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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Bibliographic Details
Main Authors FRANCIS RAYMOND SHERLIKER, JOSEF NEMCEK, THOMAS ARWEL ROBERTS
Format Patent
LanguageEnglish
Published 07.04.1981
Subjects
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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Summary: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
Bibliography:Application Number: GR19800160902