Emulsion ink for stencil printing

Details Emulsion ink for stencil printing Emulsion ink for stencil printing

1997-01-15

1998-02-17

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 316, C09D 1102

Patent

active

057187487

ABSTRACT:
An water-in-oil (W/O) emulsion ink for stencil printing is provided, which is excellent in emulsion stability and drying, high in printing density and low in blurring and seep through. The W/O emulsion ink has an oil phase and a water phase, in which a water-insoluble colorant is contained in said water phase, and said oil phase comprises a solvent and an agent for thickening said solvent. The oil phase preferably has a viscosity at 23.degree. C. of 5-20,000 cps, more preferably 15-2,000 cps. The thickening agent may be a resin in an amount of 1-30%, preferably 2-25% by weight of the total of the ink, or may be oil-insoluble particulates or powders in an amount of 0.01-10%, preferably 0.1-5% by weight of the total of the ink.

REFERENCES:
patent: 2839412 (1958-06-01), Igler et al.
patent: 3823020 (1974-07-01), Gilson et al.
patent: 5389130 (1995-02-01), Batlaw et al.
patent: 5395435 (1995-03-01), Mizobuchi
patent: 5573578 (1996-11-01), Okuda
patent: 5575839 (1996-11-01), Okuda
patent: 5637137 (1997-06-01), Okuda

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