Aqueous ink jet inks containing polyol/alkylene oxide condensate

Details Aqueous ink jet inks containing polyol/alkylene oxide condensate Aqueous ink jet inks containing polyol/alkylene oxide condensate

1991-11-05

1993-01-19

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20D, 106499, 526190, C09D 1100, C08K 500

Patent

active

051804255

ABSTRACT:
An ink for ink jet printers which comprises an aqueous carrier medium, pigment dispersion or dye and a polyol/alkylene oxide condensate cosolvent which eliminates film formation on thermal ink jet resistor surfaces thereby eliminating non-uniformity in optical density. The cosolvent present at least 5% has a solubility in water of at least 4.5 parts in 100 parts of water at 25.degree. C. and a general formula: ##STR1## wherein X=--H or --CH.sub.3 ;

REFERENCES:
patent: 4280813 (1981-07-01), DeGoler
patent: 4431450 (1984-02-01), Hasegawa et al.
patent: 4508880 (1985-04-01), Webster
patent: 4923515 (1990-05-01), Koike et al.
patent: 4986850 (1991-01-01), Iwata et al.
patent: 5085698 (1992-02-01), Ma et al.
patent: 5190166 (1991-05-01), Schwartz

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