Compositions: coating or plastic – Coating or plastic compositions – Marking
Patent
1997-12-09
1999-05-18
Klemanski, Helene
Compositions: coating or plastic
Coating or plastic compositions
Marking
106 316, C09D11/02
Patent
active
059047593
ABSTRACT:
A process for preparing a stencil printing emulsion ink which is a water-in-oil (W/O) emulsion having an oil phase and a water phase and containing a water-insoluble colorant in the water phase, is provided. The process comprises the steps of preparing an aqueous dispersion of said water-insoluble colorant separately from water or an aqueous solution of the remaining water phase components, and adding said aqueous dispersion and water or said aqueous solution separately to said oil phase for emulsification. The process is suitable to produce emulsion inks of various colors, particularly of mixed colors containing two or more colorants in the water phase with a fixed formulation of the oil phase.
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Hayashi Yoshihiro
Ishikawa Masato
Okuda Sadanao
Suzuki Takashi
Klemanski Helene
Riso Kagaku Corporation
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