方法：用氯仿作溶剂，在浴温条件下，4 羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
Methods:Chloroform being solvent, under bath heat, 4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.
双速压力泵更有利于浴槽密闭循环使用。
Baths include a two-speed pump for closed loop applications.
双凝固浴成膜方法可同时获得较厚的致密表面层和疏松多孔的支撑层。
The dense top layer as well as porous supporting layer can be made by duel-bath coagulation method simultaneously.
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