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Multilayered barrier structures

  • US 5,407,713 A
  • Filed: 10/20/1993
  • Issued: 04/18/1995
  • Est. Priority Date: 12/18/1991
  • Status: Expired due to Fees
First Claim
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1. A multilayered structure comprising:

  • (a) a gas barrier layer having opposing sides, and comprising a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas;

    (b) at least one moisture barrier layer comprising a mesophase propylene-based material contacting at least one of the sides of the gas barrier layer; and

    (c) a graft layer affixed to at least a portion of the multilayered structure by a dosage of ionizing radiation.

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