Unbalanced oriented multiple layer film

Details Unbalanced oriented multiple layer film Unbalanced oriented multiple layer film

1983-05-05

1985-02-26

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428343, 428354, 4284747, 4284749, 4284755, 4284758, 4284761, 4284763, 428516, 428570, 428522, 428910, 428 35, 2642902, 2642884, B32B 2700

Patent

active

045017980

ABSTRACT:
An unbalanced multiple layer polymeric film having good interfacial adhesions has a first molecularly oriented polymeric surface layer of nylon on one surface thereof, and a second molecularly oriented polymeric surface layer of a heat sealable ethylene-based polymer or copolymer on the other surface thereof. Films are disclosed having interior functional layers of EVOH and HDPE, along with adhesive polymers selected for good interfacial adhesion after orientation of the film in the machine direction. Processes for making and orienting the films are also disclosed.

REFERENCES:
patent: 4058582 (1977-11-01), Bierenbaum et al.
patent: 4058647 (1977-11-01), Inoue et al.
patent: 4064296 (1977-12-01), Bornstein
patent: 4095012 (1978-06-01), Schirmer
patent: 4188443 (1980-02-01), Mueller
patent: 4194039 (1980-03-01), Mueller
patent: 4254169 (1981-03-01), Schroeder
patent: 4261473 (1981-04-01), Yamada
patent: 4405667 (1983-09-01), Christensen et al.
patent: 4407873 (1983-10-01), Christensen et al.

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