Polymerizable ink composition

Compositions: coating or plastic – Coating or plastic compositions – Marking

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106 31165, 106 3185, 106 3189, 522 75, 522 81, 522 83, 522 84, 523160, 430138, 4284022, 42840221, 42840222, 428407, C09D 1100, C09D 1102, C09D 1108, C08F 248

Patent

active

061267317

ABSTRACT:
The present invention provides a polymerizable printing ink. The ink includes a polar suspending medium in which a plurality of polymer microspheres are suspended. At least one surfactant is dissolved in the suspending medium, and a monomer is positioned in the ink such that polymerization of the monomer after the application of the ink to a substrate will hold the microspheres in fixed relations to one another. The microspheres have a chemically associated coloring agent to provide the ink with color. The ink may include a polymerization initiator, such as a photoinitiator, to cause the film to polymerize upon the application of a form of energy, such as ultraviolet light. The invention also provides methods for making and using the ink, and for adding a coloring agent to a plurality of polymer microspheres.

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