摘要
本文研究了聚乙二醇（ＰＥＧ）端羟基的化学转化方法，选择了酯化法，并对其制备工艺进行了研究。
The several methods of chemical conversion of the end hydroxyl ofpolyethylene glycol have been researched on,The best one of them has been selected and preparation conditions in the method have been discussed.
关键词
聚乙二醇
转化率
端羟基
化学转化
制备
polyethylene glycol
conversion ratio
active intermediate ofpolyethylene glycol
conditions
