NOUVEAU PIGMENT DE DIOXIDE DE TITANE, SON PROCEDE DE PREPARATION ET SON UTILISATION DANS LES COMPOSITIONS DE PEINTURE

The invention concerns a novel titania pigment useful for external painting. This pigment has a titania nucleus coated successively with a layer of zirconium hydroxide or oxyhydroxide, then a layer of titanium hydroxide or oxyhydroxide, then of a layer of co-precipitated phosphate and silica, and fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUEZ ANNY, STEINER CAROLINE
Format:	Patent
Sprache:	fre
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 IMPREGNATING OR COATING OF PAPER INKS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G 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 invention concerns a novel titania pigment useful for external painting. This pigment has a titania nucleus coated successively with a layer of zirconium hydroxide or oxyhydroxide, then a layer of titanium hydroxide or oxyhydroxide, then of a layer of co-precipitated phosphate and silica, and finally a layer of aluminium oxyhydroxide. The invention also concerns a method for preparing said pigment and its use in paints, plastics and laminated paper. L'invention concerne un nouveau pigment de dioxyde de titane utilisable dans les compositions de peinture pour extérieurs. Ce pigment présente un noyau de dioxyde de titane recouvert successivement d'une couche d'hydroxyde ou d'oxyhydroxyde de zirconium, puis d'une couche d'hydroxyde ou d'oxyhydroxyde de titane, puis d'une couche d'un coprécipité de phosphate et de silice et enfin d'une couche d'oxyhydroxyde d'aluminium.L'invention concerne également un procédé de préparation de ce pigment et son utilisation dans les peintures, les plastiques et les laminés de papier.par.