Printing ink compositions

Details Printing ink compositions Printing ink compositions

C - Chemistry, Metallurgy

09

D

6/26, 400/7028

C09D 11/02 (2006.01)

Patent

CA 1142708

-25- ABSTRACT Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant comprising the reaction product of a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of clay and a material selected from the group consisting of methyl trialkyl quaternary compound, benzyl trialkyl quaternary compound, and mixtures thereof, said quaternary being ammonium or phosphonium and wherein the alkyl groups contain 14 to 22 carbon atoms and the amount of said ammonium compound reacted with said clay being from 100 to 130 milliequivalents per 100 grams of clay based upon 100% active clay. V42Bl-25 11/11/80

366904

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