POWDERY SILICA DISPERSIBLE UNIFORMLY INTO ORGANIC SOLVENT AND ITS PREPARATION

PURPOSE:Powdery silica dispersible easily and uniformly into an organic solvent when it is added to the organic solvent, comprising silica particles of colloidal dimension, covered with a silyl group with a given carbon number range, having a specific number of the silyl groups bonded chemically to...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIDA HIROYASU, ARIMA YUUSAKU, SAITOU SUMIO, HARADA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF CORRECTING FLUIDS DYES FILLING PASTES INKS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS 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:	PURPOSE:Powdery silica dispersible easily and uniformly into an organic solvent when it is added to the organic solvent, comprising silica particles of colloidal dimension, covered with a silyl group with a given carbon number range, having a specific number of the silyl groups bonded chemically to the surface of silica. CONSTITUTION:Powdery silica dispersible uniformly into an organic solvent, comprising silica particles of colloidal dimension having 4-100mmu particle diameters, covered with 1-36C silyl group. In this case, the powdery silica has 1-100 silyl groups chemically bonded to the silica based on 10mmu of the silica surface. The powdery silica is prepared as follows. Namely, silica hydrosol having