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US 7,744,205 B2Granted
Solvent/latex binder system for heated inkjet printing
AssigneeHewlett-Packard Development Company, L.P.
InventorsGeorge M. Sarkisian, Phillip C. Cagle
Life of this patent
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Abstract
An inkjet ink system includes an anionic jettable ink, and a cationic fixer fluid, wherein the anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder, between 0.3 and 10% latex binder, between 1 and 6% colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water.
Claims7
An inkjet ink system, comprising:
- an anionic jettable ink;
- and
- a cationic fixer fluid;
- in which said anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder having an acid number below 250, between 0.3 and 10% latex binder having a plurality of particles with a mean particle size between approximately 100 and 300 nm and a glass transition temperature between −20 and +100° C., between 1 and 6% anionic colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water;
- in which said cationic fixer fluid includes a crashing agent and a vehicle, and
- in which said plurality of latex binder particles include surface acid groups.
3 more elements
A method of printing an inkjet image in a heated environment, comprising:
- selectively inkjetting an anionic inkjet ink at a desired substrate;
- and
- fixing said anionic inkjet ink on said desired substrate with a cationic fixer fluid;
- in which said anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder having an acid number below 250, between 0.3 and 10% latex binder having a plurality of particles with a mean particle size between approximately 100 and 300 nm and a glass transition temperature between −20 and +100° C., between 1 and 6% anionic colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water, and
- in which said plurality of latex binder particles include surface acid groups.
2 more elements
Dependencies are inferred from the claim text.