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Polyethylenimine polyampholytes: Synthesis, characterization and dye adsorption study.

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Title: Polyethylenimine polyampholytes: Synthesis, characterization and dye adsorption study.
Authors: Kumari, Sulbha1 (AUTHOR), Avais, Mohd.1 (AUTHOR), Katiyar, Jyoti Devi1 (AUTHOR), Suman, Yogendra Kumar1 (AUTHOR), Chattopadhyay, Subrata1 (AUTHOR) sch@iitp.ac.in
Source: Journal of Polymer Research. Jul2022, Vol. 29 Issue 7, p1-11. 11p.
Subjects: Polyampholytes, Polyethyleneimine, Succinic anhydride, Adsorption (Chemistry), Nuclear magnetic resonance spectroscopy
Abstract: In this article, a synthetic methodology is reported to prepare Polyethylenimine (PEI) polyampholytes,with predefined ratio of cationic and anionic functionalities, via the reaction of PEI with glutaric anhydride and succinic anhydride. To screen the best reaction condition between amine and anhydrides, initially model reactions between butylamine and glutaric anhydride are monitored using different conditions. Later, choosing the best reaction condition (as per model reactions) a series of PEI ampholytes are prepared by reacting PEI with both glutaric and succinic anhydride with an predefined degree of functionalization (defined experimentally via the feed ratio of the reagents used) such as 10%, 20% and 30% as analyzed by 1H NMR and IR spectroscopy. Due to electrostatic attraction of oppositely charged ions, the polyampholytes are insoluble in distilled water at pH ~ 6.5, however can form stable nano/micro particles (radius ~200 nm) at 0.8 N aqueous NaCl solution or higher salt concentration. The dye adsorption ability of the polyampholytes is studied in details revealing multilayered adsorption phenomenon (better fitted to Freundlich isotherm) and pseudo second order adsorption kinetics. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Polymer Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Polyethylenimine polyampholytes: Synthesis, characterization and dye adsorption study.
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  Data: <searchLink fieldCode="AR" term="%22Kumari%2C+Sulbha%22">Kumari, Sulbha</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Avais%2C+Mohd%2E%22">Avais, Mohd.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Katiyar%2C+Jyoti+Devi%22">Katiyar, Jyoti Devi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Suman%2C+Yogendra+Kumar%22">Suman, Yogendra Kumar</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chattopadhyay%2C+Subrata%22">Chattopadhyay, Subrata</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sch@iitp.ac.in</i>
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  Data: <searchLink fieldCode="DE" term="%22Polyampholytes%22">Polyampholytes</searchLink><br /><searchLink fieldCode="DE" term="%22Polyethyleneimine%22">Polyethyleneimine</searchLink><br /><searchLink fieldCode="DE" term="%22Succinic+anhydride%22">Succinic anhydride</searchLink><br /><searchLink fieldCode="DE" term="%22Adsorption+%28Chemistry%29%22">Adsorption (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+magnetic+resonance+spectroscopy%22">Nuclear magnetic resonance spectroscopy</searchLink>
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  Label: Abstract
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  Data: In this article, a synthetic methodology is reported to prepare Polyethylenimine (PEI) polyampholytes,with predefined ratio of cationic and anionic functionalities, via the reaction of PEI with glutaric anhydride and succinic anhydride. To screen the best reaction condition between amine and anhydrides, initially model reactions between butylamine and glutaric anhydride are monitored using different conditions. Later, choosing the best reaction condition (as per model reactions) a series of PEI ampholytes are prepared by reacting PEI with both glutaric and succinic anhydride with an predefined degree of functionalization (defined experimentally via the feed ratio of the reagents used) such as 10%, 20% and 30% as analyzed by 1H NMR and IR spectroscopy. Due to electrostatic attraction of oppositely charged ions, the polyampholytes are insoluble in distilled water at pH ~ 6.5, however can form stable nano/micro particles (radius ~200 nm) at 0.8 N aqueous NaCl solution or higher salt concentration. The dye adsorption ability of the polyampholytes is studied in details revealing multilayered adsorption phenomenon (better fitted to Freundlich isotherm) and pseudo second order adsorption kinetics. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Polymer Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10965-022-03074-7
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        Text: English
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      – SubjectFull: Polyethyleneimine
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      – SubjectFull: Succinic anhydride
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      – SubjectFull: Adsorption (Chemistry)
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      – SubjectFull: Nuclear magnetic resonance spectroscopy
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      – TitleFull: Polyethylenimine polyampholytes: Synthesis, characterization and dye adsorption study.
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            NameFull: Kumari, Sulbha
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            NameFull: Katiyar, Jyoti Devi
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            NameFull: Suman, Yogendra Kumar
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            NameFull: Chattopadhyay, Subrata
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              M: 07
              Text: Jul2022
              Type: published
              Y: 2022
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