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、转酯化和聚合反应的催化组合物,以及使用这种催化组合物催化该反应的过程和可由该过程获得的聚酯或
树脂。