Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1992-07-09
1993-10-26
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
2642108, 26421122, D01F 604, D02J 122
Patent
active
052563588
ABSTRACT:
An extruded stretched filament of ultra-high-molecular-weight polyethylene has an intrinsic viscosity [.eta.] of at least 3.5 dl/g, a tensile strength at break of 10 kg/mm.sup.2, a draw ratio of at least 3, a C axis orientation degree of at least 0.9, an outer diameter of 0.1 to 10 mm.phi., and a substantially indefinite length, and a method and apparatus for producing the same.
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Nakashima Koji
Shiraki Takeshi
Yoshimura Yoshihiro
Mitsui Petrochemical Industries Ltd.
Tentoni Leo B.
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