SELF-DISPERSING PIGMENT AND PROCESS OF MAKING AND USE OF SAME

A process is provided in which a pigment is oxidated with ozone in an aqueous environment in which the mixture of ozone, water and pigment is subjected to a dispersive mixing operation; and/or the pH of the mixture is maintained in a range of 6-8, whereby the pigment is self-dispersing and preferabl...

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Bibliographische Detailangaben
Hauptverfasser:	EISEMAN, MICHAEL, J, HELD, ROBERT, PAUL, PATEL, DHIREN, V, RAY, YIAING, SPINELLI, HARRY, JOSEPH, WITMAN, SANDRA, L, YEH, AN-GONG, HOHMAN, JAMES, L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY COLOUR PRINTING CORRECTION OF TYPOGRAPHICAL ERRORS DYES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS POLISHES PREPARATION OF CARBON BLACK PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES TYPEWRITERS
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Beschreibung
Zusammenfassung:	A process is provided in which a pigment is oxidated with ozone in an aqueous environment in which the mixture of ozone, water and pigment is subjected to a dispersive mixing operation; and/or the pH of the mixture is maintained in a range of 6-8, whereby the pigment is self-dispersing and preferably has an acid value of less than 3 mumoles/M . Pigments from this process and ink jet inks containing the self-dispersing pigments, are also provided.