Magnesium oxide powder, production method therefor, thermally-conductive resin composition, thermally-conductive grease, and thermally-conductive coating material

This magnesium oxide powder is characterized in that: the median diameter (D50) thereof is 5-100 [mu]m; the MgO purity thereof is 98 mass% or more; the Ca compound content thereof is 2 mass% or less in terms of CaO; and when the powder is immersed in pure water and is left at rest at 95 DEG C for 24...

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Bibliographische Detailangaben
Hauptverfasser:	ARASE TAKASHI, NAKAMURA KOJI, NISHIDA NAOTO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS DYES INORGANIC CHEMISTRY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES POWDER METALLURGY THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	This magnesium oxide powder is characterized in that: the median diameter (D50) thereof is 5-100 [mu]m; the MgO purity thereof is 98 mass% or more; the Ca compound content thereof is 2 mass% or less in terms of CaO; and when the powder is immersed in pure water and is left at rest at 95 DEG C for 24 hours, the mass ratio Ca/Mg of calcium ions to magnesium ions in the water solution is 10 or less. 一种氧化镁粉末，其特征在于，中值粒径(D)为5μm～100μm，MgO的纯度为98质量％以上，Ca化合物的含量以CaO换算计为2质量％以下，将其浸渍于纯水中并于95℃静置24小时时，水溶液中的镁离子与钙离子的质量比Ca/Mg为10以下。