Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes

Magnetic mesoporous silica nanoparticles (Fe3O4-MSNs) were successfully synthesized with a relatively high surface area of 568 m2g−1. Fe3O4-MSNs were then modifie...

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Autores principales:	Khalid Mohammed Alotaibi, Abdurrahman A. Almethen, Abeer M. Beagan, Hassan M. Al-Swaidan, Ashfaq Ahmad, Showkat Ahmad Bhawani, Abdullah M. Alswieleh
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	magnetic mesoporous nanoparticles polybase brushes polymer quaternization dyes removal kinetics isotherms Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/fdc4c05679e74981bb389301b87789a5
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spelling	oai:doaj.org-article:fdc4c05679e74981bb389301b87789a52021-11-11T15:24:18ZQuaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes10.3390/app1121104512076-3417https://doaj.org/article/fdc4c05679e74981bb389301b87789a52021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10451https://doaj.org/toc/2076-3417Magnetic mesoporous silica nanoparticles (Fe<sub>3</sub>O<sub>4</sub>-MSNs) were successfully synthesized with a relatively high surface area of 568 m<sup>2</sup>g<sup>−1</sup>. Fe<sub>3</sub>O<sub>4</sub>-MSNs were then modified with poly(2-diethyl aminoethyl methacrylate) (PDEAEMA) brushes using surface-initiated ARGET atom transfer radical polymerization (ATRP) (Fe<sub>3</sub>O<sub>4</sub>@MSN-PDMAEMA). Since the charge of PDEAEMA is externally regulated by solution pH, tertiary amines in the polymer chains were quaternized using 2-iodoethanol to obtain cationic polymer chains with a permanent positive charge (Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA). The intensity of the C−O peak in the C1s X-ray photoelectron spectrum increased after reaction with 2-iodoethanol, suggesting that the quaternization process was successful. The applicability of the synthesized materials on the removal of methyl orange (MO), and sunset yellow (E110) dyes from an aqueous solution was examined. The effects of pH, contact time, and initial dyes concentrations on the removal performance were investigated by batch experiments. The results showed that the Fe<sub>3</sub>O<sub>4</sub>@MSN-PDMAEMA sample exhibited a weak adsorption performance toward both MO and E110, compared with Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA at a pH level above 5. The maximum adsorption capacities of MO and E110 using Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA were 294 mg g<sup>−1</sup> and 194.8 mg g<sup>−1</sup>, respectively.Khalid Mohammed AlotaibiAbdurrahman A. AlmethenAbeer M. BeaganHassan M. Al-SwaidanAshfaq AhmadShowkat Ahmad BhawaniAbdullah M. AlswielehMDPI AGarticlemagnetic mesoporous nanoparticlespolybase brushespolymer quaternizationdyes removalkineticsisothermsTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10451, p 10451 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	magnetic mesoporous nanoparticles polybase brushes polymer quaternization dyes removal kinetics isotherms Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	magnetic mesoporous nanoparticles polybase brushes polymer quaternization dyes removal kinetics isotherms Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Khalid Mohammed Alotaibi Abdurrahman A. Almethen Abeer M. Beagan Hassan M. Al-Swaidan Ashfaq Ahmad Showkat Ahmad Bhawani Abdullah M. Alswieleh Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
description	Magnetic mesoporous silica nanoparticles (Fe<sub>3</sub>O<sub>4</sub>-MSNs) were successfully synthesized with a relatively high surface area of 568 m<sup>2</sup>g<sup>−1</sup>. Fe<sub>3</sub>O<sub>4</sub>-MSNs were then modified with poly(2-diethyl aminoethyl methacrylate) (PDEAEMA) brushes using surface-initiated ARGET atom transfer radical polymerization (ATRP) (Fe<sub>3</sub>O<sub>4</sub>@MSN-PDMAEMA). Since the charge of PDEAEMA is externally regulated by solution pH, tertiary amines in the polymer chains were quaternized using 2-iodoethanol to obtain cationic polymer chains with a permanent positive charge (Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA). The intensity of the C−O peak in the C1s X-ray photoelectron spectrum increased after reaction with 2-iodoethanol, suggesting that the quaternization process was successful. The applicability of the synthesized materials on the removal of methyl orange (MO), and sunset yellow (E110) dyes from an aqueous solution was examined. The effects of pH, contact time, and initial dyes concentrations on the removal performance were investigated by batch experiments. The results showed that the Fe<sub>3</sub>O<sub>4</sub>@MSN-PDMAEMA sample exhibited a weak adsorption performance toward both MO and E110, compared with Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA at a pH level above 5. The maximum adsorption capacities of MO and E110 using Fe<sub>3</sub>O<sub>4</sub>@MSN-<i>Q</i>PDMAEMA were 294 mg g<sup>−1</sup> and 194.8 mg g<sup>−1</sup>, respectively.
format	article
author	Khalid Mohammed Alotaibi Abdurrahman A. Almethen Abeer M. Beagan Hassan M. Al-Swaidan Ashfaq Ahmad Showkat Ahmad Bhawani Abdullah M. Alswieleh
author_facet	Khalid Mohammed Alotaibi Abdurrahman A. Almethen Abeer M. Beagan Hassan M. Al-Swaidan Ashfaq Ahmad Showkat Ahmad Bhawani Abdullah M. Alswieleh
author_sort	Khalid Mohammed Alotaibi
title	Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
title_short	Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
title_full	Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
title_fullStr	Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
title_full_unstemmed	Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes
title_sort	quaternization of poly(2-diethyl aminoethyl methacrylate) brush-grafted magnetic mesoporous nanoparticles using 2-iodoethanol for removing anionic dyes
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fdc4c05679e74981bb389301b87789a5
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Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes

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