Multilayer bag structure for packaging

Details Multilayer bag structure for packaging Multilayer bag structure for packaging

1979-06-19

1981-05-05

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428516, 526125, B65D 3102, B32B 2708

Patent

active

042659493

ABSTRACT:
A multilayer bag structure having at least two laminated layers, the innermost layer being composed of a random copolymer of ethylene and an alpha-olefin having 5 to 10 carbon atoms, said copolymer having the following characteristics: (1) it has an ethylene content of 99.5 to 94 mole %, (2) it has a melt index at 190.degree. C. of 0.1 to 20, (3) it has a density of 0.915 to 0.940 g/cm.sup.3, (4) it has a p-xylene-soluble content (A) at 25.degree. C. of 0.5 to 5% by weight, (5) it has a boiling n-heptane-insoluble content (B) of not less than 8% by weight to less than 20% by weight, and (6) the total of (A) and (B) is not more than 20% by weight.

REFERENCES:
patent: 4071674 (1978-01-01), Kashiwa et al.
patent: 4123576 (1978-10-01), Kobayashi et al.

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