GPC法测定芳氧基聚磷腈Mr及其分布

以单分散性聚苯乙烯为标样,建立了凝胶渗透色谱(GPC)测定芳氧基聚磷腈相对分子质量(Mr)及其分布的方法。通过实验研究,确定了实验条件,对不同批次的芳氧基聚磷腈样品进行了测试,并对实验重复性进行了考察。实验结果表明,该方法准确性高,重现性好,有助于芳氧基聚磷腈性能的研究,为聚合反应工艺条件的控制和调整提供了依据。

Determination of M~ and Its Distribution of Polyaryloxyphosphazene by GPC Method

The method for determining relative molecular mass （Mr） and its distribution of polyaryloxy- phosphazene by gel permeation chromatography （GPC） method was established using the mono-dispersed polystyrene as standard sample. The experimental conditions were confirmed through experiment study. The different batch samples of polyaryloxyphosphazene were tested, and the repeatability of the experiments was investigated. The experiment results show that this method has high accuracy and good repeatability, is favorable to study the properties of polyaryloxyphosphazene, and provides the basis for controlling and adjusting the polymerization reaction process conditions.