Synthesis and characterization of water soluble poly(N‐acetyl)iminoethylene and poly(ethyleneimine) by ion‐exchanged clay montmorillonite
Identifieur interne : 000847 ( Main/Exploration ); précédent : 000846; suivant : 000848Synthesis and characterization of water soluble poly(N‐acetyl)iminoethylene and poly(ethyleneimine) by ion‐exchanged clay montmorillonite
Auteurs : Aïcha Hachemaoui [Algérie] ; Ahmed Yahiaoui [Algérie] ; Mohammed Belbachir [Algérie]Source :
- Journal of Applied Polymer Science [ 0021-8995 ] ; 2006-11-15.
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Abstract
The cationic polymerization of 2‐méthyl‐2‐oxazoline was carried out at 0°C in acetonitrile using an acid‐exchanged montmorillonite as acid solid ecocatalyst (Maghnite‐H+). The effect of the amount of catalyst, solvent, and times of polymerization on yield and viscosity of polymer was studied. A typical reaction product (PMOX) was analyzed by infrared and nuclear magnetic resonance spectroscopy as well as by gel‐permeation chromatography and MALDI‐TOF MS. The polymers presented similar spectrometric results and narrow molecular weight distribution. The poly(N‐acetyl)iminoethylene was hydrolyzed in acid medium obtaining a linear poly(ethyleneimine). © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102:3741–3750, 2006
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DOI: 10.1002/app.24660
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Appl. Polym. Sci.</title><idno type="ISSN">0021-8995</idno><idno type="eISSN">1097-4628</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2006-11-15">2006-11-15</date><biblScope unit="volume">102</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="3741">3741</biblScope><biblScope unit="page" to="3750">3750</biblScope></imprint><idno type="ISSN">0021-8995</idno></series><idno type="istex">492BE2F127E90A1A63EA19F6A2F2CB71AABB0D21</idno><idno type="DOI">10.1002/app.24660</idno><idno type="ArticleID">APP24660</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0021-8995</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>2‐méthyl‐2‐oxazoline</term><term>ecocatalyst</term><term>living polymerization</term><term>montmorillonite</term><term>poly(ethyleneimine)</term><term>ring‐opening polymerization</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The cationic polymerization of 2‐méthyl‐2‐oxazoline was carried out at 0°C in acetonitrile using an acid‐exchanged montmorillonite as acid solid ecocatalyst (Maghnite‐H+). The effect of the amount of catalyst, solvent, and times of polymerization on yield and viscosity of polymer was studied. A typical reaction product (PMOX) was analyzed by infrared and nuclear magnetic resonance spectroscopy as well as by gel‐permeation chromatography and MALDI‐TOF MS. The polymers presented similar spectrometric results and narrow molecular weight distribution. The poly(N‐acetyl)iminoethylene was hydrolyzed in acid medium obtaining a linear poly(ethyleneimine). © 2006 Wiley Periodicals, Inc. 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