An Intercomparison of Temperatures and Heats of Transition for Esters of Cholesterol
G. Jerry Davisa Polymer Science and Engineering , University of Massachusetts , Amherst , Massachusetts, 01002Roger S. Portera Polymer Science and Engineering , University of Massachusetts , Amherst , Massachusetts, 01002Edward M. Barralc IBM Corporation , San Jose, California, 95114
1970en
ABI
Abstract
Abstract Thermodynamic information on the aliphatic esters of cholesterol has recently been reported in a number of publications. Because of parallel publication, it has not been possible to develop intercomparisons between sets of data by different workers. In addition, new data are presented here on the temperatures and heats of transition for the odd carbon number aliphatic esters from C11 to C19. From this composite information, it has been possible to develop new and more complete correlations for each transition concerning entropy changes and odd-even effects as a function of ester molecular weight from the formate to the C20 ester.
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Cited by 30 references