A composition and a process for producing an ester or polyester are provided. The composition comprises a titanium compound and clay or a dispersion of clay. The process comprises contacting a carbonyl compound, in the presence of a catalyst, with a glycol in which the catalyst comprises a titanium compound and clay or a dispersion of clay.
提供了一种生产酯或聚酯的组合物和工艺。组合物由
钛化合物和粘土或粘土分散体组成。该工艺包括在催化剂存在下,将羰基化合物与
乙二醇接触,其中催化剂包括
钛化合物和粘土或粘土分散体。