NDLI: Influence of polyvinylpyrrolidone on morphology, hydrophilicity, and performance of polyethersulfone microfiltration membranes

Content Provider	Springer Nature Link
Author	Astakhov, E. Yu. Kolgav, I. M. Klinshpont, E. R. Tsarin, P. G. Kalacheva, A. A.
Copyright Year	2012
Abstract	The influence of an admixture of polyvinylpyrrolidone (PVP) with different molecular weights on the morphology and properties of polyethersulfone (PES) membranes prepared via water vapor-induced phase inversion followed by immersion in water has been studied. Membrane structure alteration by PVP addition to the casting solution has been observed by means of SEM. The contact angle on monolithic PES films varies from 78° to 54° depending on the PVP content. By Fourier-transform IR spectroscopy, it has been revealed that an increase in molecular weight of PVP leads to an increase in its residual content in the membranes. It has been shown that the addition of PVP with a molecular weight close to that of PES hardly has a significant effect on the permeability and tensile strength of the membranes regardless of the PVP content. However, the introduction of high-molecular-weight PVP leads to a decrease in the pore size and permeability of the membranes as a result of change in viscosity of the solution.
Starting Page	557
Ending Page	564
Page Count	8
File Format	PDF
ISSN	09655441
Journal	Petroleum Chemistry
Volume Number	52
Issue Number	8
e-ISSN	15556239
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2013-01-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	membranes polyethersulfone polyvinylpyrrolidone morphology hydrophilicity Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Geochemistry and Petrology Fuel Technology Chemical Engineering Energy Engineering and Power Technology

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