Permeametric and microgravimetric studies of sorption and diffusion of water vapor in an unsaturated polyester
Identifieur interne : 000A06 ( PascalFrancis/Checkpoint ); précédent : 000A05; suivant : 000A07Permeametric and microgravimetric studies of sorption and diffusion of water vapor in an unsaturated polyester
Auteurs : S. Marais [France] ; M. Metayer [France] ; T. Q. Nguyen [France] ; M. Labbe [France] ; L. Perrin [France] ; J. M. Saiter [France]Source :
- Polymer : (Guildford) [ 0032-3861 ] ; 2000.
Descripteurs français
- Pascal (Inist)
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Abstract
A detailed analysis of the sorption equilibrium and the diffusion of water vapor under different activities through an unsaturated polyester resin (UPR) has been undertaken by differential permeation and microgravimetry techniques. The BET-type III sorption isotherm obtained by microgravimetry was analyzed with the Zimm-Lundberg approach to determine the mean cluster size in the UPR film: the latter increases drastically with the water content in the film. The transient permeation flux can be well fitted when a concentration-dependent diffusivity of exponential type is used. From the water content at sorption equilibrium and the steady-state permeability, a mean diffusion coefficient for the steady state can be determined; its decrease with increasing water activity is consistent with the increase in the mean cluster size.
Affiliations:
- France
- Grand Est, Haute-Normandie, Lorraine (région), Région Normandie
- Mont-Saint-Aignan, Nancy
- Université de Rouen
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Nguyen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>UMR 6522-"Polymères, Biopolymères Membranes", Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author><author><name sortKey="Labbe, M" sort="Labbe, M" uniqKey="Labbe M" first="M." last="Labbe">M. 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Saiter</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Laboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">00-0083173</idno><date when="2000">2000</date><idno type="stanalyst">PASCAL 00-0083173 INIST</idno><idno type="RBID">Pascal:00-0083173</idno><idno type="wicri:Area/PascalFrancis/Corpus">000B01</idno><idno type="wicri:Area/PascalFrancis/Curation">000011</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000A06</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000A06</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Permeametric and microgravimetric studies of sorption and diffusion of water vapor in an unsaturated polyester</title><author><name sortKey="Marais, S" sort="Marais, S" uniqKey="Marais S" first="S." last="Marais">S. Marais</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>UMR 6522-"Polymères, Biopolymères Membranes", Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author><author><name sortKey="Metayer, M" sort="Metayer, M" uniqKey="Metayer M" first="M." last="Metayer">M. Metayer</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>UMR 6522-"Polymères, Biopolymères Membranes", Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author><author><name sortKey="Nguyen, T Q" sort="Nguyen, T Q" uniqKey="Nguyen T" first="T. Q." last="Nguyen">T. Q. 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Labbe</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>UMR 6522-"Polymères, Biopolymères Membranes", Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author><author><name sortKey="Perrin, L" sort="Perrin, L" uniqKey="Perrin L" first="L." last="Perrin">L. Perrin</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>LCPM-UMR 7568, ENSIC, 1 Rue Grandville, BP 451</s1><s2>54001 Nancy</s2><s3>FRA</s3><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region><settlement type="city">Nancy</settlement></placeName></affiliation></author><author><name sortKey="Saiter, J M" sort="Saiter, J M" uniqKey="Saiter J" first="J. M." last="Saiter">J. M. Saiter</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Laboratoire d'Etude et de Caractérisation des Amorphes et des Polymères, Université de Rouen</s1><s2>76821 Mont-Saint-Aignan</s2><s3>FRA</s3><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Mont-Saint-Aignan</settlement></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author></analytic><series><title level="j" type="main">Polymer : (Guildford)</title><title level="j" type="abbreviated">Polymer : (Guildf.)</title><idno type="ISSN">0032-3861</idno><imprint><date when="2000">2000</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Polymer : (Guildford)</title><title level="j" type="abbreviated">Polymer : (Guildf.)</title><idno type="ISSN">0032-3861</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Experimental study</term><term>Isophthalate copolymer</term><term>Maleate copolymer</term><term>Moisture regain</term><term>Molecule scattering</term><term>Steam permeability</term><term>Unsaturated copolymer</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Maléate copolymère</term><term>Isophtalate copolymère</term><term>Copolymère insaturé</term><term>Diffusion molécule</term><term>Reprise humidité</term><term>Perméabilité vapeur eau</term><term>Etude expérimentale</term><term>Effet activité eau</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A detailed analysis of the sorption equilibrium and the diffusion of water vapor under different activities through an unsaturated polyester resin (UPR) has been undertaken by differential permeation and microgravimetry techniques. The BET-type III sorption isotherm obtained by microgravimetry was analyzed with the Zimm-Lundberg approach to determine the mean cluster size in the UPR film: the latter increases drastically with the water content in the film. The transient permeation flux can be well fitted when a concentration-dependent diffusivity of exponential type is used. From the water content at sorption equilibrium and the steady-state permeability, a mean diffusion coefficient for the steady state can be determined; its decrease with increasing water activity is consistent with the increase in the mean cluster size.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0032-3861</s0></fA01><fA02 i1="01"><s0>POLMAG</s0></fA02><fA03 i2="1"><s0>Polymer : (Guildf.)</s0></fA03><fA05><s2>41</s2></fA05><fA06><s2>7</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Permeametric and microgravimetric studies of sorption and diffusion of water vapor in an unsaturated polyester</s1></fA08><fA11 i1="01" i2="1"><s1>MARAIS (S.)</s1></fA11><fA11 i1="02" i2="1"><s1>METAYER (M.)</s1></fA11><fA11 i1="03" i2="1"><s1>NGUYEN (T. Q.)</s1></fA11><fA11 i1="04" i2="1"><s1>LABBE (M.)</s1></fA11><fA11 i1="05" i2="1"><s1>PERRIN (L.)</s1></fA11><fA11 i1="06" i2="1"><s1>SAITER (J. 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All rights reserved.</s1></fA44><fA45><s0>25 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>00-0083173</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Polymer : (Guildford)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>A detailed analysis of the sorption equilibrium and the diffusion of water vapor under different activities through an unsaturated polyester resin (UPR) has been undertaken by differential permeation and microgravimetry techniques. The BET-type III sorption isotherm obtained by microgravimetry was analyzed with the Zimm-Lundberg approach to determine the mean cluster size in the UPR film: the latter increases drastically with the water content in the film. The transient permeation flux can be well fitted when a concentration-dependent diffusivity of exponential type is used. 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Marais</name></region><name sortKey="Labbe, M" sort="Labbe, M" uniqKey="Labbe M" first="M." last="Labbe">M. Labbe</name><name sortKey="Metayer, M" sort="Metayer, M" uniqKey="Metayer M" first="M." last="Metayer">M. Metayer</name><name sortKey="Nguyen, T Q" sort="Nguyen, T Q" uniqKey="Nguyen T" first="T. Q." last="Nguyen">T. Q. Nguyen</name><name sortKey="Perrin, L" sort="Perrin, L" uniqKey="Perrin L" first="L." last="Perrin">L. Perrin</name><name sortKey="Saiter, J M" sort="Saiter, J M" uniqKey="Saiter J" first="J. M." last="Saiter">J. M. Saiter</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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