Ink-jet ink compositions containing modified macromolecular chro

Details Ink-jet ink compositions containing modified macromolecular chro Ink-jet ink compositions containing modified macromolecular chro

1998-07-31

2000-11-21

Jagannathan, Vasu

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523161, 106 316, C09D 1102, C09D 1110

Patent

active

061504335

ABSTRACT:
The present invention relates to ink-jet ink compositions that comprise modified pigment particles (macromolecular chromophores) having functional groups covalently attached for water solubility and polymer chains covalently attached to the pigments. These pigmented inks have enhanced smearfastness, enhanced print quality, improved bleed control, and improved resistance to water when applied to the media. Moreover, these inks have good viscosity and surface tension. These inks are useful in ink-jet printing, including thermal ink jet printing, piezoelectric ink jet printing, and continuous ink jet printing.

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