Dispersing agent for pigment concentrates, its use and masterbatches comprising the dispersing agent

The invention relates to polyesters which contain carboxy groups and which are used as dispersing agents for pigment concentrates for the colouring of thermoplastics, and to a process for their preparation. The invention further relates to the use of the polyesters as dispersing agents, and also to...

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Bibliographische Detailangaben
Hauptverfasser: Haubennestel, Karlheinz, Bubat, Alfred, Krappe, Udo, Gertzen, Barbel, Garlinsky, Joerg, Pritschins, Wolfgang
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to polyesters which contain carboxy groups and which are used as dispersing agents for pigment concentrates for the colouring of thermoplastics, and to a process for their preparation. The invention further relates to the use of the polyesters as dispersing agents, and also to masterbatches which comprise pigments, thermoplastics and the polyesters.