JPS5936860B

PURPOSE:A polyolefin resin is kneaded together with a condensation catalyst in the former-stage extruder and the composition is fed into latter-stage extruder wherein the number of screw revolution is controlled to make the pressure in the latterstage extruder negative thus enabling the injection of...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI TOSHIO, TAKANO HIDEO, KATO SHIGERU, YAMAGIWA TOSHUKI, MIZUKAMI TOKUGORO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:A polyolefin resin is kneaded together with a condensation catalyst in the former-stage extruder and the composition is fed into latter-stage extruder wherein the number of screw revolution is controlled to make the pressure in the latterstage extruder negative thus enabling the injection of a grafting agent with no use of pump.