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Poly(ureaurethane)s, articles and coatings prepared therefrom and methods of making the same

  • US 20070149747A1
  • Filed: 12/14/2006
  • Published: 06/28/2007
  • Est. Priority Date: 09/01/2004
  • Status: Active Grant
First Claim
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1. A poly(ureaurethane) comprising a reaction product of components comprising:

  • (a) at least one polyisocyanate selected from the group consisting of polyisocyanate trimers and branched polyisocyanates, the polyisocyanate having at least three isocyanate functional groups;

    (b) about 0.1 to about 0.9 equivalents of at least one polyol having 4 to 18 carbon atoms and at least 2 hydroxyl groups; and

    (c) at least one amine curing agent, wherein the reaction product components are essentially free of polyester polyol and polyether polyol.

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