Emulsion ink for stencil printing

Details Emulsion ink for stencil printing Emulsion ink for stencil printing

1996-12-05

1998-04-14

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3165, 106 319, C09D 1102

Patent

active

057387150

ABSTRACT:
A water-in-oil (W/O) emulsion ink for stencil printing, high in printing density, low in seep through and blurring and excellent in temperature stability, is provided, which contains carbon black as a water-insoluble colorant in the water phase, in which said carbon black has a pH value of 6 to 10. The carbon black is preferably 10 .mu.m or less in average particle diameter. The water phase may contain an oil-in-water (O/W) emulsion of resin and/or a water-soluble resin to improve dispersion of carbon black in water and its fixation to prints. The oil phase may be free from any resinous component.

REFERENCES:
patent: 5389130 (1995-02-01), Batlaw et al.
patent: 5395435 (1995-03-01), Mizobuchi et al.
patent: 5429841 (1995-07-01), Batlaw et al.
patent: 5573578 (1996-11-01), Okuda
patent: 5575839 (1996-11-01), Okuda
patent: 5609670 (1997-03-01), Okuda et al.

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