Kinetics and simulation of the imidization of poly(styrene‐co‐maleic anhydride) with amines
Identifieur interne : 005455 ( Main/Exploration ); précédent : 005454; suivant : 005456Kinetics and simulation of the imidization of poly(styrene‐co‐maleic anhydride) with amines
Auteurs : He-Yang Liu [République populaire de Chine] ; Kun Cao [République populaire de Chine] ; Yuan Huang [République populaire de Chine] ; Zhen Yao [République populaire de Chine] ; Bo-Geng Li [République populaire de Chine] ; Guo-Hua Hu [France]Source :
- Journal of Applied Polymer Science [ 0021-8995 ] ; 2006-05-15.
English descriptors
- Teeft :
- Amine, Anhydride, Anhydride groups, Anhydrous methanol, Appl, Appl polym, Conductance, Conductance titration, Conductance titration method, Consecutive reactions, Contract grant sponsor, Experimental data, Experimental points, Ftir, Ftir spectra, Good agreement, Imidization, Imidization kinetics, Imidization process, Imidization rate, Imidization reaction, Interchain process, Kinetic model simulations, Kinetic rate constants, Kinetics, Maleamic acid units, Maleic, Maleic acid, Maleic acid unit, Maleic acid units, Maleic anhydride, Maleimide, Molar, Molar fraction, Molar fractions, Molar ratio, Npma, Polym, Polymer, Primary amine, Reaction rate constants, Reaction temperature, Reaction time, Reversible reaction, Ringclosing reaction, Simple method, Simulation, Titration, Various concentrations, Various molar ratios, Various temperatures, Wiley periodicals.
Abstract
The imidization of poly(styrene‐co‐maleic anhydride) with amines may improve some of its end‐use properties. The objective of this study was to examine the mechanism and kinetics with aniline (ANL) as an amine of the preparation of poly(styrene‐co‐N‐phenyl maleimide). The reaction was carried out in a tetrahydrofuran solution at 25–55°C and in an ethylbenzene solution at 85–120°C. The extent of the reaction was determined by conductance titration, a new and simple method. Two consecutive reactions were involved in the imidization: ring opening to produce an acido‐amide group and ring closing to form a corresponding imide group. The imidization rate was greatly influenced by the reaction temperature and the molar ratio of ANL to the anhydride. A model for the imidization kinetics over a wide range of reaction temperatures and concentration ranges was developed and validated. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 2744–2749, 2006
Url:
DOI: 10.1002/app.23371
Affiliations:
- France, République populaire de Chine
- Grand Est, Lorraine (région), Zhejiang
- Hangzhou, Nancy
- Université de Zhejiang
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type="ISSN">0021-8995</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Amine</term><term>Anhydride</term><term>Anhydride groups</term><term>Anhydrous methanol</term><term>Appl</term><term>Appl polym</term><term>Conductance</term><term>Conductance titration</term><term>Conductance titration method</term><term>Consecutive reactions</term><term>Contract grant sponsor</term><term>Experimental data</term><term>Experimental points</term><term>Ftir</term><term>Ftir spectra</term><term>Good agreement</term><term>Imidization</term><term>Imidization kinetics</term><term>Imidization process</term><term>Imidization rate</term><term>Imidization reaction</term><term>Interchain process</term><term>Kinetic model simulations</term><term>Kinetic rate constants</term><term>Kinetics</term><term>Maleamic acid units</term><term>Maleic</term><term>Maleic acid</term><term>Maleic acid unit</term><term>Maleic acid units</term><term>Maleic anhydride</term><term>Maleimide</term><term>Molar</term><term>Molar fraction</term><term>Molar fractions</term><term>Molar ratio</term><term>Npma</term><term>Polym</term><term>Polymer</term><term>Primary amine</term><term>Reaction rate constants</term><term>Reaction temperature</term><term>Reaction time</term><term>Reversible reaction</term><term>Ringclosing reaction</term><term>Simple method</term><term>Simulation</term><term>Titration</term><term>Various concentrations</term><term>Various molar ratios</term><term>Various temperatures</term><term>Wiley periodicals</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The imidization of poly(styrene‐co‐maleic anhydride) with amines may improve some of its end‐use properties. The objective of this study was to examine the mechanism and kinetics with aniline (ANL) as an amine of the preparation of poly(styrene‐co‐N‐phenyl maleimide). The reaction was carried out in a tetrahydrofuran solution at 25–55°C and in an ethylbenzene solution at 85–120°C. The extent of the reaction was determined by conductance titration, a new and simple method. Two consecutive reactions were involved in the imidization: ring opening to produce an acido‐amide group and ring closing to form a corresponding imide group. The imidization rate was greatly influenced by the reaction temperature and the molar ratio of ANL to the anhydride. A model for the imidization kinetics over a wide range of reaction temperatures and concentration ranges was developed and validated. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 2744–2749, 2006</div></front></TEI><affiliations><list><country><li>France</li><li>République populaire de Chine</li></country><region><li>Grand Est</li><li>Lorraine (région)</li><li>Zhejiang</li></region><settlement><li>Hangzhou</li><li>Nancy</li></settlement><orgName><li>Université de Zhejiang</li></orgName></list><tree><country name="République populaire de Chine"><region name="Zhejiang"><name sortKey="Liu, He Ang" sort="Liu, He Ang" uniqKey="Liu H" first="He-Yang" last="Liu">He-Yang Liu</name></region><name sortKey="Cao, Kun" sort="Cao, Kun" uniqKey="Cao K" first="Kun" last="Cao">Kun Cao</name><name sortKey="Cao, Kun" sort="Cao, Kun" uniqKey="Cao K" first="Kun" last="Cao">Kun Cao</name><name sortKey="Cao, Kun" sort="Cao, Kun" uniqKey="Cao K" first="Kun" last="Cao">Kun Cao</name><name sortKey="Huang, Yuan" sort="Huang, Yuan" uniqKey="Huang Y" first="Yuan" last="Huang">Yuan Huang</name><name sortKey="Li, Bo Eng" sort="Li, Bo Eng" uniqKey="Li B" first="Bo-Geng" last="Li">Bo-Geng Li</name><name sortKey="Yao, Zhen" sort="Yao, Zhen" uniqKey="Yao Z" first="Zhen" last="Yao">Zhen Yao</name></country><country name="France"><region name="Grand Est"><name sortKey="Hu, Guo Ua" sort="Hu, Guo Ua" uniqKey="Hu G" first="Guo-Hua" last="Hu">Guo-Hua Hu</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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