Methods for production of organic pigments for printing inks
This invention relates to the production of an organic pigment dispersion by dispersing dried soft-textured organic pigment in a dispersion vehicle. A process for the preparation of an organic pigment dispersion is disclosed and consists of dispersing a dried soft-textured organic pigment in a dispe...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This invention relates to the production of an organic pigment dispersion by dispersing dried soft-textured organic pigment in a dispersion vehicle.
A process for the preparation of an organic pigment dispersion is disclosed and consists of dispersing a dried soft-textured organic pigment in a dispersion vehicle, wherein the dispersion vehicle contains an ink varnish and alkyd and the dispersion is carried out in a tank equipped with a sweep and a high speed dispersion blade. |
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