Molecular Interaction Studies with Zinc Stearate, Calcium Stearate and Ethylene Glycol | Abstract

ISSN ONLINE(2319-8753)PRINT(2347-6710)

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Molecular Interaction Studies with Zinc Stearate, Calcium Stearate and Ethylene Glycol

Abstract

Industry demands reliable and accessible reference data on the physical and chemical properties of a wide variety of binary mixtures. These data are required in the development of models for process design, energy efficiency and in the evaluation of possible environmental impacts. The study of molecular interaction in the solid - liquid mixtures is of considerable importance in the elucidation of the structural properties of the molecules. The intermolecular interactions influence the structural arrangement along with the shape of the molecules. The components capable of undergoing specific interaction exhibit significant deviation from ideal behaviour, arising not only from the difference in molecular size and shape but also due to the structural changes. Speed of sound have been measured as a function of composition for binary mixtures of stearates (zinc stearate and calcium stearate) and ethylene glycol were studied along with density and viscosity values, a comprehensive understanding of the molecular interactions in the binary mixture is thus only possible from the measurements of various physico – chemical properties and treating the excess functions derived there from [1]. Inspite of this interesting consideration, the concrete studies on the excess functions of zinc stearate – ethylene glycol and calcium stearate – ethylene glycol mixtures are studied. The results have been discussed in terms of molecular interactions. The aim of this work was also to find out if there are any structural peculiarities in solutions of stearate and glycol.

C. Ravichandran ,R. Kavitha, S. Jayakumar, R. Anusa

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