Process for improving dried film resistivity of carbon...

Details Process for improving dried film resistivity of carbon... Process for improving dried film resistivity of carbon...

C - Chemistry, Metallurgy

09

D

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

Patent

CA 2175724

An ink jet ink composition comprises a liquid vehicle, a pigment, a pH adjusting component, and a chemical with a plurality of electron donating groups. The chemical with a plurality of electron donating groups comprises a chemical with at least three electron donating groups, wherein the at least three electron donating groups are situated in close proximity to provide high dried film resistivity. With the present invention, significant improvement in dried film resistivity of carbon pigment ink jet inks is achieved, sufficient to eliminate charge lead to charge lead shorts and improve machine runnability and can, therefore, be used in ink jet printers.

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