Heat sealable multilayer film and method of making same

Details Heat sealable multilayer film and method of making same Heat sealable multilayer film and method of making same

1986-09-02

1988-05-03

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428412, 4284763, 428483, 428516, 428910, B32B 2700

Patent

active

047419571

ABSTRACT:
An oriented polyolefin film structure having a base layer of, for example, polypropylene, and wherein at least one skin layer is comprised of a copolymer or terpolymer and at least one skin layer is comprised of a polyamide, polyester or polycarbonate polymer whereby said film structure has improved and broad heat sealability.

REFERENCES:
patent: 3442686 (1969-05-01), Jones
patent: 3503786 (1970-03-01), Barbehenn et al.
patent: 4284672 (1981-08-01), Stillman
patent: 4297415 (1981-10-01), Ward et al.
patent: 4341825 (1982-07-01), Kemski
patent: 4384024 (1983-05-01), Mitchell et al.
patent: 4419411 (1983-12-01), Park
patent: 4439478 (1984-03-01), Ferguson et al.
patent: 4488924 (1984-12-01), Krieg
patent: 4564558 (1986-01-01), Touhsaent
patent: 4604324 (1986-08-01), Nahmais et al.

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