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用ＤＳＣ研究了ＨＡＮ－Ｈ２Ｏ二元体系的玻璃化转变温度Ｔｇ与Ｈ２Ｏ含量的关系，发现在一定的Ｈ２Ｏ含量范围内，玻璃化转变温度具有依数性。根据Ｔｇ的变化规律初步推测该二元体系的分子结构，认为ＨＡＮ－Ｈ２Ｏ二元体系可随Ｈ２Ｏ含量的不同而形成ＨＡＮ／Ｈ２Ｏ摩尔比不同的分子簇，而一个ＨＡＮ分子最多能与三个Ｈ２Ｏ分子形成分子簇，当Ｈ２Ｏ含量８超过７５ｍｏｌ％（ＨＡＮ／Ｈ２Ｏ摩尔比为１／３）时，只能形成ＨＡＮ／Ｈ２Ｏ摩尔比为２／３的稳定分子簇。
The relationship between glass transition temperature (Tg) and H 2 O content of HAN-H 2 O binary system was studied by DSC. It was found that the glass transition temperature has an ordinal number within a certain range of H 2 O content. According to the variation law of Tg, the molecular structure of the binary system is preliminarily estimated. It is considered that the HAN-H2O binary system can form molecular clusters with different molar ratios of HAN / H2O with different H 2 O content, and one HAN molecule can combine with three H 2 O When the content of H2O is more than 75mol% (molar ratio of HAN / H2O is 1/3), only molecules with stable HAN / H2O molar ratio of 2/3 can be formed.