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。
The product controls the HLB value of synthesized surfactant by adjusting the epoxy ethane adduct number of the fatty alcohol polyoxyethylene ether.
该产品通过调整脂肪醇聚氧乙烯醚的环氧乙烷加成数来控制所合 成的表面活性剂的HLB值。
Some factors which had influence on the epoxy value of product, such as the amounts of formic acid and hydrogen peroxide, drip feed speed, catalyst, reaction temperature, reaction time were discussed.
讨论了甲酸用量、 双氧水用量及滴加速度、 催化剂用量、反应温度、反应时间等对产物环氧值的影响。
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