Vinylidene chloride film with controlled gas permeability

Details Vinylidene chloride film with controlled gas permeability Vinylidene chloride film with controlled gas permeability

1994-11-18

1996-07-23

Sluby, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428414, 428516, 428518, 428520, 428910, 524306, B29D 2200, B32B 2738, C08L 2708

Patent

active

055387705

ABSTRACT:
An extrudable vinylidene chloride composition is useful in packaging films where controlled CO.sub.2 and O.sub.2 transmission rates benefit the packaging of products such as gassing cheese. The compositon, and film made therefrom, comprises 100 parts by weight of at least one vinylidene chloride copolymer; between 4 and 15 parts by weight of a plasticizer; and between 4 and 15 parts by weight of an acrylate/styrene copolymer; wherein the total amount of plasticizer and acrylate/styrene copolymer comprises at least 9 parts by weight.

REFERENCES:
patent: 3741253 (1973-06-01), Brax et al.
patent: 4112181 (1978-09-01), Baird, Jr. et al.
patent: 5202188 (1993-04-01), Bekele

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