PROCESS FOR PREPARING COPPER PHTHALOCYANINE PIGMENTS FO THE OC-MODIFICATION

Highly pure alpha -copper phthalocyanine is obtained when a product regenerated from alpha -copper phthalocyanine sulfate by hydrolysis with water is aftertreated in an aqueous medium containing a polar organic non-aromatic compound which is water-soluble or liquid. The aftertreated product has an e...

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Bibliographische Detailangaben
Hauptverfasser:	SCHIEBLER S, ELINKMANN H, SPIETSCHKA E
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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Beschreibung
Zusammenfassung:	Highly pure alpha -copper phthalocyanine is obtained when a product regenerated from alpha -copper phthalocyanine sulfate by hydrolysis with water is aftertreated in an aqueous medium containing a polar organic non-aromatic compound which is water-soluble or liquid. The aftertreated product has an especially high tinctorial strength, is very easily dispersible and has a very pure reddish-blue shade.