A polycondensate obtainable by reacting: (a) a carboxyl-terminated oligomeric condensation product of (a1) a polyol comprising at least three hydroxyl groups, wherein at least two of these hydroxyl groups are primary hydroxyl groups, and (a2) a dicarboxylic acid, and (b) a diol, comprising two primary hydroxyl groups, wherein the condensation reaction between (a) and (b) is catalyzed by an enzyme. Furthermore, the present invention provides a method of producing such a polycondensate and adhesive compositions comprising said polycondensate.
一种可通过以下反应获得的聚缩合物:(a)(a1)包含至少三个羟基(其中至少两个羟基为伯羟基)的多元醇和(a2)二
羧酸的羧基封端低聚缩合产物,以及(b)包含两个伯羟基的二元醇,其中(a)和(b)之间的缩合反应由酶催化。此外,本发明还提供了生产这种缩聚物的方法和包含所述缩聚物的粘合剂组合物。