous dispersion for ink-jet recording comprises (A) a self-dispersing pigment having a salt-forming group and (B) polymer particles having a unit derived from (a) a monomer having a salt-forming group and a unit derived from (b) a silicone macromer wherein the polymer particle B has a salt-forming group same as that of the self-dispersing pigment A. The invention further provides a water-based ink containing the aqueous dispersion.

Inventors:

ITO KOJI

Application Number:

JP2005253425A

Publication Date:

March 15, 2007

Filing Date:

September 01, 2005

Export Citation:

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