MAGNETIC FIELD RESPONSIVENESS HEXAGONAL BORON NITRIDE, AND SHEET-LIKE RESIN COMPOSITION

To provide hexagonal boron nitride particles that are orientable at a magnetic field of a permanent magnet (0.2 to 1 T), and a sheet-like resin composition exhibiting excellent heat-conduction even when concentration of the hexagonal boron nitride particles is not high.SOLUTION: According to magneti...

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Bibliographische Detailangaben
Hauptverfasser:	ARIMA HIROAKI, MATSUMOTO NOBUKO, SUGIMORI SHUICHI, ITO GEN, ONAKA JUNKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOUNDS THEREOF ELECTRICITY INDUCTANCES INORGANIC CHEMISTRY MAGNETS METALLURGY NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSFORMERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	To provide hexagonal boron nitride particles that are orientable at a magnetic field of a permanent magnet (0.2 to 1 T), and a sheet-like resin composition exhibiting excellent heat-conduction even when concentration of the hexagonal boron nitride particles is not high.SOLUTION: According to magnetic field responsiveness hexagonal boron nitride particles, the magnetic field responsiveness hexagonal boron nitride particles of the present invention that are hexagonal boron nitride particles responding to a magnetic field comprise an adsorption layer of graphene oxide or partially reduced graphene oxide as a single layer on a surface of scaly or plate-like hexagonal boron nitride particles. Magnetic particles are attached onto the adsorption layer of the graphene oxide or the partially reduced graphene oxide.SELECTED DRAWING: Figure 1 【課題】永久磁石程度の磁場（０．２～１テスラ）で配向可能な六方晶窒化ホウ素粒子および六方晶窒化ホウ素粒子の濃度が高くなくても熱伝導の良いシート状樹脂組成物の提供。【解決手段】本発明の磁場応答性六方晶窒化ホウ素粒子は、磁場に応答する六方晶窒化ホウ素粒子であって、鱗片状または板状の六方晶窒化ホウ素粒子の表面に単層の酸化グラフェン又は部分還元された酸化グラフェンの吸着層を有し、前記酸化グラフェン又は部分還元された酸化グラフェンの吸着層に磁性粒子が付着した、磁場応答性六方晶窒化ホウ素粒子である。【選択図】図１