Compositions and methods for imparting improved rheology on pigment based inks and paints

Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one cationic dye are provided. The compositions impart improved rheology on non-aqueous pigment based printing ink...

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Bibliographische Detailangaben
1. Verfasser:	COUGHLIN STEPHEN JOHN,FRASER IAIN FRANK,HEALY THOMAS,NIVEN STUART COOK
Format:	Patent
Sprache:	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:	Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one cationic dye are provided. The compositions impart improved rheology on non-aqueous pigment based printing inks and paints.