Anti-fogging multilayered film and bag produced therefrom for pa

Details Anti-fogging multilayered film and bag produced therefrom for pa Anti-fogging multilayered film and bag produced therefrom for pa

1989-03-21

1990-09-11

Seidleck, James

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

383109, 426106, 426127, 428 354, 428347, B65D 3002

Patent

active

049562096

ABSTRACT:
An anti-fogging multilayered film suitable for packaging fresh vegetables and fruits comprising a base layer and at least one surface layer containing an anti-fogging agent, said film having a water vapor transmission of 15 to 200 g/m.sup.2 .multidot.24 hr.multidot.40.degree. C., an oxygen permeability of 3,000 to 35,000 cc/m.sup.2 .multidot.24 hr.multidot.atm.multidot.20.degree. C..multidot.90% RH, and a carbon dioxide permeability of 12,000 to 130,000 cc/m.sup.2 .multidot.24hr.multidot.atm.multidot.20.degree. C..multidot.90% RH, and said anti-fogging surface layer having heat sealing properties. A packaging bag produced from this film is also disclosed.

REFERENCES:
patent: 4001443 (1977-01-01), Dave
patent: 4066811 (1978-01-01), Naito
patent: 4224347 (1980-09-01), Woodruff
patent: 4341825 (1982-07-01), Kemski
patent: 4486552 (1984-12-01), Niemann
patent: 4565738 (1986-01-01), Purdy
patent: 4671987 (1987-06-01), Knott, II et al.

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