Synthesis and properties of temperature-sensitive hydrogel membranesстатья
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 ноября 2013 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:142
Последняя страница:145
Аннотация:Mathematical modeling of network structures on a body-centered lattice was performed; it was demonstrated that their free volume is significantly controlled by the distance between the network junctions, whereas the effect of chain flexibility is less pronounced. Experimental investigation of the effect of the concentration of cross-linking agent and temperature on the structural parameters of N,N-diethylacrylamide copolymers cross-linked with N,N′-methylenebisacrylamide revealed that increasing the temperature from 20°C (this temperature is below the LCST of the copolymer) to 40°C (i.e., above the LCST) causes a significant (by 5-20 times) variation of equilibrium swelling and the volume of system; the decrease in M̄c is smaller (by 1.2-2 times) and coincides with the calculated data. Permeability of hydrogel films to various compounds was also measured.