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Anchored polysiloxane-modified polyurethane coatings and uses thereof

  • US 8,604,152 B2
  • Filed: 09/13/2012
  • Issued: 12/10/2013
  • Est. Priority Date: 06/11/2007
  • Status: Active Grant
First Claim
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1. A polymeric material formed from reactants which comprise:

  • polyorganosiloxane having two or more reactive functional groups attached to only a single end of the polyorganosiloxane;

    wherein the reactive functional groups are hydroxyl alkyl carbamate groups or amino groups;

    wherein the polyorganosiloxane constitutes about 5 to 30 wt. % (on a solids basis) of the total weight of the reactants;

    about 30 wt. % to 85 wt. % polyisocyanate (on a solids basis) of the total weight of the reactants; and

    polyol.

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