PRODUCTION OF POLYCARBONATE RESIN POWDERY OR GRANULAR MATERIAL

PURPOSE:To provide a method for readily producing a polycarbonate resin powdery or granular material, containing an extremely small amount of a residual organic solvent, hardly being crushed by impact and having a uniform particle diameter. CONSTITUTION:This method for producing a polycarbonate resi...

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Bibliographische Detailangaben
Hauptverfasser:	ISSHIKI HIDEKI, MANABE AKIYOSHI, KOTSUNA KATSUHIRO, IKEMURA YOSHIFUMI, KITACHI TOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a method for readily producing a polycarbonate resin powdery or granular material, containing an extremely small amount of a residual organic solvent, hardly being crushed by impact and having a uniform particle diameter. CONSTITUTION:This method for producing a polycarbonate resin powdery or a granular material comprises continuously feeding a solid polycarbonate resin having an organic solvent and water to an extruder, finely pulverizing the polycarbonate resin to particles having