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Air-drying coating compositions

  • US 4,253,918 A
  • Filed: 06/16/1975
  • Issued: 03/03/1981
  • Est. Priority Date: 06/20/1974
  • Status: Expired due to Term
First Claim
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1. An air-drying coating composition hardenable by UV-light comprising the product of reaction, at a temperature of 20°

  • to 90°

    C. and in the presence of 0.001 to 0.1% by weight, based on the total compositions, of a polymerization inhibitor, of a polyepoxide with 0.01 to 0.5 NH-equivalents, based on the epoxide equivalent, of at least one nitrogen compound selected from the group consisting of ammonia, and aliphatic and cycloaliphatic primary and secondary amines, which intermediate product has subsequently been reacted with 0.99 to 0.5 carboxyl equivalents, based on one epoxide equivalent, of at least one member selected from the group consisting of acrylic acid and methacrylic acid, at least 60% of the epoxide groups of said polyepoxide having been so reacted.

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