采用振动弦黏度/密度计对二乙二醇二甲醚的密度和黏度进行了实验测量,测量的温度范围为243.15～323.15 K,压力范围为0.1～20 MPa.实验系统密度和黏度测量的不确定度分别为±0.2%和±2%.利用得到的实验数据,分别拟合了二乙二醇二甲醚密度和黏度的关联方程.密度实验数据与关联方程的平均绝对偏差为O.07%,最大绝对偏差为0.19%.黏度实验数据与关联方程的平均绝对偏差为0.83%,最大绝对偏差为2.20%.并对实验数据和文献数据进行了比较.为二乙二醇二甲醚的应用研究提供了基础物性数据.
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