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CATALYSTS AND METHODS FOR POLYESTER PRODUCTION

  • US 20150368394A1
  • Filed: 06/27/2013
  • Published: 12/24/2015
  • Est. Priority Date: 06/27/2012
  • Status: Abandoned Application
First Claim
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1. A method for the copolymerization of an epoxide and carbon monoxide comprising the steps of:

  • a) providing an epoxide;

    b) contacting the epoxide with carbon monoxide in the presence of a metal carbonyl compound and a polymerization initiator wherein the epoxide is provided in a molar excess relative to the polymerization initiator, and the polymerization initiator is provided in a molar excess relative to the metal carbonyl compound; and

    c) producing a polyester product comprising a polymer of formula

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