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Surface modifying macromolecules with high degradation temperatures and uses thereof

  • US 20080228253A1
  • Filed: 12/14/2007
  • Published: 09/18/2008
  • Est. Priority Date: 12/14/2006
  • Status: Active Grant
First Claim
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1. A surface modifier of formula (I):


  • G-[B-A]n-B-G 



    (I)wherein(i) A is a soft segment comprising hydrogenated polybutadiene, poly (2,2 dimethyl-1-3-propylcarbonate), polybutadiene, poly(diethylene glycol)adipate, diethylene glycol-ortho phthalic anhydride polyester, or 1,6-hexanediol-ortho phthalic anhydride polyester;

    (ii) B is a hard segment comprising a urethane; and

    (iii) G is a surface active group,wherein n is an integer from 1 to 10 and said surface modifier has a thermal degradation temperature of between 250°

    C. and 345°

    C.

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