STABLE IRON OXIDE MAGNETIC NANOPARTICLE (NANOMAG) SLURRY AND A METHOD OF PRODUCING THE SAME

Disclosed herein is an iron oxide nanoparticle comprising ≥95% magnetite (Fe3O4) and having a particle diameter size of from 7 to 27 nm when measured using transmission electron microscopy and a magnetisation strength (Ms) of from 60 to 80 emu/g. Also disclosed herein are coated iron oxide nanoparti...

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Bibliographische Detailangaben
Hauptverfasser:	ONG, Hun Tiar, O.A. ABD HAMID, Sharifah Bee Binti, TAI, Mun Foong
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DYES INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	Disclosed herein is an iron oxide nanoparticle comprising ≥95% magnetite (Fe3O4) and having a particle diameter size of from 7 to 27 nm when measured using transmission electron microscopy and a magnetisation strength (Ms) of from 60 to 80 emu/g. Also disclosed herein are coated iron oxide nanoparticles, methods to make said iron oxide nanoparticles and articles containing the same. L'invention concerne une nanoparticule d'oxyde de fer comprenant ≥ 95 % de magnétite (Fe3O4) et présentant une dimension de diamètre de particule de 7 à 27 nm, lorsqu'elle est mesurée à l'aide de la microscopie électronique à transmission, et une intensité de magnétisation (Ms) de 60 à 80 emu/g. L'invention concerne également des nanoparticules d'oxyde fer revêtues, des procédés pour préparer lesdites nanoparticules d'oxyde de fer et des objets les contenant.