Method of producing crosslinked polyethylene stretched film

Details Method of producing crosslinked polyethylene stretched film Method of producing crosslinked polyethylene stretched film

1984-12-18

1987-01-13

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

522161, 525191, 525194, 264171, 264211, 2642884, 2642893, B29C 3508, B29C 5512

Patent

active

046363408

ABSTRACT:
An oriented film is prepared by crosslinking a sheet of polyethylene (preferably HDPE) containing particulate inorganic slip and antiblock additions to provide maximum crosslinking at the surfaces of the sheet and minimum orientation at its middle layer portion, and thereafter heating and stretching the film to obtain an oriented HDPE of high clarity film of improved moisture proof.

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patent: 2936261 (1960-05-01), Cole
patent: 3187982 (1965-06-01), Underwood et al.
patent: 3201506 (1965-08-01), Bills
patent: 3448182 (1969-06-01), Derbyshire et al.
patent: 3563870 (1971-02-01), Tung et al.
patent: 3886056 (1975-05-01), Kitamaru et al.
patent: 4101699 (1978-07-01), Stine et al.
patent: 4226905 (1980-10-01), Harbourne
patent: 4590020 (1986-05-01), Itaba et al.
Abstracts: Japanese Patent Publication No. 37-18893; Japanese Laid-Open Nos. 51-126269, 52-37981, 54-48865, 54-65775, 54-78743, 54-102373, 55-55829.

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