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首次合成了非均相固载型杂多酸盐催化剂ＴｉＳｉＷ_（１２）Ｏ_（４０）／ＴｉＯ_２，并用ＩＲ、ＵＶ、ＸＲＤ对其催化剂进行了表征。研究了该催化剂在合成ＤＯＰ中的催化作用。实验表明，在合成ＤＯＰ的酯化反应中，ＴｉＳｉＷ_（１２）Ｏ_（４０）／ＴｉＯ_２具有极高的催化活性和选择性。
The heterogeneous solid-supported heteropoly acid salt catalyst TiSiW 12 O 40 / TiO 2 was synthesized for the first time. The catalysts were characterized by IR, UV and XRD. The catalysis of the catalyst in the synthesis of DOP was studied. The experimental results show that TiSiW 12 O 40 / TiO 2 has high catalytic activity and selectivity in the esterification of DOP.