Lithographic ink

Details Lithographic ink Lithographic ink

C - Chemistry, Metallurgy

08

F

C08F 12/08 (2006.01) C08F 8/14 (2006.01) C08F 22/06 (2006.01) C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2177411

A lithographic printing ink contains an ester-modified carboxyl-containing copolymer as a pigment dispersant. The ester-modified carboxyl-containing copolymer is the reaction product of a long chain alcohol and a styrene maleic anhydride copolymer, wherein at least 35% of the carboxyl groups of the styrene maleic anhydride copolymer are esterified. The ink further includes a solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, and mixtures thereof; a modifying oil; a liquid carrier resin; and a pigment.

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