Gas diffusion in polymer solutions: a double-cone flow technique

Mashelkar, R. A. ; Soylu, M. (1982) Gas diffusion in polymer solutions: a double-cone flow technique Journal of Applied Polymer Science, 27 (2). pp. 697-708. ISSN 0021-8995

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/app.198...

Related URL: http://dx.doi.org/10.1002/app.1982.070270232

Abstract

A new double-cone flow technique for an experimental investigation of gas diffusion in polymer solutions is described. A theoretical development of the pertinent convective diffusion problem for the flow of a non-Newtonian fluid over the double cone is presented. Experimental investigation of diffusion of carbon dioxide in aqueous solutions of certain polymers was carried out. The diffusion coefficient deduced from this work shows a marginal enhancement over its value in pure solvent. Possible mechanistic explanations for this phenomenon are explored.

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Deposited On:23 Nov 2010 08:09
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