About: Anomalous Phenomena Occurring during Permeation and Sorption of C-1-C-6 Alcohol Vapors in Teflon AF 2400

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper reports on the anomalous diffusion of C-1-C-6 alcohol vapors in the high-free-volume, amorphous glassy perfluoropolymer Teflon AF 2400. In this material, during time lag measurements, the transient in the pressure increase curve of aliphatic alcohols exhibits a quite unusual behavior, different from the previously reported diffusion of permanent gases and that of other vapors (such as hydrocarbons, acetone, dichloromethane, etc.). In addition, we present a novel method for the treatment of raw sorption kinetic data recorded by a gravimetric sorption apparatus equipped with a calibrated quartz (McBain's) spiral balance. The mentioned treatment allows one to eliminate overlapping mechanical oscillations of the spiral balance (caused by the initial charging of the sample gas/vapor into the evacuated measuring chamber) and successfully reconstruct the real elongation of the spiral caused by gas/vapor sorption into a polymer material. This allows to calculate accurate values of the gas/vapor diffusion coefficients, even from highly noisy sorption data. This paper reports on the anomalous diffusion of C-1-C-6 alcohol vapors in the high-free-volume, amorphous glassy perfluoropolymer Teflon AF 2400. In this material, during time lag measurements, the transient in the pressure increase curve of aliphatic alcohols exhibits a quite unusual behavior, different from the previously reported diffusion of permanent gases and that of other vapors (such as hydrocarbons, acetone, dichloromethane, etc.). In addition, we present a novel method for the treatment of raw sorption kinetic data recorded by a gravimetric sorption apparatus equipped with a calibrated quartz (McBain's) spiral balance. The mentioned treatment allows one to eliminate overlapping mechanical oscillations of the spiral balance (caused by the initial charging of the sample gas/vapor into the evacuated measuring chamber) and successfully reconstruct the real elongation of the spiral caused by gas/vapor sorption into a polymer material. This allows to calculate accurate values of the gas/vapor diffusion coefficients, even from highly noisy sorption data. (en)
Title	Anomalous Phenomena Occurring during Permeation and Sorption of C-1-C-6 Alcohol Vapors in Teflon AF 2400 Anomalous Phenomena Occurring during Permeation and Sorption of C-1-C-6 Alcohol Vapors in Teflon AF 2400 (en)
skos:prefLabel	Anomalous Phenomena Occurring during Permeation and Sorption of C-1-C-6 Alcohol Vapors in Teflon AF 2400 Anomalous Phenomena Occurring during Permeation and Sorption of C-1-C-6 Alcohol Vapors in Teflon AF 2400 (en)
skos:notation	RIV/67985858:_____/13:00396055!RIV14-GA0-67985858
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED2.1.00/03.0084), P(GAP106/10/1194)
http://linked.open...iv/cisloPeriodika	31
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Izák, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	61316
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/13:00396055
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	intrinsic microporosity; gas separation; organic vapors (en)
http://linked.open.../riv/klicoveSlovo	gas separation intrinsic microporosity organic vapors
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[972515C4098A]
http://linked.open...i/riv/nazevZdroje	Industrial and Engineering Chemistry Research
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Membránové inovační centrum Separation of volatile organic compounds from air
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Friess, K. Izák, Pavel Jansen, J. C. Hynek, V. Bernardo, P. Hanta, V. Drioli, E. Poživil, J. Vopička, O. Zgažar, M.
http://linked.open...ain/vavai/riv/wos	000323018800009
issn	0888-5885
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/ie303013y

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