Microemulsion printing ink

Details Microemulsion printing ink Microemulsion printing ink

1994-03-29

1995-05-23

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 28R, 106 28A, 106 29R, C09D 1102

Patent

active

054177499

ABSTRACT:
A printing ink useful for "waterless" printing processes comprising a water-in-oil microemulsion wherein the water phase is present in an amount of about 5 to 20 wt. %, based on the weight of the ink. The water phase contains about 0.5 to 3 wt. %, based on the weight of the ink, of a surfactant which will not lower the surface tension (as measured at ambient temperature) of the ink, but will preferably increase the surface tension of the ink by at least about 5%. The ink optionally contains about 0.05 to 0.5 wt. %, based on the weight of the ink, of a water-soluble polymer capable of producing a viscosity in the water phase of about 5 to 10 poise as measured at ambient temperature.

REFERENCES:
patent: 2357927 (1944-09-01), Berg
patent: 4337161 (1982-06-01), Stayner
patent: 4981517 (1991-01-01), DeSanto et al.
patent: 5047084 (1991-09-01), Miller et al.
patent: 5226957 (1993-07-01), Wickramanayake et al.
patent: 5342440 (1994-08-01), Wickramanayake

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