Polyethylene stretched film

Details Polyethylene stretched film Polyethylene stretched film

1986-08-15

1987-06-16

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428335, 428500, 525191, 525194, B32B 702

Patent

active

046736190

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.

REFERENCES:
patent: 3563870 (1971-02-01), Tung et al.
patent: 3886056 (1975-05-01), Bills
patent: 4101699 (1978-07-01), Stine et al.
patent: 4226905 (1980-10-01), Harbourne
patent: 4590020 (1986-05-01), Itaba et al.

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