NEW INORGANIC BLUE PIGMENTS FROM COBALT DOPED MAGNESIUM HAVING TRANSITION ELEMENT OXIDES AND A PROCESS FOR THE PREPARING THE SAME

The present invention relates to a new Inorganic Blue pigments from Cobalt doped Magnesium having Transition Element Oxides and a process for the preparing the same. The present invention more particularly relates to the development of blue pigments, comprising oxides of alkaline earth, and transiti...

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Bibliographische Detailangaben
Hauptverfasser:	RAO, Padala Prabhakar, DIVYA, Saraswathy
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS 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 new Inorganic Blue pigments from Cobalt doped Magnesium having Transition Element Oxides and a process for the preparing the same. The present invention more particularly relates to the development of blue pigments, comprising oxides of alkaline earth, and transition metals of the general formula Mg1-xCoxWO4 (x=0.1 to 0.5), Mg1-xCoxN-bO6 (x=0.1 to 0.5), and Mg1-xCoxTiO3 (x=0.1 to 0.5) and well suited for coloring applications of a wide variety of substrates for example paints, varnishes, plastics, ceramics etc. Raw materials such as MgO, CoO and one of WO3, TiO2, Nb2O5 and are weighted in the stoichiometric ratio and calcined in the range 1100-1300° C. for 6-12 hrs duration in air atmosphere. The well ground calcined powders were used for characterization of the pigments. The phase purity and optical properties of the prepared pigments were investigated.