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Solvent-free, radiation-curable, optical glass fiber coating composition and solvent-free method for making a solvent-free, radiation-curable, optical glass fiber coating composition

  • US 5,847,021 A
  • Filed: 11/01/1996
  • Issued: 12/08/1998
  • Est. Priority Date: 11/03/1995
  • Status: Expired due to Fees
First Claim
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1. A radiation curable, optical glass fiber coating composition containing:

  • a) a urethane-containing polymer, with a vinyl addition polymer backbone, having at least one functional group capable of polymerization in the presence of actinic radiation and an average functionality of at least about 1.2;

    b) a urethane compound, with a hydrocarbon, a polyether, a polyester, a polycarbonate, a silicone or a fluorocarbon backbone, having at least one functional group capable of polymerization in the presence of actinic radiation and an average functionality of at least about 1; and

    c) a reactive diluentwherein said urethane-containing polymer is derived from a solvent-free urethane-forming reaction.

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