Process for preparing stable pigmented curable solid inks

Details Process for preparing stable pigmented curable solid inks Process for preparing stable pigmented curable solid inks

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01) C08J 3/20 (2006.01)

Patent

CA 2730808

A process for preparing a radiation curable solid ink composition wherein a solid pigment and dispersant are added to a molten solid monomer including (a) heating a monomer that is solid at room temperature to a temperature above the monomer melting point to provide a molten solid monomer; (b) adding a curable component, a non-curable component, and a photoinitiator to the molten solid monomer to provide a molten ink base; (c) adding a dispersant to the molten ink base; and (d) a adding a pigment to the molten ink base with stirring to provide a curable pigmented ink composition. Included is a process for preparing a radiation curable solid ink composition wherein a liquid pigment concentrate or a solid pigment concentrate is added to an ink base.

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