Flexible packaging films of high density polyethylene capable of

Details Flexible packaging films of high density polyethylene capable of Flexible packaging films of high density polyethylene capable of

1976-02-17

1980-02-12

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428337, 428336, 428339, 428516, 428520, 428522, 525496, 525221, B32B 2708, B32B 2732

Patent

active

041884418

ABSTRACT:
Flexible packaging films of high density polyethylene capable of forming easily openable heatseals can be made by coextruding a layer of the high density polyethylene adjacent to a layer of a blend of an ionomer and a copolymer of ethylene and vinyl acetate or an ester of acrylic and or methacrylic acid. Packages made from the films by forming a blend-to-blend heatseal can be opened by a force between one and five pounds per inch width.

REFERENCES:
patent: 3264272 (1966-08-01), Rees
patent: 3496061 (1970-02-01), Freshour et al.
patent: 3655503 (1972-04-01), Stanley et al.
patent: 3949135 (1976-04-01), Vercauteren
patent: 4098406 (1978-04-01), Otten et al.
The American College Dictionary; N.Y., Random, 1970., p. 128.

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