Polyesterols for producing rigid polyurethane foams

Polyesterols for producing rigid polyurethane foams

  • CN 104,736,599 A
  • Filed: 05/28/2013
  • Published: 06/24/2015
  • Est. Priority Date: 05/30/2012
  • Status: Active Application
First Claim
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1. a polyesterols, its reaction by following material obtainsB1) at least one of 10 to 70mol% is selected from the compound of following material:

  • terephthalic acid, dimethyl terephthalate (DMT), polyethylene terephthalate, Tetra hydro Phthalic anhydride, phthalic acid and m-phthalic acid,B2) fatty acid triglycercide of 0.8 to 4.5mol%,B3) glycol being selected from following material of 10 to 70mol%;

    ethylene glycol, Diethylene Glycol and polyoxyethylene glycol,B4) functionality of 5 to 50mol% is the polyether glycol of more than 2,The wherein polyesterols B of every kg) use the components b 4 of at least 200mmol),Wherein, components b

         1) to b4) total amount count 100mol%.

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