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    • 28. 发明授权
    • Production of polyesters in a continuous packed-bed reactor using immobilized enzyme catalysts
    • 在使用固定化酶催化剂的连续填充床反应器中生产聚酯
    • US08119763B2
    • 2012-02-21
    • US12240421
    • 2008-09-29
    • Jordan H. WosnickSantiago Faucher
    • Jordan H. WosnickSantiago Faucher
    • C08C19/20
    • C12P7/62C08G63/06C08G63/785C12P7/6436G03G9/08755
    • In accordance with various embodiments, there is a method of making a polyester. The method can include providing a monomer solution, the monomer solution including one or more cyclic esters in a concentration ranging from about 1 to about 100% and one or more solvents in a concentration ranging from about 99% to about 0%. The method of making a polyester can also include providing a packed-bed reactor including one or more immobilized enzymes, wherein the packed-bed reactor has an inlet and an outlet. The method can further include circulating the monomer solution through the packed-bed reactor to generate a solution enriched with polyester, such that the one or more immobilized enzymes convert the one or more cyclic esters to polyester in the packed-bed reactor during circulation and collecting the solution enriched with polyester exiting through the outlet.
    • 根据各种实施方案,有一种制备聚酯的方法。 该方法可以包括提供单体溶液,所述单体溶液包含浓度范围为约1至约100%的一种或多种环酯和浓度范围为约99%至约0%的一种或多种溶剂。 制备聚酯的方法还可以包括提供包含一种或多种固定化酶的填充床反应器,其中填充床反应器具有入口和出口。 该方法还可以包括使单体溶液循环通过填充床反应器以产生富含聚酯的溶液,使得一个或多个固定化酶在循环和收集期间将填料床反应器中的一种或多种环酯转化为聚酯 富含聚酯的溶液通过出口排出。