K. Suenaga, T. Matsuo, H. Suga
Jun 29, 1990
Citations
0
Influential Citations
18
Citations
Journal
Thermochimica Acta
Abstract
Abstract Heat capacities of trimethylolethane (TME) have been measured between 18 and 375 K. The substance underwent a first-order phase transition at 358.2 K. The enthalpy and entropy of the transition were 21.24 kJmol −1 and 59.3 JK −1 mol −1 , respectively. The purity of the sample was determined to be 99.96 % by DSC measurement of the melting peak. The plastically crystalline phases of TME, pentaerythritol (PE) and neopentylglycol (NPG), were discussed in relation to the orientational and internal disorder of the molecules in the cubic phase.