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Oxygen scavenging film with antifog properties

  • US 20040234797A1
  • Filed: 05/23/2003
  • Published: 11/25/2004
  • Est. Priority Date: 05/23/2003
  • Status: Abandoned Application
First Claim
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1. A multilayer film comprising:

  • a) a first outer layer comprising a blend of i) a polymer, and ii) an antifog agent;

    b) an internal layer comprising an oxygen scavenger; and

    c) a second outer layer comprising a polymer;

    wherein the antifog agent comprises a material selected from the group consisting of;

    i) glycerol fatty acid ester, ii) polyglycerol fatty acid ester, iii) polyethylene glycol fatty acid ester, iv) polyethylene glycol alkyl ether, v) ethoxylated alkyl phenol, vi) sorbitan ester, vii) ethoxylated sorbitan ester, and viii) alkanol; and

    wherein the first outer layer comprises more than 3% and less than 8%, by weight of the first outer layer, of antifog agent.

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