Differentially crosslinked and oriented polyethylene film

Details Differentially crosslinked and oriented polyethylene film Differentially crosslinked and oriented polyethylene film

1986-03-06

1987-11-10

Schofer, Joseph L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428212, 428213, 428333, 428516, 428910, 5263481, 526352, 525192, 5253337, 522112, 522161, 264171, 264 22, B32B 2706, B32B 2716, B32B 2732, C08F11002

Patent

active

047057149

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: 4226905 (1980-10-01), Harbourne
patent: 4410582 (1983-10-01), Tsunashima et al.
patent: 4636340 (1987-01-01), Itaba et al.

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