Polyurethane wood substitution composition

Polyurethane wood substitution composition

  • CN 103,665,313 A
  • Filed: 09/07/2012
  • Published: 03/26/2014
  • Est. Priority Date: 09/07/2012
  • Status: Active Application
First Claim
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1. urethane is for a wooden composition, and described urethane comprises for wooden composition:

  • (a) one or more organic multiple isocyanates;

    (b) one or more polyether glycols, the functionality of described polyether glycol is 2-6, hydroxyl value is 100-700;

    Described one or more polyether glycols are oxirane compound and not homopolymerization and/or the copolymerization product of the polyol compound of amino-contained;

    (c) one or more aliphatic polyester polyols, the hydroxyl value of described one or more aliphatic polyester polyols is 100-500, functionality 2-4;

    (d) one or more optional thixotropic agent;

    (e) one or more dehumidiziers optionally;

    With(f) one or more microballoons optionally, the density of described microballoon is 20-500kg/m 3.

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