Method for producing highly functional, hyper branched polyester by means of enzymatic esterification
    13.
    发明申请
    Method for producing highly functional, hyper branched polyester by means of enzymatic esterification 失效
    通过酶促酯化制备高功能,超支化聚酯的方法

    公开(公告)号:US20060211842A1

    公开(公告)日:2006-09-21

    申请号:US11405426

    申请日:2006-04-18

    IPC分类号: C08G63/00 C08G63/02

    摘要: The present invention relates to a process for preparing highly functional hyperbranched polyesters which comprises reacting a reaction solution comprising solvent and (a) one or more dicarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (b) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more diols (c) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (d) or one or more di- or polyhydroxycarboxylic acids (e) or one or more hydroxydi- or hydroxypolycarboxylic acids or mixtures of at least two of the above reaction solutions in the presence of an enzyme at temperatures above 60° C. and pressures above 500 mbar

    摘要翻译: 本发明涉及一种制备高功能性超支化聚酯的方法,其包括使包含溶剂的反应溶液与(a)一种或多种二羧酸或其一种或多种衍生物与一种或多种至少三官能醇(b)或一种或多种 更多的三羧酸或更高级的多元羧酸或其一种或多种衍生物与一种或多种二醇(c)或一种或多种三羧酸或更高级的多元羧酸或其一种或多种衍生物与一种或多种至少三官能醇(d)或一种 或更多的二羟基羧酸或多羟基羧酸(e)或一种或多种羟基二羟基或羟基多羧酸或至少两种上述反应溶液的混合物在温度高于60℃和高于500毫巴的压力下在酶存在下

    Method for producing highly functional, hyper branched polyester by means of enzymatic esterification
    19.
    发明授权
    Method for producing highly functional, hyper branched polyester by means of enzymatic esterification 失效
    通过酶促酯化制备高功能,超支化聚酯的方法

    公开(公告)号:US07081509B2

    公开(公告)日:2006-07-25

    申请号:US10497535

    申请日:2002-12-18

    IPC分类号: C08G63/00

    摘要: The present invention relates to a process for preparing highly functional hyperbranched polyesters which comprises reacting a reaction solution comprising solvent and (a) one or more dicarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (b) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more diols (c) or one or more tricarboxylic acids or higher polycarboxylic acids or one or more derivatives thereof with one or more at least trifunctional alcohols (d) or one or more di- or polyhydroxycarboxylic acids (e) or one or more hydroxydi- or hydroxypolycarboxylic acids or mixtures of at least two of the above reaction solutions in the presence of an enzyme at temperatures above 60° C. and pressures above 500 mbar.

    摘要翻译: 本发明涉及一种制备高功能性超支化聚酯的方法,其包括使包含溶剂的反应溶液与(a)一种或多种二羧酸或其一种或多种衍生物与一种或多种至少三官能醇(b)或一种或多种 更多的三羧酸或更高级的多元羧酸或其一种或多种衍生物与一种或多种二醇(c)或一种或多种三羧酸或更高级的多元羧酸或其一种或多种衍生物与一种或多种至少三官能醇(d)或一种 或更多的二羟基羧酸或多羟基羧酸(e)或一种或多种羟基二羟基或羟基多羧酸或至少两种上述反应溶液的混合物在酶存在下在高于60℃的温度和高于500毫巴的压力下进行。