Pigment ink for ink jet recording

Details Pigment ink for ink jet recording Pigment ink for ink jet recording

2011-01-04

2011-01-04

Wu, David (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S556000, C347S100000, C106S031600

Reexamination Certificate

active

07863351

ABSTRACT:
A pigment ink for ink jet recording containing a pigment, water, a graft copolymer and a water-soluble organic solvent, in which a hydrophobic segment constituting the graft copolymer is obtained by copolymerizing a monomer represented by the following formula (1), having an aromatic ring or the like and a monomer having an anionic functional group, and a hydrophilic segment constituting the graft copolymer is obtained by polymerizing a monomer having an anionic functional group:wherein Ar represents an aromatic ring selected from a benzene ring, a condensed benzene ring and a heteroaromatic ring, or a derivative thereof.

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