The present invention relates to catalytic compositions for esterification, transesterification and polycondensation reactions, a process for the catalysis of said reactions employing such catalytic compositions and polyesters or resins obtainable by this process.
本发明涉及用于酯化、酯交换和缩聚反应的催化组合物、使用此类催化组合物催化上述反应的工艺以及通过该工艺可获得的聚酯或
树脂。