Duplicating inks for digital duplicators

Details Duplicating inks for digital duplicators Duplicating inks for digital duplicators

C - Chemistry, Metallurgy

09

D

C09D 11/02 (2006.01) B01J 13/00 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2221413

The present invention provides a water-in-oil emulsion ink comprising an oil phase and a water phase, the oil phase comprising an encapsulated colorant, an oil phase oil, a surface active agent, and a film-forming component, and the water phase comprising water. The present invention also provides an encapsulated colorant comprising a colorant having a particle size of from about 0.01 microns to about 25 microns, a binder resin, a saturated oil, a viscosity adjusting agent, and an adhesion promoter. The present invention also provides an improved process of digital duplicating wherein the improvement comprises using the emulsion ink of the present invention.

Cette invention a trait à une encre en émulsion - eau dans l'huile, comprenant une phase huileuse et une phase aqueuse, la phase huileuse comportant un colorant encapsulé, une huile pour phase huileuse, un tensioactif ainsi qu'un composant filmogène, la phase aqueuse étant constituée d'eau. Cette invention porte également sur un colorant encapsulé comportant un colorant d'une dimension particulaire comprise entre 0,01 et 25 microns environ, une résine liante, une huile saturée, un agent d'ajustement de viscosité et un accélérateur d'adhésion. Elle traite, en outre, d'un procédé amélioré de duplication numérique, l'amélioration consistant dans l'emploi de l'encre en émulsion de l'invention.

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