MULTIFUNCTIONAL COATED POWDERS AND HIGH SOLIDS DISPERSIONS

A coated powder comprises (a) nanoparticles, and (b) a coating, on the surface of the nanoparticles. The coating comprises (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane mo...

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Bibliographische Detailangaben
Hauptverfasser:	SARKAS, Harry W, MURRY, Patrick G, SHAH, Kushal
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY DYES HUMAN NECESSITIES HYGIENE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A coated powder comprises (a) nanoparticles, and (b) a coating, on the surface of the nanoparticles. The coating comprises (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane moieties, and (3) poly(dialkyl)siloxane moieties. L'invention concerne une poudre revêtue comprenant (a) des nanoparticules, et (b) un revêtement, sur la surface des nanoparticules. Le revêtement comprend (1) des fractions de silice, (2) des fractions organo-oxysilane choisies dans le groupe constitué de fractions mono-organo-oxysilane, de fractions bi-organo oxysilane et de fractions tri-organo oxysilane, et (3) des fractions poly(dialkyl)siloxane.