Low density polyethylene toughened with ethylene/propylene copol

Details Low density polyethylene toughened with ethylene/propylene copol Low density polyethylene toughened with ethylene/propylene copol

1976-08-12

1978-10-31

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260897A, C08L 2316

Patent

active

041234170

ABSTRACT:
The toughness of low density polyethylene film is increased by incorporating therein a small amount of an ethylene-propylene copolymer containing between about 65 and about 85 percent ethylene and having between about 1 percent and about 20 percent crystallinity. When the film is to be subjected to relatively high temperature storage, as in a warehouse, blocking is avoided by the addition of between about 0.5 and about 5 weight percent finely-divided filler. Seal performance of low density polyethylene film was significantly improved by incorporating the ethylenepropylene copolymer.

REFERENCES:
patent: 3157614 (1964-11-01), Fischer
patent: 3261889 (1966-07-01), Van't Wout
patent: 3299194 (1967-01-01), Golike
patent: 3592881 (1971-07-01), Ostapchenko

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