Molecular association in polyethylene glycol II. Light scattering studies |
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| Authors: | K Ghosh B C Chatterjee A Sarkar |
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| Institution: | (1) Department of Agricultural Chemistry, Calcutta University, 35 Ballygunge Circular Road, 700019 Calcutta, India;(2) Present address: IPIRI, Bangalore-22, India |
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| Abstract: | Summary The present light scattering measurements reaffirm the fact that the polyethylene glycol molecules are associated in aqueous solution through the formation of both intra- and inter-molecular hydrogen bonds. The rupture of such association by the addition of either urea or thiourea is also noticed.
Zusammenfassung Die hier vorliegenden Lichtstreuungsmessungen bekräftigen die Tatsache, daß Polyäthylenglykol-Moleküle in wäßrigen Lösungen durch Bildung von intraund inter-molekularen Wasserstoffbrücken assoziiert sind. Durch Hinzufügen von Harnstoff und Thioharnstoff brechen diese Brücken auf.
With 1 figure and 1 table |
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