Production of substantially linear highly crystalline polyolefin

Details Production of substantially linear highly crystalline polyolefin Production of substantially linear highly crystalline polyolefin

1989-10-25

1991-07-30

Teskin, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526159, 526352, 526348, C08F 202, C08F 452

Patent

active

050361481

ABSTRACT:
High strength, substantially linear, highly crystalline, high molecular weight-polyolefin shaped structure having a tenacity of greater than 15 g/den and an initial modulus of greater than 500 g/den by drawing never-processed polyolefin at a temperature of 60.degree. C. to 145.degree. C.; and processes for making never-processed polyolefin and such shaped structures.

REFERENCES:
patent: 3162620 (1964-12-01), Gladding
patent: 4879076 (1989-11-01), Sano et al.
Chanzy et al., Polymerization on Glass-Supported Vanadium Trichloride: Morphology of Nascent Polyethylene, Polymer, 8, 567-88, 1967.
Georgiadis et al, Morphology of Nascent Polyethylene Prepared with the Catalyst VOCl.sub.3 /(C.sub.2 H.sub.5).sub.2 AlCl, Polymer, 13, 567, 1972.

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