Rheo-Raman: A Promising Technique for In Situ Monitoring of Polymerization Reactions in Solution
Identifieur interne : 000A06 ( Main/Merge ); précédent : 000A05; suivant : 000A07Rheo-Raman: A Promising Technique for In Situ Monitoring of Polymerization Reactions in Solution
Auteurs : Marie-Claire Chevrel [France] ; Sandrine Hoppe [France] ; Laurent Falk [France] ; Brun Nadege [France] ; David Chapron [France] ; Patrice Bourson [France] ; Alain Durand [France]Source :
- Industrial & engineering chemistry research [ 0888-5885 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The use of a laboratory-made rheo-Raman device for continuous in situ monitoring of free-radical polymerization of acrylic acid in aqueous solution is reported for the first time. Combining a mixer-type rheometer with a quartz outer cylinder to a Raman spectrometer, this original experimental device has allowed us to overcome three current challenges of polymerization reaction monitoring. First, monomer conversion, polymer formation, and viscosity of reaction medium were continuously monitored with well-defined conditions (composition, temperature, and flow), using Couette analogy. Second, direct correlation between macroscopic viscosity and medium composition was established (accounting for the continuous variation of molar mass distribution). Third, using a mixer-type rheometer provided scalable results, in terms of stirring conditions.
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Pascal:13-0034984Le document en format XML
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type="university">Université de Lorraine</orgName></affiliation></author></analytic><series><title level="j" type="main">Industrial & engineering chemistry research</title><title level="j" type="abbreviated">Ind. eng. chem. res.</title><idno type="ISSN">0888-5885</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Industrial & engineering chemistry research</title><title level="j" type="abbreviated">Ind. eng. chem. res.</title><idno type="ISSN">0888-5885</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>In situ</term><term>Polymerization</term><term>Surveillance</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>In situ</term><term>Surveillance</term><term>Polymérisation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The use of a laboratory-made rheo-Raman device for continuous in situ monitoring of free-radical polymerization of acrylic acid in aqueous solution is reported for the first time. Combining a mixer-type rheometer with a quartz outer cylinder to a Raman spectrometer, this original experimental device has allowed us to overcome three current challenges of polymerization reaction monitoring. First, monomer conversion, polymer formation, and viscosity of reaction medium were continuously monitored with well-defined conditions (composition, temperature, and flow), using Couette analogy. Second, direct correlation between macroscopic viscosity and medium composition was established (accounting for the continuous variation of molar mass distribution). Third, using a mixer-type rheometer provided scalable results, in terms of stirring conditions.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Nancy</li></settlement><orgName><li>Centre national de la recherche scientifique</li><li>Laboratoire réactions et génie des procédés</li><li>Université de Lorraine</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Chevrel, Marie Claire" sort="Chevrel, Marie Claire" uniqKey="Chevrel M" first="Marie-Claire" last="Chevrel">Marie-Claire Chevrel</name></region><name sortKey="Bourson, Patrice" sort="Bourson, Patrice" uniqKey="Bourson P" first="Patrice" last="Bourson">Patrice Bourson</name><name sortKey="Chapron, David" sort="Chapron, David" uniqKey="Chapron D" first="David" last="Chapron">David Chapron</name><name sortKey="Durand, Alain" sort="Durand, Alain" uniqKey="Durand A" first="Alain" last="Durand">Alain Durand</name><name sortKey="Durand, Alain" sort="Durand, Alain" uniqKey="Durand A" first="Alain" last="Durand">Alain Durand</name><name sortKey="Falk, Laurent" sort="Falk, Laurent" uniqKey="Falk L" first="Laurent" last="Falk">Laurent Falk</name><name sortKey="Hoppe, Sandrine" sort="Hoppe, Sandrine" uniqKey="Hoppe S" first="Sandrine" last="Hoppe">Sandrine Hoppe</name><name sortKey="Nadege, Brun" sort="Nadege, Brun" uniqKey="Nadege B" first="Brun" last="Nadege">Brun Nadege</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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