Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1979-08-08
1982-08-10
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
526125, 526352, B28B 320
Patent
active
043437559
ABSTRACT:
A process comprising forming an extrudate, preferably in the form of a film, from an ethylene polymer which, in an extruder, melts rapidly and experiences slow shear thinning by melt extruding said polymer through an extruder having an extrusion screw therein with a length to diameter ratio of between about 15:1 to 21:1.
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Burnett Archibald L.
Miller John C.
Brown Robert C.
Union Carbide Corporation
Vicari Clement J.
Woo Jay H.
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