Film from mixture of ethylene polymer, butene polymer, propylene

Details Film from mixture of ethylene polymer, butene polymer, propylene Film from mixture of ethylene polymer, butene polymer, propylene

1991-07-15

1992-02-11

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

2641761, 428516, 428520, 525227, 525240, C08L 2320

Patent

active

050876678

ABSTRACT:
Films or sheets are fabricated from blends of an ethylenic homopolymer or copolymer, a butene-1 copolymer, and a propylene homo-polymer or copolymer which result in good peel seal characteristics, and wherein such films or sheets will bond to a polypropylene substrate in a laminar structure by extrusion lamination without the need for an adhesive.

REFERENCES:
patent: 3900534 (1975-08-01), Schard
patent: 4075290 (1978-02-01), Denzel et al.
patent: 4188350 (1980-02-01), Vicik
patent: 4189519 (1980-02-01), Ticknor
patent: 4335224 (1982-06-01), Matsuura et al.
patent: 4336212 (1982-01-01), Yashimura et al.
patent: 4339507 (1982-01-01), Kurtz et al.
patent: 4554321 (1985-11-01), Hwo
patent: 4665130 (1987-05-01), Hwo
patent: 4701496 (1987-10-01), Yoshimura

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