环丁砜与某些碳八芳烃分子络合作用的研究

本文用气液色谱法及混合过程体积的变化研究C₈芳烃与环丁砜的分子络合作用,用参考柱法和混合柱法测定了五种C₈芳烃与环丁砜的络合常数,研究了C₈芳烃与环丁砜和丙二醇-1,2-碳酸酯的二元系超额体积,环丁砜与五种C₈芳烃构成的体系均有强烈的体积收缩效应,苯乙烯与环丁砜体系尤其明显,芳烃与丙二醇-1,2-碳酸酯构成的体系收缩程度远远低于前者。

THE MOLECULAR COMPLEXATION BETWEEN SOME C8 AROMATICS AND SULFOLANE

The methods of gas-liquid chromatography and volume change on mixing have been applied to study molecular complexation between some C₈ aromatics and sulfolane. The equilibrium constants of complexes of the aromatic with sulfolane have been measured by both reference stationary phase method and mixed stationary phase method. The volume change on mixing for binary systems of sulfolane with five C₈ aromatics especially for the system of sulfolane with styrene, are all negative. The volume effect of binary systems of propylene carbonate with C₈ aromatics are also contracted but the extent of contraction are far lower than the former.