Emulsion ink for stencil printing

Details Emulsion ink for stencil printing Emulsion ink for stencil printing

1997-02-25

1998-06-02

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3165, C09D 1102

Patent

active

057592454

ABSTRACT:
An water-in-oil (W/O) emulsion ink for stencil printing is provided, which is excellent in emulsion stability. The water-in-oil (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 water-insoluble colorant comprises an insoluble azo pigment. The insoluble azo pigment contained in the water phase preferably has an average particle size of 1 .mu.m or less. The emulsion ink is preferably formed by use of an emulsifier having an HLB of 1.5-6.0, and the water phase preferably has a maximum particle diameter of 10 .mu.m or less.

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: 5574578 (1996-11-01), Okuda
patent: 5575839 (1996-11-01), Okuda
patent: 5609670 (1997-03-01), Okuda et al.

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