Water-based publication gravure ink

Details Water-based publication gravure ink Water-based publication gravure ink

1996-04-10

1998-05-05

Jagannathan, Vasu

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524538, 524606, 524607, 524608, 260DIG38, 106 3113, C09D 1110

Patent

active

057475555

ABSTRACT:
A method of making a water-based publication gravure ink is provided wherein a polyamide resin or a mixture of the polyamide resin and a second resin is ground to produced a ground resin, and then the ground resin is mixed with water, a base, and a colorant. The resin/water/base/colorant mixture is then milled to produce a color dispersion, which is then mixed with an emulsion and water to produce a press-ready ink. Preferably, the water, the base and a dispersant are mixed first, and then combined with the colorant to produce a colorant slurry. The colorant slurry is then mixed with the ground resin, and milled to produce a slurry color dispersion. Also provided are water-based publication gravure inks made according to the methods outlined above, and a water-based publication gravure ink including water, a colorant, a mixture of a polyamide and a resin other than the polyamide resin, a base, and a dispersant.

REFERENCES:
patent: 4154618 (1979-05-01), Burke
patent: 4722963 (1988-02-01), Whyzmuzis
patent: 4820765 (1989-04-01), Whyzmuzis
Victor Strauss, The Printing Industry, pp. 26-27 (1967).

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