Iron oxide pigments containing Al

Aluminium-containing iron oxide pigments of the formula Fe2-xAlxO3 with x values from 0.01 to 0.25, characterized in that they possess an a* value of 30.5 to 32.5 CIELAB units and a b* value of 25.5 to 30.5 CIELAB units, measured in each case as full shade in the alkyd resin according to DIN EN ISO...

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Bibliographic Details
Main Authors Kischkewitz, Juergen, Buetje, Kai, Rosenhahn, Carsten, Meisen, Ulrich, Koehler, Peter, Kathrein, Christine
Format Patent
LanguageEnglish
Published 25.04.2023
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
DYES
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:Aluminium-containing iron oxide pigments of the formula Fe2-xAlxO3 with x values from 0.01 to 0.25, characterized in that they possess an a* value of 30.5 to 32.5 CIELAB units and a b* value of 25.5 to 30.5 CIELAB units, measured in each case as full shade in the alkyd resin according to DIN EN ISO 787-25:2007.
Bibliography:Application Number: US202217700428