Emulsion ink for stencil printing
AssigneeRiso Kagaku Corporation
InventorsSadanao Okuda, Yoshihiro Hayashi
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Abstract
An emulsion ink for stencil printing is provided, which affords a printed image having a high density and a constant quality, without being influenced by kinds of printing paper used, and by the presence or absence of projections and depressions on the surface of printing paper used, has a superior drying property of ink and does not cause any exudation, seeping-through and offsetting, which emulsion ink for stencil printing comprises an oil phase and an aqueous phase to form a Water-in-oil(W/O) type emulsion ink, wherein a extender pigment is contained in the oil phase of the emulsion ink.
Claims10
A water-in-oil emulsion ink for stencil printing, which comprises an oil phase and an aqueous phase, wherein an extender pigment, a coloring agent, a resin, a non-volatile solvent, a mineral oil solvent or a plant oil solvent and an emulsifying agent are contained in the oil phase of the emulsion ink.
A water-in-oil emulsion ink for stencil printing which comprises an oil phase and an aqueous phase, an extender pigment, a resin, a non-volatile solvent, a mineral oil solvent or a plant oil solvent and an emulsifying agent contained in the oil phase, and a coloring agent and an oil-in-water resin emulsion, a water-soluble polymer or mixtures thereof contained in the aqueous phase.
Dependencies are inferred from the claim text.