醋酸酐室温酰化法测定聚酯多元醇中羟值的含量  

Determination of hydroxyl value of polyester polyol by acylation of acetic anhydride at room temperature

作　　者：苏义华 

机构地区：[1]黑龙江省化工研究院,黑龙江哈尔滨150078

出　　处：《化学工程师》2011年第3期19-20,共2页Chemical Engineer

摘　　要：本文介绍了利用醋酸酐室温酰化法测定聚酯多元醇中的羟值含量。讨论了水含量、称样量、酰化温度的控制、滴加速度等对测定结果的影响。严格按照实验条件做,此法是一种既简便又快速的测定方法。The determination of hydroxyl value of polyester polyol by acylation of acetic anhydride at room temperature was introduced.The effect factors of water content,sample weight,acylation temperature control,dropping speed to the results were discussed.The method is simple and fast strict to the conditions.

关 键 词：醋酸酐 室温 酰化法 测定 聚酯多元醇 羟值 

分 类 号：TQ223.16[化学工程—有机化工]