Method of producing oriented polyethylene film

Details Method of producing oriented polyethylene film Method of producing oriented polyethylene film

1984-03-22

1986-05-20

Schofer, Joseph L.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264171, 2642102, 2642888, 2642893, 156229, 15624412, 15624424, 1562755, 525191, 525194, 522161, B29C 3502, B29C 3510, B29C 5502

Patent

active

045900205

ABSTRACT:
An oriented film is prepared by crosslinking a sheet of HDPE 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: 2877500 (1959-03-01), Rainer et al.
patent: 3242159 (1966-03-01), Kaufman
patent: 3455337 (1969-07-01), Cook
patent: 4064296 (1977-12-01), Bornstein et al.
patent: 4226905 (1980-10-01), Harbourne
Modern Plastics Encyclopedia, vol. 57 (10A), McGraw-Hill, Inc., N.Y., N.Y. (1980), pp. 550-551.

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