ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Effect of Isothermal Compression of Polymer on its Diffusion Properties

M. Pisarčík and Ľ. Lapčík

Department of Printing Art and Applied Photochemistry, Faculty of Chemical Technology, Slovak Technical University, CS-812 37 Bratislava

 

Abstract: The results of the interphase diffusion in the system hydroxyethylcellulose film-water as a function of solid polymer compression are discussed. The experimental technique is briefly described and the possible swelling mechanism is proposed. The pressure dependence of the diffusion coefficient is divided into two regions: the one of elastic and the other of permanent polymer chain deformation. The change to permanent deformation is controlled by deformation time or by values of the external pressure.

Full paper in Portable Document Format: 471a19.pdf

 

Chemical Papers 47 (1) 19–22 (1993)

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