Process of producing polyethylene drawn filaments and drawn film

Details Process of producing polyethylene drawn filaments and drawn film Process of producing polyethylene drawn filaments and drawn film

1987-12-21

1989-04-25

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264164, 264175, 2642101, 26421112, 2642884, 264320, B29C 4792, B29C 5500

Patent

active

048246190

ABSTRACT:
A process for producing polyethylene drawn filaments and drawn films which comprises molding under pressure a mixture of 51 to 90 parts by weight of polyethylene powder having a weight average molecular weight of at least 4.times.10.sup.5 and having no history of being molten or dissolved after polymerization, and 49 to 10 parts by weight of a solvent at a temperature lower than the melting point of the mixture, and then hot-stretching the molded product.

REFERENCES:
patent: 3184526 (1965-05-01), Klug
patent: 4272474 (1981-06-01), Crocker
patent: 4487875 (1984-12-01), Nakajima et al.
patent: 4615853 (1986-10-01), Aoyama et al.
patent: 4643865 (1987-02-01), Okada et al.
patent: 4734196 (1988-03-01), Kono et al.
patent: 4769433 (1988-09-01), Chanzy et al.

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