Screw compounding of plastic and additive compsn. - for mfr. of e.g. flame resistant or scrap cpds. with simultaneous removal of humidity and gases

Plastics moulding cpds. are mfd. by dosing separate amts. of plastics material, filler, extender, flame-retardant and desired additive(s), and mixing and kneading the ingredients in a twin-screw arrangement which consists of a pair of conter-rotating screws installed side-by-side, so that the materi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HIRATA,KENJI, KUBO,SHIGETOSHI, HARA,MASAYUKI
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS 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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