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Urethane-based stain-release coatings

  • US 6,646,088 B2
  • Filed: 03/26/2002
  • Issued: 11/11/2003
  • Est. Priority Date: 08/16/2000
  • Status: Active Grant
First Claim
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1. A chemical composition comprising:

  • one or more urethane oligomers of at least two repeating units selected from the group consisting of fluorine-containing urethane oligomers and long-chain hydrocarbon-containing urethane oligomers, wherein said oligomers comprise the reaction product of;

    (a) one or more polyfunctional isocyanate compounds;

    (b) one or more polyols;

    (c) one or more monoalcohols selected from the group consisting of fluorocarbon monoalcohols, optionally substituted long-chain hydrocarbon monoalcohols, and mixtures thereof;

    (d) one or more silanes of the following formula (I);

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