METHOD FOR PRODUCING ORGANIC SOLVENT DISPERSION OF INORGANIC OXIDE MICROPARTICLES

The invention provides a method for producing a dispersion of microparticles of an inorganic oxide in an organic solvent having excellent transparency which comprises mixing an alcohol dispersion of microparticles of inorganic oxide selected from zirconia and titania with a silane coupling agent in...

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Bibliographic Details
Main Authors KAWASAKI NORIAKI, HIRATA NORIMUNE, MIYATA ATSUSHI, NAGAKAWA KEIICHI
Format Patent
LanguageEnglish
French
German
Published 05.09.2012
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:The invention provides a method for producing a dispersion of microparticles of an inorganic oxide in an organic solvent having excellent transparency which comprises mixing an alcohol dispersion of microparticles of inorganic oxide selected from zirconia and titania with a silane coupling agent in the presence of an acid and stirring the resulting mixture to surface-treat the microparticles of the inorganic oxide at a temperature within a range from -20 to 60°C; and then replacing the alcohol by a lipophilic organic solvent.
Bibliography:Application Number: EP20100826892