Process for the production of polyethylene materials

Details Process for the production of polyethylene materials Process for the production of polyethylene materials

1987-06-12

1989-11-07

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264120, 264122, 264126, 264171, 2642102, 2642107, 2642108, 264211, 264236, 264300, 264320, 26433117, 525240, 525 73, 5253481, 525352, B29C 3502, B29B 1112

Patent

active

048790761

ABSTRACT:
A process for producing polyethylene materials is disclosed in which particulate polyethylene is drawn at lower temperatures than its melting point, the polymer having an intrinsic viscosity of 5-50 dl/g at 135.degree. C. in decalin and resulting from the polymerization of ethylene at temperatures below the above melting point and with use of a selected catalyst. The polyethylene materials excel in mechanical strength and elastic modulus.

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T. Kanamoto et al, Preprints of the Society of High Polymers, Japan, vol. 34, p. 873 (1985).
P. Smith, H. D. Chanzy and B. P. Rotzinger, Polymer (Commun.), 26, 258-260 (1985).

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