Lithographic ink

Details Lithographic ink Lithographic ink

C - Chemistry, Metallurgy

09

D

400/4050

C09D 11/02 (2006.01)

Patent

CA 1037184

Abstract of The Disclosure A novel ink formulation useful in lithographic printing processes which eliminates the necessity to dampen the litho- graphic master between printing cycles. The novel ink formula- tion of this invention is a stable emulsion comprising an oleophilic phase and a hydrophilic phase, comprising one or more polyhydric alcohols, a surfactant and polystyrene sulfonate. The specific polymeric surfactants are: polyoxyethylene alcohols polyoxyethylene esters, polymeric condensation products of ethylene oxide - propylene oxide, the reaction product of ethylene oxide and propylene oxide with ethylene diamine, and polyvinyl pyrrolidone.

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