Extruder and process modifying residence time distribution

Details Extruder and process modifying residence time distribution Extruder and process modifying residence time distribution

1993-02-16

1993-11-30

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264349, 366 82, 366 84, 366136, 425204, 425208, B29C 4764

Patent

active

052662560

ABSTRACT:
A process is provided for modifying the residence time distribution of materials in an extruder which results in a residence time distribution comparable to that obtained in a continuous stirred tank reactor. An extruder is provided which has a section which modifies the residence time distribution of materials loaded into the extruder.

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patent: 5205973 (1993-04-01), Kafka
"Twin-Screw Geometry a Key to Reactive Extrusion", Tucker et al, Plastics Engineering, May 1987, pp. 27-30.
Altered Screw flight Profile Creates Backflow, Accelerating Melting in Extruders, Plastics Focus, Mar. 22, 1993, p. 5, Fred Hoth, Scientific Process & Research, Inc. 67 Veronica Avenue, Somerset, N.J. 08873, 908-846-3477.

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