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Radiation-curable coatings and their use

  • US 6,332,291 B1
  • Filed: 12/17/1999
  • Issued: 12/25/2001
  • Est. Priority Date: 04/27/1998
  • Status: Expired due to Term
First Claim
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1. A coating composition which is curable by means of high-energy radiation, comprising:

  • A) oligomeric or polymeric compounds having a number average molecular weight of 300 to 1000, one or more free-radically polymerizable double bonds, and at least one further functional group reactive in a reaction selected from the group consisting of an addition reaction and a condensation reaction, B) oligomeric or polymeric compounds having a number average molecular weight of 300 to 1000, one or more free-radically polymerizable double bonds, and at least one additional functional group reactive in a reaction selected from the group consisting of an addition reaction and a condensation reaction, wherein the additional reactive functional group is complementary to or reactive towards the further reactive functional groups of component A), C) at least one compound selected from the group consisting of monomeric, oligomeric, and polymeric compounds having at least one functional group reactive for the purposes of a reaction selected from the group consisting of an addition reaction and a condensation reaction with the functional groups from component A) or component B), D) one or more photoinitiators as well as E) optionally, at least one of solvents, water, pigments, extenders and conventional lacquer additives, wherein component A) and component B) differ from each other and component C) contains no free-radically polymerizable double bonds.

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