Micellar-based ink compositions

Details Micellar-based ink compositions Micellar-based ink compositions

1994-08-29

1996-01-16

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22A, 106 22C, 106 23A, 106 23C, C09D 1102, C09D 1112

Patent

active

054844754

ABSTRACT:
Disclosed is an ink composition consisting essentially of water, a colorant, an organic component miscible with water, and micelles which comprise an ethoxylated alcohol. Also disclosed is a process for preparing an aqueous ink composition which comprises (a) admixing an ethoxylated alcohol with a water-miscible organic liquid at a temperature at or above the melting point of the ethoxylated alcohol to prepare a saturated solution of the ethoxylated alcohol in the organic liquid; (b) cooling the solution thus formed, thereby obtaining a solid solution with a melting point of from about 30.degree. to about 80.degree. C.; (c) admixing the saturated solution thus prepared with a mixture containing water and a water soluble dye at a temperature equal to or higher than the melting point of the ethoxylated alcohol solution, thereby resulting in an ink composition containing micelles which comprise the ethoxylated alcohol. Further disclosed is an ink jet printing process which comprises incorporating into an ink jet printing apparatus an ink composition which comprises water, a colorant, an organic component miscible with water, and micelles which comprise an ethoxylated alcohol, and causing droplets of the ink composition to be ejected in an imagewise pattern onto a substrate.

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