Substrates comprising switchable ferromagnetic nanoparticles

The invention relates to a method for producing organic substrate particles bound to switchable ferromagnetic nanoparticles having a mean particle diameter in the range of 10 to 1000 nm, wherein nanoparticles that are at first not ferromagnetic but become ferromagnetic upon lowering of the temperatu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BRUECK, EKKEHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CASTING CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS HUMAN NECESSITIES HYGIENE INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MEDICAL OR VETERINARY SCIENCE METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention relates to a method for producing organic substrate particles bound to switchable ferromagnetic nanoparticles having a mean particle diameter in the range of 10 to 1000 nm, wherein nanoparticles that are at first not ferromagnetic but become ferromagnetic upon lowering of the temperature are used, said at first non-ferromagnetic nanoparticles are bonded to the organic substrate particles in a dispersed form and subsequently the nanoparticles bonded to the substrate particles are made ferromagnetic by the lowering of temperature.