METHOD FOR THE PRODUCTION OF METAL OXIDE PIGMENT COMPOSITE OF CONTROLLED AGGLOMERATING PROPERTIES AND RESPECTIVE PRODUCT

It is disclosed a process for the preparation of a composite containing submicron sized particles of metal oxide pigment and a natural-based organic compound, comprising a step of grinding a metal oxide pigment and a oligomeric and/or polymeric carbohydrate together by means of a ball mill, so as to...

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Bibliographische Detailangaben
Hauptverfasser:	Cravotto, Giancarlo, Foglia, Elena, László, Jicsinszky
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:	It is disclosed a process for the preparation of a composite containing submicron sized particles of metal oxide pigment and a natural-based organic compound, comprising a step of grinding a metal oxide pigment and a oligomeric and/or polymeric carbohydrate together by means of a ball mill, so as to obtain a pigment composite containing particles having a submicron granulometry and an outer surface partially or completely covered by said oligomeric and/or polymeric carbohydrate; it is also disclosed a so-obtained pigment composite comprising pigment particles having a mean hydrodynamic diameter smaller than 1 µm.