Flake silver powders with chemisorbed monolayer of dispersant

Flake silver powders which have a chemisorbed monolayer of organic dispersing agent such as oleic acid on the surfaces and process for their preparation are provided. Such silver powders can be formulated into thick film pastes at above 85% solids levels at relatively low viscosities. Pastes so obta...

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Bibliographische Detailangaben
Hauptverfasser:	TYRAN, LEO W
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CABLES CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CASTING CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CONDUCTORS CORRECTING FLUIDS DYES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FILLING PASTES INKS INSULATORS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES POWDER METALLURGY PREPARATION OF CARBON BLACK PRINTED CIRCUITS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Flake silver powders which have a chemisorbed monolayer of organic dispersing agent such as oleic acid on the surfaces and process for their preparation are provided. Such silver powders can be formulated into thick film pastes at above 85% solids levels at relatively low viscosities. Pastes so obtained, when printed and fired, result in films of excellent conductive efficiency.