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Antistatic coated polyester film

  • US 4,214,035 A
  • Filed: 01/31/1979
  • Issued: 07/22/1980
  • Est. Priority Date: 01/31/1979
  • Status: Expired due to Term
First Claim
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1. A biaxially oriented polyester film comprising a polyester film support coated on one side with a latex coating, said coating including:

  • stearamidopropyldimethyl-β

    -hydroxy-ethylammonium nitrate, present in a concentration in the range of between 2.75% and 3.25% by weight, based on the total weight of the latex coating; and

    a crosslinkable methylmethacrylate-ethyl acrylate-methacrylamide terpolymer, having a glass transition temperature in the range of between about 40°

    C. and 50°

    C., present in a concentration in the range of between about 0.75% and 1.25% by weight based on the total weight of the latex coating wherein the weight ratio of said stearamidopropyldimethyl-β

    -hydroxy-ethylammonium nitrate to said crosslinkable methylmethacrylate-ethyl acrylate-methacrylamide terpolymer is in the range of between about 2.75;

    1 and 3.25;

    1.

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