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Antistat coated films

  • US 4,642,263 A
  • Filed: 12/18/1984
  • Issued: 02/10/1987
  • Est. Priority Date: 12/18/1984
  • Status: Expired due to Fees
First Claim
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1. An oriented self-supporting plastic film having a thin continuous antistatic coating on one or both sides thereof, said coating comprising a mixture of:

  • (a) about 15% to about 50% by weight of a quaternary ammonium salt having the formula;

    ##STR5## wherein;

    R is a lower alkyl group having 1 to 3 carbon atoms;

    R'"'"' is an alkyl or alkenyl radical having from about 8 to 20 carbon atoms;

    X- is an anion; and

    (b) about 85% to about 50% by weight of a polymeric binder;

    said coating being present in an amount effective to provide a film having a surface resistivity not greater than about 1013 ohms.

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