Freezing temperatures of aqueous solutions of hexamethylenetetramine with polyols,amides, and ethers |
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Authors: | Jan J Spitzer Sushil K Suri Robert H Wood |
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Institution: | (1) Research Development, Latex Division, Polysar Ltd., N7T 7N2 Sarnia, Ontario;(2) Chemistry Department, Indian Institute of Technology, 110016 New Delhi, India;(3) Department of Chemistry, University of Delaware, 19716 Newark, DE |
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Abstract: | Freezing temperatures of dilute aqueous solutions of hexamethylenetetramine and mixtures of hexamethylenetetramine with myo-inositol, d-mannitol, cyclohexanol, formamide, acetamide, 1,4-dioxane, and 1,3,5-trioxane have been measured. These data yield pairwise molecular Gibbs energies of interaction between the molecules in an aqueous solution. Using the additivity principle, the results also yield the pairwise functional group Gibbs energies of interaction in an aqueous solution for the amine nitrogen with itself and with the hydroxyl, amide, ether, and methylene groups. |
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Keywords: | Freezing points aqueous solutions group interactions hexamethylenetetramine inositol mannitol cyclohexanol formamide acetamide dioxane trioxane |
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