Water-fast ink composition and method for making the same

Details Water-fast ink composition and method for making the same Water-fast ink composition and method for making the same

1991-07-31

1993-10-05

Michl, Paul R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20D, 106 21D, 106 22R, 8673, 534661, 534836, C09D 1102, C09B 4538, C09B 3102, C07C24500

Patent

active

052501078

ABSTRACT:
A water-fast ink composition and method for making the same. A selected chemical dye having at least one functional group with an extractable hydrogen atom thereon (e.g. --COOH, --NH.sub.2, or --OH) is combined with an ammonium zirconium polymer salt (e.g. ammonium zirconium carbonate, ammonium zirconium acetate, ammonium zirconium sulfate, ammonium zirconium phosphate, and ammonium zirconium oxalate). The resulting mixture preferably contains about 0.01-5.0% by weight ammonium zirconium polymer salt and about 0.5-5.0% by weight chemical dye. Upon dehydration of the mixture, the ammonium zirconium polymer salt and chemical dye form a cross-linked dye complex which is stable and water-fast. The mixture may be dispensed onto a variety of substrates (e.g. paper) using thermal inkjet or other printing systems.

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Information Sheet from Hopton Technologies, Inc.
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The Color Index, vol. 4, 3rd ed., published by The Society of Dyers and Colourists, Yorkshire, England, pp. 4336, 4340, 4341 (1971).

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