Low-foaming water-based printing ink composition

Details Low-foaming water-based printing ink composition Low-foaming water-based printing ink composition

1994-10-25

1996-01-23

Sweet, Mark

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524493, 524556, 524561, 524588, 252521, 252358, 106 26R, 106 25A, 106 23K, 106 30R, C09D 500, C08K 336

Patent

active

054865492

ABSTRACT:
Disclosed is a water-based printing ink composition exhibiting excellently low foaming behavior with sustainability even under adverse conditions of high temperature and intense shearing force encountered in the printing works. The printing ink composition comprises, besides an organic polymer as the binder resin in the form of an aqueous solution or emulsion and a coloring agent, e.g., dyes and pigments, a silicone-based defoaming composition comprising a polyoxyalkylene-modified polydiorganosiloxane, polydimethylsiloxane, finely divided silica filler and organopolysiloxane resin mainly or solely consisting of monofunctional organosiloxane units and tetrafunctional siloxane units each in a specified weight proportion.

REFERENCES:
patent: 3784479 (1974-01-01), Keil
patent: 4042528 (1977-08-01), Abe
patent: 4504410 (1985-03-01), Hempel et al.
patent: 5106535 (1992-04-01), Mutoh et al.
patent: 5244599 (1993-09-01), Terae et al.
patent: 5376301 (1994-12-01), Fleuren et al.
patent: 5380464 (1995-01-01), McGee et al.

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