Pigment preparations, a process for preparing pigment preparations and use thereof

The invention provides pigment preparations, a process for preparing pigment preparations and use thereof. A pigment preparation, containing a pigment and/or carbon black and a polymer and/or a surfactant selected from the group of cross-linked polyoxyethyleneacrylic acid, fatty alcohol polyglycol e...

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Bibliographische Detailangaben
Hauptverfasser: Mathias, Johann, Kleinhenz, Horst, Karl, Alfons, Tauber, Gerd
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention provides pigment preparations, a process for preparing pigment preparations and use thereof. A pigment preparation, containing a pigment and/or carbon black and a polymer and/or a surfactant selected from the group of cross-linked polyoxyethyleneacrylic acid, fatty alcohol polyglycol ethers, polyvinylpyrrolidone, alcohol alkoxylates, lignin sulfonates, alkylphenol polyglycol ethers, naphthalene sulfonic acid derivatives or mixtures thereof which is prepared from an aqueous dispersion by freeze-drying. The pigment preparation can be used for coloring purposes and/or to provide antistatic characteristics in water-based coloring and lacquer systems, disperse dyes, printing inks, inking systems and coating systems.