Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation

To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study reports the synthesis of electrospun polymer–clay nanocomposite nanofibers, using...

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Autores principales:	Sneha Bhagyaraj, Patrik Sobolčiak, Mohammad A. Al-Ghouti, Igor Krupa
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	halloysite copolyamide membrane emulsion separation contact angle Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/988d910604b74be0ba98d656bc455031
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spelling	oai:doaj.org-article:988d910604b74be0ba98d656bc4550312021-11-11T18:44:32ZCopolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation10.3390/polym132137102073-4360https://doaj.org/article/988d910604b74be0ba98d656bc4550312021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/21/3710https://doaj.org/toc/2073-4360To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study reports the synthesis of electrospun polymer–clay nanocomposite nanofibers, using co-polyamide polymer (COPA) and halloysite nanotubes (HA) as filler. The influence of clay content on the morphological, thermal and dielectric properties of the polymer composite nanofiber was investigated comprehensively to address the material characteristics of the developed system. The surface structure analysis and contact angle measurements of the electrospun composite nanofibers confirms the change in surface roughness and wettability when the fillers are added to the polymer. The porosity of the composite electrospun nanofiber membrane was found to be 85% with an oil adsorption capacity of 97% and water permeability of 6265 L/m<sup>2</sup> h. Furthermore, the asymmetric wettability-driven oil/water emulsion separation abilities of the as-synthesized membranes shows that the separation efficiency of the composite fiber membrane is 10% improved compared to that of the neat fiber membrane, with improved separation time.Sneha BhagyarajPatrik SobolčiakMohammad A. Al-GhoutiIgor KrupaMDPI AGarticlehalloysitecopolyamidemembraneemulsion separationcontact angleOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3710, p 3710 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	halloysite copolyamide membrane emulsion separation contact angle Organic chemistry QD241-441
spellingShingle	halloysite copolyamide membrane emulsion separation contact angle Organic chemistry QD241-441 Sneha Bhagyaraj Patrik Sobolčiak Mohammad A. Al-Ghouti Igor Krupa Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
description	To address the problem of ever-increasing oily wastewater management, due to its directional liquid transport property, membranes with asymmetric wettability can be effectively used for emulsion separation. This study reports the synthesis of electrospun polymer–clay nanocomposite nanofibers, using co-polyamide polymer (COPA) and halloysite nanotubes (HA) as filler. The influence of clay content on the morphological, thermal and dielectric properties of the polymer composite nanofiber was investigated comprehensively to address the material characteristics of the developed system. The surface structure analysis and contact angle measurements of the electrospun composite nanofibers confirms the change in surface roughness and wettability when the fillers are added to the polymer. The porosity of the composite electrospun nanofiber membrane was found to be 85% with an oil adsorption capacity of 97% and water permeability of 6265 L/m<sup>2</sup> h. Furthermore, the asymmetric wettability-driven oil/water emulsion separation abilities of the as-synthesized membranes shows that the separation efficiency of the composite fiber membrane is 10% improved compared to that of the neat fiber membrane, with improved separation time.
format	article
author	Sneha Bhagyaraj Patrik Sobolčiak Mohammad A. Al-Ghouti Igor Krupa
author_facet	Sneha Bhagyaraj Patrik Sobolčiak Mohammad A. Al-Ghouti Igor Krupa
author_sort	Sneha Bhagyaraj
title	Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
title_short	Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
title_full	Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
title_fullStr	Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
title_full_unstemmed	Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation
title_sort	copolyamide–clay nanotube polymer composite nanofiber membranes: preparation, characterization and its asymmetric wettability driven oil/water emulsion separation towards sewage remediation
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/988d910604b74be0ba98d656bc455031
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Copolyamide–Clay Nanotube Polymer Composite Nanofiber Membranes: Preparation, Characterization and Its Asymmetric Wettability Driven Oil/Water Emulsion Separation towards Sewage Remediation

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