FLAKE-TYPE GRAPHITE GRANULE AND ITS PRODUCTION

PURPOSE:To obtain flake-type graphite granules which cause little dust, splashing or contamination during handling, can easily be dispersed in a medium for use, and are useful as a conductive filler or the like by granulating flake- type graphite having a specified shape. CONSTITUTION:A flake-type g...

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Bibliographische Detailangaben
Hauptverfasser:	KIMOTO YUJI, WATANABE YUKINOBU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain flake-type graphite granules which cause little dust, splashing or contamination during handling, can easily be dispersed in a medium for use, and are useful as a conductive filler or the like by granulating flake- type graphite having a specified shape. CONSTITUTION:A flake-type graphite powder having 1-100mum particle size, =10 aspect ratio and >=100 average aspect ratio, by 1 pt.wt. is introduced to a stirring, mixing or granulating device having a rolling or fluidizing effect such as an omnimixer, pan-pelletizer or the like. While effecting rolling or fluidizing, a binder such as water, by 40-100 pts.wt. is sprayed to the powder, and further rolling and fluidizing is continued for 1-10 minutes to make an aggregate of flake-type graphite particles. This aggregate is dried to obtain flake-type graphite granules having 0.1-30mm grain size and 0.02-0.2g/m density.