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Modelling of vapour sorption in polar materials : Comparison of Flory-Huggins and related models with the ENSIC mechanistic approach

Identifieur interne : 000C55 ( PascalFrancis/Corpus ); précédent : 000C54; suivant : 000C56

Modelling of vapour sorption in polar materials : Comparison of Flory-Huggins and related models with the ENSIC mechanistic approach

Auteurs : A. Jonquieres ; L. Perrin ; A. Durand ; S. Arnold ; P. Lochon

Source :

RBID : Pascal:98-0442681

Descripteurs français

English descriptors

Abstract

This work focuses on the analysis of organic vapour sorption in polymer systems strongly deviating from ideality. The sorption of three different types of organics (i.e. alcohol, ether, ester) in polyurethaneimide block copolymers has been investigated using a microgravimetric technique over the entire activity range. For all the polyurethaneimides, sorption increases in the following order: ETBE

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0376-7388
A02 01      @0 JMESDO
A03   1    @0 J. membr. sci.
A05       @2 147
A06       @2 1
A08 01  1  ENG  @1 Modelling of vapour sorption in polar materials : Comparison of Flory-Huggins and related models with the ENSIC mechanistic approach
A11 01  1    @1 JONQUIERES (A.)
A11 02  1    @1 PERRIN (L.)
A11 03  1    @1 DURAND (A.)
A11 04  1    @1 ARNOLD (S.)
A11 05  1    @1 LOCHON (P.)
A14 01      @1 Laboratoire de Chimie-Physique Macromoléculaire, CNRS UMR 7568, ENSIC, 1 rue Grandville, BP 451 @2 54001 Nancy @3 FRA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut.
A20       @1 59-71
A21       @1 1998
A23 01      @0 ENG
A43 01      @1 INIST @2 17232 @5 354000070010510060
A44       @0 0000 @1 © 1998 INIST-CNRS. All rights reserved.
A45       @0 32 ref.
A47 01  1    @0 98-0442681
A60       @1 P
A61       @0 A
A64   1    @0 Journal of membrane science
A66 01      @0 NLD
C01 01    ENG  @0 This work focuses on the analysis of organic vapour sorption in polymer systems strongly deviating from ideality. The sorption of three different types of organics (i.e. alcohol, ether, ester) in polyurethaneimide block copolymers has been investigated using a microgravimetric technique over the entire activity range. For all the polyurethaneimides, sorption increases in the following order: ETBE<EtOH<AcOEt. A further analysis in terms of the Flory-Huggins (FH) theory generally shows a great discrepancy between experimental and calculated sorption values. This quasi-systematic failure could be ascribed to a fairly strong dependence of FH interaction parameter x towards penetrant concentration, which cannot be accounted for by the FH theory. A theoretical modification of the FH theory, previously reported by Koningsveld and Kleintjens to account for the variation by a three-parameter law, was shown to be really efficient for sorption modeling over the entire activity range. Despite a systematic divergence for the very low sorption levels, an empirical modification of the FH theory using a power law x=aø could also be an interesting alternative which requires only two parameters for a fairly good modeling for activities higher than 0.1-0.2. Considering the sorption phenomenon as a mechanical anisotropic process, the recent ENSIC approach, reported by Favre et al., proved its striking efficiency allowing the sorption modelling of all the sorption isotherms with a mean correlation coefficient R=0.9983.
C02 01  X    @0 001D10A06J
C03 01  X  FRE  @0 Membrane @5 01
C03 01  X  ENG  @0 Membrane @5 01
C03 01  X  GER  @0 Membran @5 01
C03 01  X  SPA  @0 Membrana @5 01
C03 02  X  FRE  @0 Uréthanne copolymère @2 NK @5 02
C03 02  X  ENG  @0 Urethane copolymer @2 NK @5 02
C03 02  X  SPA  @0 Uretano copolímero @2 NK @5 02
C03 03  X  FRE  @0 Imide copolymère @2 NK @5 03
C03 03  X  ENG  @0 Imide copolymer @2 NK @5 03
C03 03  X  SPA  @0 Imida copolímero @2 NK @5 03
C03 04  X  FRE  @0 Copolymère séquencé @2 NK @5 04
C03 04  X  ENG  @0 Block copolymer @2 NK @5 04
C03 04  X  SPA  @0 Copolímero secuencia @2 NK @5 04
C03 05  X  FRE  @0 Absorption gaz @5 05
C03 05  X  ENG  @0 Gas absorption @5 05
C03 05  X  SPA  @0 Absorción gas @5 05
C03 06  X  FRE  @0 Composé organique @2 NA @5 06
C03 06  X  ENG  @0 Organic compounds @2 NA @5 06
C03 06  X  GER  @0 Organische Verbindung @2 NA @5 06
C03 06  X  SPA  @0 Compuesto orgánico @2 NA @5 06
C03 07  X  FRE  @0 Modélisation @5 07
C03 07  X  ENG  @0 Modeling @5 07
C03 07  X  SPA  @0 Modelización @5 07
C03 08  X  FRE  @0 Paramètre interaction @5 08
C03 08  X  ENG  @0 Interaction parameter @5 08
C03 08  X  SPA  @0 Parámetro interacción @5 08
C03 09  X  FRE  @0 Etude comparative @5 09
C03 09  X  ENG  @0 Comparative study @5 09
C03 09  X  GER  @0 Vergleich @5 09
C03 09  X  SPA  @0 Estudio comparativo @5 09
C03 10  X  FRE  @0 Vérification expérimentale @5 10
C03 10  X  ENG  @0 Experimental test @5 10
C03 10  X  SPA  @0 Verificación experimental @5 10
N21       @1 292

Format Inist (serveur)

NO : PASCAL 98-0442681 INIST
ET : Modelling of vapour sorption in polar materials : Comparison of Flory-Huggins and related models with the ENSIC mechanistic approach
AU : JONQUIERES (A.); PERRIN (L.); DURAND (A.); ARNOLD (S.); LOCHON (P.)
AF : Laboratoire de Chimie-Physique Macromoléculaire, CNRS UMR 7568, ENSIC, 1 rue Grandville, BP 451/54001 Nancy/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of membrane science; ISSN 0376-7388; Coden JMESDO; Pays-Bas; Da. 1998; Vol. 147; No. 1; Pp. 59-71; Bibl. 32 ref.
LA : Anglais
EA : This work focuses on the analysis of organic vapour sorption in polymer systems strongly deviating from ideality. The sorption of three different types of organics (i.e. alcohol, ether, ester) in polyurethaneimide block copolymers has been investigated using a microgravimetric technique over the entire activity range. For all the polyurethaneimides, sorption increases in the following order: ETBE<EtOH<AcOEt. A further analysis in terms of the Flory-Huggins (FH) theory generally shows a great discrepancy between experimental and calculated sorption values. This quasi-systematic failure could be ascribed to a fairly strong dependence of FH interaction parameter x towards penetrant concentration, which cannot be accounted for by the FH theory. A theoretical modification of the FH theory, previously reported by Koningsveld and Kleintjens to account for the variation by a three-parameter law, was shown to be really efficient for sorption modeling over the entire activity range. Despite a systematic divergence for the very low sorption levels, an empirical modification of the FH theory using a power law x=aø could also be an interesting alternative which requires only two parameters for a fairly good modeling for activities higher than 0.1-0.2. Considering the sorption phenomenon as a mechanical anisotropic process, the recent ENSIC approach, reported by Favre et al., proved its striking efficiency allowing the sorption modelling of all the sorption isotherms with a mean correlation coefficient R=0.9983.
CC : 001D10A06J
FD : Membrane; Uréthanne copolymère; Imide copolymère; Copolymère séquencé; Absorption gaz; Composé organique; Modélisation; Paramètre interaction; Etude comparative; Vérification expérimentale
ED : Membrane; Urethane copolymer; Imide copolymer; Block copolymer; Gas absorption; Organic compounds; Modeling; Interaction parameter; Comparative study; Experimental test
GD : Membran; Organische Verbindung; Vergleich
SD : Membrana; Uretano copolímero; Imida copolímero; Copolímero secuencia; Absorción gas; Compuesto orgánico; Modelización; Parámetro interacción; Estudio comparativo; Verificación experimental
LO : INIST-17232.354000070010510060
ID : 98-0442681

Links to Exploration step

Pascal:98-0442681

Le document en format XML

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<fC03 i1="06" i2="X" l="SPA">
<s0>Compuesto orgánico</s0>
<s2>NA</s2>
<s5>06</s5>
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<s0>Modélisation</s0>
<s5>07</s5>
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<s0>Modeling</s0>
<s5>07</s5>
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<fC03 i1="07" i2="X" l="SPA">
<s0>Modelización</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE">
<s0>Paramètre interaction</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG">
<s0>Interaction parameter</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA">
<s0>Parámetro interacción</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Etude comparative</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Comparative study</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="GER">
<s0>Vergleich</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Estudio comparativo</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE">
<s0>Vérification expérimentale</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG">
<s0>Experimental test</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA">
<s0>Verificación experimental</s0>
<s5>10</s5>
</fC03>
<fN21>
<s1>292</s1>
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<NO>PASCAL 98-0442681 INIST</NO>
<ET>Modelling of vapour sorption in polar materials : Comparison of Flory-Huggins and related models with the ENSIC mechanistic approach</ET>
<AU>JONQUIERES (A.); PERRIN (L.); DURAND (A.); ARNOLD (S.); LOCHON (P.)</AU>
<AF>Laboratoire de Chimie-Physique Macromoléculaire, CNRS UMR 7568, ENSIC, 1 rue Grandville, BP 451/54001 Nancy/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of membrane science; ISSN 0376-7388; Coden JMESDO; Pays-Bas; Da. 1998; Vol. 147; No. 1; Pp. 59-71; Bibl. 32 ref.</SO>
<LA>Anglais</LA>
<EA>This work focuses on the analysis of organic vapour sorption in polymer systems strongly deviating from ideality. The sorption of three different types of organics (i.e. alcohol, ether, ester) in polyurethaneimide block copolymers has been investigated using a microgravimetric technique over the entire activity range. For all the polyurethaneimides, sorption increases in the following order: ETBE</EA>
<CC>001D10A06J</CC>
<FD>Membrane; Uréthanne copolymère; Imide copolymère; Copolymère séquencé; Absorption gaz; Composé organique; Modélisation; Paramètre interaction; Etude comparative; Vérification expérimentale</FD>
<ED>Membrane; Urethane copolymer; Imide copolymer; Block copolymer; Gas absorption; Organic compounds; Modeling; Interaction parameter; Comparative study; Experimental test</ED>
<GD>Membran; Organische Verbindung; Vergleich</GD>
<SD>Membrana; Uretano copolímero; Imida copolímero; Copolímero secuencia; Absorción gas; Compuesto orgánico; Modelización; Parámetro interacción; Estudio comparativo; Verificación experimental</SD>
<LO>INIST-17232.354000070010510060</LO>
<ID>98-0442681</ID>
</server>
</inist>
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