Hot melt impulse ink jet ink with dispersed solid pigment in a h

Data processing: artificial intelligence – Neural network – Structure

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106 20R, 106 20D, 106 31R, 347 88, C09D 1102, C09D 1112

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active

053504461

ABSTRACT:
A novel hot melt ink jet ink is disclosed for use in an impulse ink jet apparatus. The disclosed ink comprises a dispersed solid pigment which is formulated in a wax, or high molecular weight fatty acid or alcohol vehicle to form a hot melt ink which is solid at room temperature. The provision of such a pigment containing ink provides a high quality ink which is stable for long periods of time at relatively high temperatures. In the preferred embodiments, a dispersed graphite in a non-evaporative oil carrier, such as mineral oil, is formulated with candelilla wax, stearic acid and/or behenic acid.

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