Stabilized emulsion inks

Details Stabilized emulsion inks Stabilized emulsion inks

1976-05-28

1977-11-22

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296NR, 260 296RW, C08L 2508

Patent

active

040595544

ABSTRACT:
Stabilized alcohol or water in oil ink emulsions are provided comprising: a pigment, from 20 to 40% by weight resin of a block or graft copolymer having one type of polar segment miscible with water and alkyl alcohols of from 2 to 6 carbon atoms, and another type of non-polar segment which can be absorbed on the pigment and is miscible with the non-polar components of the ink, said copolymer having a number average molecular weight of from 20,000 to 40,000; and a vehicle for said resin and pigment comprising polar and non-polar solvents.

REFERENCES:
patent: 3266914 (1966-08-01), Varron
patent: 3393162 (1968-07-01), Cox et al.
patent: 3546321 (1970-12-01), Jabloner et al.
patent: 3615750 (1971-10-01), Blair
patent: 3948866 (1976-04-01), Pennewiss et al.
patent: 3993493 (1976-11-01), McLaren et al.

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