Process for the direct production of printing inks

Details Process for the direct production of printing inks Process for the direct production of printing inks

1987-04-09

1988-05-31

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106 23, 106308Q, C09D 1700

Patent

active

047478829

ABSTRACT:
A direct process for the production of a printing ink is carried out in a single vessel and consists essentially of the steps of (1) mixing a pigment slurry with a non-aqueous hydrophobic ink vehicle under agitation and with heating in a mixer equipped with concentrically arranged mixing elements and high-speed impeller blades to transfer the pigment from the aqueous phase to the non-aqueous phase, (2) removing the aqueous phase from the mixer, and (3) adding to the non-aqueous phase in the mixer additional ingredients to produce a press-ready printing ink. The finished ink can then be discharged, for example, through a port in the bottom of the mixer.

REFERENCES:
patent: 3705044 (1972-12-01), Pipkins
patent: 4001027 (1977-01-01), Lankes, Jr.
patent: 4300954 (1981-11-01), de Monterey et al.
patent: 4309223 (1982-01-01), Rouwhorst
patent: 4309320 (1982-01-01), Arora et al.
patent: 4427810 (1984-01-01), Chisvette et al.

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