Film and sheet capable of forming retortable and easy-open packa

Details Film and sheet capable of forming retortable and easy-open packa Film and sheet capable of forming retortable and easy-open packa

1988-12-16

1989-10-24

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428349, 428520, 428910, B32B 2708

Patent

active

048761567

ABSTRACT:
Films or sheets are fabricated from blends of an ethylenic homopolymer or copolymer, a butene-1 homopolymer or copolymer, and a propylene homopolymer or copolymer wherein the weight percent of the homopolymer or copolymer is equal or greater than 25 w % and is less that of the butuene-1 homopolymer or copolymer which result in good peel seal characteristics.

REFERENCES:
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patent: 3900534 (1975-08-01), Schard
patent: 4075290 (1978-02-01), Denzel et al.
patent: 4189519 (1980-02-01), Ticknor
patent: 4335224 (1982-06-01), Matsuura et al.
patent: 4336212 (1982-06-01), Yoshimura et al.
patent: 4339507 (1982-07-01), Kurtz et al.
patent: 4354004 (1982-10-01), Hughes et al.
patent: 4528220 (1985-07-01), Hwo
patent: 4539263 (1985-09-01), Hoh
patent: 4665130 (1987-05-01), Hwo
patent: 4666778 (1987-05-01), Hwo

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