SUBLIMATION MEASUREMENTS ON PLASTIC CRYSTALS - INFLUENCE OF THE HYDROXYL GROUP ON THE SUBLIMATION ENTHALPY AND VAPOR-PRESSURE

被引：15

作者：

FONT, J

MUNTASELL, J

机构：

[1] Dept. de Fisica i Enginyeria Nuclear Universitat Politècnica de Catalunya, 08028 Barcelona, Avda. Diagonal

来源：

MATERIALS RESEARCH BULLETIN | 1994年 / 29卷 / 10期

关键词：

PLASTIC CRYSTALS; POLYOLS;

D O I：

10.1016/0025-5408(94)90092-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sublimation enthalpy and vapour pressure measurements have been carried out in plastic crystals of the Neopentane serie having CH2OH group ( polyols ). Heat capacity determinations allow to compare the sublimation enthalpies , at the transition temperature of crystalline to plastic phase, with the values calculated by means of the group additivity method. From this comparison we have estimate a value of 18 kJ/mol for the OH hydrogen bond energy.

引用

页码：1091 / 1100

页数：10

共 24 条

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