Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1981-11-27
1983-06-28
Thomas, Alexander S.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624411, 15624424, 156253, 264514, 525240, 428516, 428349, 428910, B32B 3116
Patent
active
043903851
ABSTRACT:
A heat sealable and shrinkable, coextruded, multi-layer packaging film having a propylene homopolymer base layer and a skin layer of a preferred blend of 60% to 80% propylene-ethylene copolymer with propylene homopolymer provides a sealing temperature range of up to 30.degree. C.
REFERENCES:
patent: 3220966 (1965-11-01), Flanagan
patent: 3285766 (1966-11-01), Barkis et al.
patent: 3671383 (1968-11-01), Sakata et al.
patent: 3983258 (1976-09-01), Weaver
patent: 4132050 (1979-01-01), Young
patent: 4148972 (1979-04-01), Yamane et al.
Esakov Michael D.
Ferguson Daniel J.
Stringer Frederick D.
Harps Joseph P.
Lee, Jr. William D.
Thomas Alexander S.
Toney John J.
W. R. Grace & Co., Cryovac Div.
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