Polymeric films

Details Polymeric films Polymeric films

1994-10-31

1996-03-12

Davis, Jenna L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283179, 4283186, 4283188, 428349, 428354, B32B 518, B32B 2720

Patent

active

054984734

ABSTRACT:
Biaxially oriented polymeric films consisting of a first layer of a propylene homopolymer having on one side thereof and coextensive therewith a second layer of a non-voided propylene homopolymer and on the other side thereof and coextensive therewith a third layer of a voided propylene homopolymer, the said second layer having a heat sealable layer thereon and coextensive therewith. Films of the invention have puncture resistance combined with good gloss.

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

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