KOLLOIDALE MAGNETISCHE FLUESSIGKEIT

Water based magnetic colloidal fluids, useable as inks, when prepared by coating chemically precipitated magnetite (Fe3O4) with an adsorption site providing coating agent including certain organic anions, such as sulfates, sulfonates or amino carboxilates, and then dispersing the coated product with...

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Bibliographische Detailangaben
Hauptverfasser:	KOVAC,ZLATA, JUAN SAMBUCETTI,CARLOS
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTRICITY FILLING PASTES INDUCTANCES INKS MAGNETS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Water based magnetic colloidal fluids, useable as inks, when prepared by coating chemically precipitated magnetite (Fe3O4) with an adsorption site providing coating agent including certain organic anions, such as sulfates, sulfonates or amino carboxilates, and then dispersing the coated product with non-ionic, anionic or cationic surfactants may exhibit selectably cationic, anionic or non-ionic charge responsiveness.