Oxygen-permeable multilayer film containing antifog agent and pa

Details Oxygen-permeable multilayer film containing antifog agent and pa Oxygen-permeable multilayer film containing antifog agent and pa

1995-10-13

1999-10-05

Le, Hoa T.

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

53455, 428 352, 428 354, 428 367, 428218, 428516, 428517, 428910, B29D 2300, B32B 702

Patent

active

059620927

ABSTRACT:
A multilayer film comprises: a first layer comprising a first homogeneous ethylene/alpha-olefin copolymer; a second layer comprising a polyolefin; and a third layer comprising a second homogeneous ethylene/aipha-olefin copolymer. The second layer is between the first layer and the third layer, the second layer is chemically different from the first layer and the third layer, and the multilayer film has an O.sub.2 -transmission rate of from about 500 to 50,000 cc/m.sup.2 /24 hr STP. One outer layer of the film comprises an antifog agent on the outer surface thereof. Also disclosed is a package made from the film. The film is especially suitable for the packaging of oxygen-sensitive products, such as lettuce, and resists fogging up on the inside surface of the film forming the package. Preferably, the package has printing on the outside surface of the film, with the print having good adhesion to the film.

REFERENCES:
patent: 4532753 (1985-08-01), Kovacs
patent: 4876146 (1989-10-01), Isaka et al.
patent: 5491019 (1996-02-01), Kuo
Bedrucken von Kunststoffen (G. Kuhne); Huthig Buch Verlag, Heidelberg (DE); pp. 16-19, 121-127 (1990).
Derwent Abstract 56019754 Feb. 24, 1981 Japan.
Derwent Abstract 07258481 Oct. 9, 1995 Japan.

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