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

C - Chemistry, Metallurgy

09

D

31/153, 6/26

C09D 11/02 (2006.01) C09D 11/00 (2006.01)

Patent

CA 1097854

A WATERFAST INK FOR USE IN INK JET PRINTING Abstract of the Disclosure An ink for use in ink jet printers is provided. The ink contains a water soluble dye, a polyamine containing 6 or fewer nitrogen atoms per molecule, with the ink composi- tion having a pH of 8 or below. The ink has improved water- fastness over an equivalent ink formulation without the polyamine additive.

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