Process for producing a crosslinked and oriented polyethylene fi

Details Process for producing a crosslinked and oriented polyethylene fi Process for producing a crosslinked and oriented polyethylene fi

1988-09-08

1990-01-02

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

2642102, 2642893, 2642902, 26433117, 264347, 522161, 525240, B29C 3508

Patent

active

048911739

ABSTRACT:
A crosslinked and oriented polyethylene film superior in clarity as well as moistureproofness and having an improved stretchability is produced by a process for producing a crosslinked and oriented polyethylene film such that the degree of crosslinking inwardly decreases across the thickness of the film, comprising using a polyethylene having a density of at least 0.935 g/cm.sup.3, a melt index of 0.5 to 20 g/10 min and a high-load melt index to melt index ratio of 40 to 200.

REFERENCES:
patent: 3563870 (1971-02-01), Tung
patent: 3886056 (1975-05-01), Kitamoru et al.
patent: 4226905 (1980-10-01), Harbourne
patent: 4551380 (1985-11-01), Schoenberg
patent: 4590020 (1986-05-01), Itaba et al.
patent: 4636340 (1987-01-01), Itaba et al.
patent: 4705714 (1987-11-01), Itaba et al.

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