FINELY DIVIDED IRON OXIDE PIGMENT, ITS PRODUCTION AND USE

The present invention relates to a process for the preparation of finely divided iron oxide black pigments from iron oxide black suspensions which are obtained by the precipitation or aniline method and then filtered, washed, dried and milled, milling of the dried iron oxide black pigment being carr...

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Bibliographische Detailangaben
Hauptverfasser:	YAKOPU RADEMATSUHAASU, KARURUUBERUNAA GANTAA, GIYUNTAA RINDE, BORUFUGANGU RANBORUTO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CORRECTING FLUIDS DYES FILLING PASTES INKS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the preparation of finely divided iron oxide black pigments from iron oxide black suspensions which are obtained by the precipitation or aniline method and then filtered, washed, dried and milled, milling of the dried iron oxide black pigment being carried out in a jet mill using air as the grinding medium at a water content of 1 to 6% by weight, preferably 3 to 4% by weight, based on iron oxide black used. … The invention also relates to the use of the iron oxide black pigments according to the invention for colouring surface coatings and plastics.