A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

介绍了一种含环氧基聚酯的羟值测定方法，即乙酰氯法。

youdao

A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

介绍了一种含环氧基聚酯的羟值测定方法，即乙酰氯法。

youdao