Polymeric films

Details Polymeric films Polymeric films

1992-12-02

1994-06-07

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283073, 4283084, 428349, 428461, 428910, 428515, B32B 326

Patent

active

053188349

ABSTRACT:
Biaxially oriented polymeric films consisting of a core layer of voided polypropylene with a layer of non-voided polypropylene homopolymer on one surface and a layer of a heat sealable polymer on the non-voided layer, the other surface of the core layer having at least one non-voided polymeric layer thereon. Such films have shown good puncture resistance combined with good gloss for the heat sealable polymer layer on the non-voided homopolymer layer.

REFERENCES:
patent: 4698261 (1987-10-01), Bothe et al.
patent: 5091236 (1992-02-01), Keller et al.
patent: 5151317 (1992-09-01), Bothe

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