Process for making composite polymer

Process for making composite polymer

A process for producing composite polymeric materials which comprise wood pulp fiber and thermoplastic polymer is provided, comprising the step of decreasing the exit area of the mixing device to 40 to 60% of the cross-sectional area of the mixing device. The wood pulp fiber used is preferably a ble...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CERNOHOUS JASON M, SARNSTROM TODD
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
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:A process for producing composite polymeric materials which comprise wood pulp fiber and thermoplastic polymer is provided, comprising the step of decreasing the exit area of the mixing device to 40 to 60% of the cross-sectional area of the mixing device. The wood pulp fiber used is preferably a bleached chemical wood pulp fiber. The process further includes conversion of the composite polymer materials into pellet form.