Heat sealable packaging film of polyacrylonitrile film laminated

Details Heat sealable packaging film of polyacrylonitrile film laminated Heat sealable packaging film of polyacrylonitrile film laminated

1981-05-11

1983-05-31

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

2642106, 1562726, 428516, 428522, 428910, 428349, B32B 2730, B32B 2732

Patent

active

043861385

ABSTRACT:
Biaxially oriented polyacrylonitrile film is treated with corona discharge and laminated on one or both sides with olefin polymer or copolymer by extrusion coating. The resultant laminate has excellent flexibility as measured by the Gelbo flex test. The laminate is readily heat sealed and is useful in packaging application.

REFERENCES:
patent: 3360412 (1967-12-01), James
patent: 3437717 (1969-04-01), Isley
patent: 3453173 (1969-07-01), Isley
patent: 3565876 (1971-02-01), Ball
patent: 3755058 (1973-08-01), Golden
patent: 3823061 (1974-07-01), Frayer
patent: 4096013 (1978-06-01), Lutzman

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