Aqueous ink jet inks containing ester diol and amide diol cosolv

Details Aqueous ink jet inks containing ester diol and amide diol cosolv Aqueous ink jet inks containing ester diol and amide diol cosolv

1991-06-13

1992-11-03

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

C09D 1100

Patent

active

051603721

ABSTRACT:
An ink for ink jet printers which comprises an aqueous carrier medium, pigment dispersion or dye and an amide diol or ester diol cosolvent penetrant such as hydroxypivalyl hydroxypivalate. The cosolvent penetrant has a solubility in water of at least 4.5 parts in 100 parts of water at 25.degree. C.
The pigment dispersion consists of pigment particles and a dispersant, preferably a polymeric dispersant, having a hydrophilic segment and a segment that links to the pigment. These inks exhibit rapid drying, have excellent decap performance, are storage stable and give images having good print quality.

REFERENCES:
patent: 4024096 (1977-05-01), Wachtel
patent: 4365035 (1982-12-01), Zabiak
patent: 4508880 (1985-04-01), Webster
patent: 4597794 (1986-07-01), Ohta et al.

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