HdPE films with imbalanced biaxial orientation

Details HdPE films with imbalanced biaxial orientation HdPE films with imbalanced biaxial orientation

1987-09-28

1989-09-26

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

5263481, 525240, 428516, 2642902, C08J 518, C08L 2306

Patent

active

048701220

ABSTRACT:
High density polyethylene (HDPE) films, preferably containing blends of HDPE resins or microcrystalline wax, are oriented up to about two times in the machine direction and six times or more in the transverse direction to give films having good dead-fold and water vapor transmission characteristics making them highly suited for packaging, particularly for dry foods when coated with or coextruded with a heat sealable layer, e.g. Surlyn.

REFERENCES:
patent: 3179720 (1965-04-01), Hillman
patent: 3340328 (1967-09-01), Brindell et al.
patent: 3976612 (1976-08-01), Kaji et al.
patent: 3998914 (1976-12-01), Lillis et al.
patent: 4226905 (1980-10-01), Harbourne
Derwent Abstract No. 74-42 588V.

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