Stabilisation of pearlescent pigments

Six-layered pearlescent or nacreous pigment comprises: (i) a platelet-form substrate; (ii) a metal oxide-containing layer; (iii) a layer containing the corresponding non-glowing oxide, hydroxide or oxide hydrate to the layer (ii) oxide; (iv) an Si- or Al-oxide, hydroxide and/or oxide hydrate layer;...

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Bibliographische Detailangaben
Hauptverfasser:	JEKEL, MARITA, GLAUSCH, RALF
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES HUMAN NECESSITIES HYGIENE INKS MEDICAL OR VETERINARY SCIENCE 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 PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS 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:	Six-layered pearlescent or nacreous pigment comprises: (i) a platelet-form substrate; (ii) a metal oxide-containing layer; (iii) a layer containing the corresponding non-glowing oxide, hydroxide or oxide hydrate to the layer (ii) oxide; (iv) an Si- or Al-oxide, hydroxide and/or oxide hydrate layer; (v) a layer different from layer (iv); and (vi) a layer containing one or more organofunctional coupling reagents. Six-layered pearlescent or nacreous pigment comprises: (i) a platelet-form substrate; (ii) a metal oxide-containing layer with the layers (i) and (ii) forming a glowing base pigment; (iii) a layer containing the corresponding non-glowing oxide, hydroxide or oxide hydrate to the layer (ii) oxide; (iv) an Si- or Al-oxide, hydroxide and/or oxide hydrate layer; (v) a layer different from layer (iv) and containing an Si-, Al-, Zr- and/or Ce- oxide, hydroxide and/or oxide hydrate; and (vi) a layer containing one or more organofunctional coupling reagents. An Independent claim is also included for the preparation of the pigment.