Ink jet inks containing polyacrylamides

Details Ink jet inks containing polyacrylamides Ink jet inks containing polyacrylamides

1996-12-27

1998-01-27

Szekely, Peter A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524504, 524521, C08L 5300, C08L 5100, C08L 3326

Patent

active

057123381

ABSTRACT:
Ink jet ink compositions containing an aqueous carrier medium, an aqueous carrier medium insoluble colorant, a structured polymeric dispersant and a film-forming polyacrylamide polymer having a weight average molecular weight of 500-100,000 exhibit reduced film cracking, rapid drying, excellent image definition, are storage stable and have excellent decap properties and, when used in combination with a differently colored ink, result in reduced bleed in multi-colored printed elements.

REFERENCES:
patent: 4157995 (1979-06-01), Schenck et al.
patent: 4163738 (1979-08-01), Corwin
patent: 4425469 (1984-01-01), Emmons et al.
patent: 5085698 (1992-02-01), Ma et al.
patent: 5181045 (1993-01-01), Shields et al.
patent: 5428383 (1995-06-01), Shields et al.

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