GR66651

Dispersions of colloidal siliceous particles, preferably silica, may be prepared in organic liquids by means of a synergistic mixture of dispersing agents comprising a phosphorus oxy-acid derivative and a long-chain amine. Dispersions containing a high weight fraction of siliceous solids having a lo...

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Bibliographische Detailangaben
Hauptverfasser:	FRANCIS RAYMOND SHERLIKER, JOSEF NEMCEK, THOMAS ARWEL ROBERTS
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Dispersions of colloidal siliceous particles, preferably silica, may be prepared in organic liquids by means of a synergistic mixture of dispersing agents comprising a phosphorus oxy-acid derivative and a long-chain amine. Dispersions containing a high weight fraction of siliceous solids having a lower viscosity than is normally achieved are possible.Dispersions useful as dental compositions are made, using a polymerisable organic liquid either consisting of a vinyl urethane or the reaction product of a bisphenol with a glycidyl acetate