Waterfast ink for use in ink jet printing

Details Waterfast ink for use in ink jet printing Waterfast ink for use in ink jet printing

1979-03-09

1980-04-08

Foelak, Morton

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 106308N, C09D 1100

Patent

active

041971353

ABSTRACT:
Disclosed is an ink for use in ink jet printers, the ink containing a water soluble dye, and a polyamine containing 7 or more nitrogen atoms per molecule, with the ink composition having a pH of 8 or above, the upper pH limit being dye decomposition dependent. The ink has improved water-fastness over an equivalent ink formulation without the polyamine additive.

REFERENCES:
patent: 3891581 (1975-06-01), Argenio
"Preparation & Dying of Synthetic Fibers", H. U. Schmidlin (1963), Chapman & Hall, Ltd., London pp. 200 and 201.
"The Chemical Technology of a Dyeing & Printing", Dr. Louis Diserens, vol. 11 (1951), Rheinhold Publ. Corp. N. Y. pp. 46, 48, 65, 66, 68, 71, 101, 103 and 108.

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