Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1977-11-01
1979-10-16
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
264236, D01F 102
Patent
active
041713389
ABSTRACT:
A process is provided for preparing ultrahigh molecular weight, high abrasion resistant polyethylene compositions, wherein ultrahigh molecular weight polyethylene resin is admixed with about 0.01 to 0.1 weight percent organic peroxide and the admixture introduced at elevated temperatures into a melt shaping apparatus such as a ram extruder. The ultrahigh molecular weight polyethylene is cross-linked to still higher molecular weight compositions during melt shaping thereby resulting in a composition having superior abrasion resistance.
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Allied Chemical Corporation
Doernberg Alan M.
Friedenson Jay P.
Woo Jay H.
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