Heat sealable polyvinyl chloride films

Details Heat sealable polyvinyl chloride films Heat sealable polyvinyl chloride films

2007-02-13

2007-02-13

Dye, Rena (Department: 1774)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S035200, C428S035700, C428S036600, C428S036910, C428S220000

Reexamination Certificate

active

10429054

ABSTRACT:
A heat sealable film for use in food packaging comprises a resin composition comprising vinyl chloride homopolymer, vinyl chloride-vinyl acetate copolymer and plasticizer in an amount greater than about 15% by weight of the resin composition. In one embodiment, the film is adapted to provide a controlled oxygen transmission of at least 500 cc/in2/24 hours. The embodiment is also adapted to heat seal on conventional packaging equipment.

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