PROCESS FOR PREPARING CONCENTRATE OF PRINTING INKS

1. A process for the preparation of an ink concentrate which comprises (a) milling a crude metal phthalocyanine to reduce the particle size thereof, thereby forming a modified crude metal phthalocyanine and (b) kneading a mixture of the modified crude metal phthalocyanine together with an ink vehicl...

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Bibliographische Detailangaben
Hauptverfasser:	LANGLEY ROBERT, DYKES KENNETH GRANT, KERWIN PAUL DR, WALLS ARTHUR STARK
Format:	Patent
Sprache:	cze ; eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	1. A process for the preparation of an ink concentrate which comprises (a) milling a crude metal phthalocyanine to reduce the particle size thereof, thereby forming a modified crude metal phthalocyanine and (b) kneading a mixture of the modified crude metal phthalocyanine together with an ink vehicle comprising one or more ink solvents, the metal phthalocyanine being present in an amount of 20 to 80% by weight of the kneaded mixture, to give an ink concentrate containing the metal phthalocyanine in pigmentary form dispersed in the ink vehicle.