SIO2 COATED PEARLESCENT PIGMENTS

The invention relates to pearlescent pigments comprising a metal oxide-containing, lamellar substrate and a protective layer, the metal oxide having a refractive index of more than 1.8. The protective layer is composed of an organic-chemical surface-modified SiO2 layer, the organic-chemical surface...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHMIDT, ULRICH, HENGLEIN, FRANK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY DYES 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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Beschreibung
Zusammenfassung:	The invention relates to pearlescent pigments comprising a metal oxide-containing, lamellar substrate and a protective layer, the metal oxide having a refractive index of more than 1.8. The protective layer is composed of an organic-chemical surface-modified SiO2 layer, the organic-chemical surface modification being applied to the SiO2 layer. The invention further relates to a method for producing said pearlescent pigments and the use thereof.