Self unified, heat sealable, multilayer film

Details Self unified, heat sealable, multilayer film Self unified, heat sealable, multilayer film

1979-01-02

1980-08-19

Ansher, Harold

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428355, 428420, 428475, 428476, 428483, 428523, 428910, B32B 2734, B32B 2732, B32B 2736

Patent

active

042185106

ABSTRACT:
A self unified, heat sealable, multilayer film comprising a polyester layer chemically interfacially bonded to a polyolefinic layer containing from about 250 to 750 parts per million of a fatty acid amide, wherein the interfacial bond between said polyester layer and said polyolefinic layer is so strong that said layers cannot be mechanically separated.

REFERENCES:
patent: 2805173 (1957-09-01), Ambler
patent: 3188265 (1965-06-01), Charbonneau et al.
patent: 3188266 (1965-06-01), Charbonneau et al.
patent: 3279940 (1966-10-01), Francis et al.
patent: 3423231 (1969-01-01), Lutzmann
patent: 3455720 (1969-07-01), Davies et al.
patent: 3547754 (1970-12-01), Tokos et al.
patent: 3697368 (1972-10-01), Bhuta et al.
patent: 4156049 (1979-05-01), Hodes et al.

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