内酯化作用;lactonization 油脂酯交换;interesterification of oils and fats 酯交换法聚碳酸酯;熔融法聚碳酸酯;transesterification process polycarbonate ..
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油脂酯交换催化剂有：常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
综述了固体碱催化剂的种类及其特点，讨论了固体碱催化剂在油脂酯交换反应中的应用。
The variety and characteristics of solid base catalyst were summarized. And the application of solid base catalyst in the transesterification of lipid was discussed.
酯交换是油脂改性主要方法之一，使用催化剂可降低反应温度，加快反应速度。
Transesterification is one of main methods of oil modification. Catalysts are used to decrease reaction temperature, accelerate reaction velocity.
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