Sealable composite polypropylene film

Details Sealable composite polypropylene film Sealable composite polypropylene film

1993-08-18

1996-06-25

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428339, 428349, 428516, 428910, 15624411, B32B 2708, B32B 516

Patent

active

055298435

ABSTRACT:
A composite film is described which has at least one base layer which predominantly comprises polypropylene, and at least one top layer. The top layer is sealable and comprises a homopolymer of an olefin. A process for producing the composite film, the top layer olefin homopolymer and packaging material made from the film also are described.

REFERENCES:
patent: 4622237 (1986-11-01), Lori
patent: 4652489 (1987-03-01), Crass et al.
patent: 4698261 (1987-10-01), Bothe et al.
patent: 5026592 (1991-06-01), Janocha et al.
patent: 5049436 (1991-09-01), Morgan et al.
patent: 5254394 (1993-10-01), Bothe et al.

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