LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITION

Herein is described a liquid electrophotographic (LEP) ink composition comprising: a hydrocarbon carrier liquid; a resin; a colorant comprising a conjugated compound; and a component selected from: an amine-containing basic dispersant having a total base number greater than about 300 mgKOH/g materia...

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Bibliographische Detailangaben
Hauptverfasser:	BAR-HAIM, Gil, DAYAN, Benjamin, ROSENTHAL, Tal, KORNILOV, Julia, LITWAK, Ariel
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY FILLING PASTES HOLOGRAPHY INKS MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Herein is described a liquid electrophotographic (LEP) ink composition comprising: a hydrocarbon carrier liquid; a resin; a colorant comprising a conjugated compound; and a component selected from: an amine-containing basic dispersant having a total base number greater than about 300 mgKOH/g material; or an amine-containing compound having a pKa of 8 or more at 25°C; or urea. L'invention concerne une composition d'encre électrophotographique liquide (LEP) comprenant : un liquide transporteur hydrocarboné ; une résine ; un colorant comprenant un composé conjugué ; et un constituant choisi parmi : un dispersant basique contenant une amine ayant un indice de base total supérieur à environ 300 mg de KOH/g de matériau ; ou un composé contenant une amine ayant un pKa supérieur ou égal à 8 à 25 °C ; ou de l'urée.