Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles

Trinath Biswal, Ramakanta Samal, Prafulla K SahooDepartment of Chemistry, Utkal University, Vani Vihar, Bhubaneswar 751004, IndiaAbstract: The polymerization of acrylonitrile (AN) is efficiently, easily, and quickly achieved in the presence of trans-[Co(III)en2Cl2]Cl complex in a domestic microwave...

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Autores principales:	Trinath Biswal, Ramakanta Samal, Prafulla K Sahoo
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2010
Materias:	Medical technology R855-855.5 Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/7236c0c048f24d7ba86cbaf337d2ab91
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spelling	oai:doaj.org-article:7236c0c048f24d7ba86cbaf337d2ab912021-12-02T00:43:53ZComplex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles1177-8903https://doaj.org/article/7236c0c048f24d7ba86cbaf337d2ab912010-10-01T00:00:00Zhttp://www.dovepress.com/complex-mediated-microwave-assisted-synthesis-of-polyacrylonitrile-nan-a5533https://doaj.org/toc/1177-8903Trinath Biswal, Ramakanta Samal, Prafulla K SahooDepartment of Chemistry, Utkal University, Vani Vihar, Bhubaneswar 751004, IndiaAbstract: The polymerization of acrylonitrile (AN) is efficiently, easily, and quickly achieved in the presence of trans-[Co(III)en2Cl2]Cl complex in a domestic microwave (MW) oven. MW irradiation notably promoted the polymerization reaction; this phenomenon is ascribed to the acceleration of the initiator, ammonium persulfate (APS), decomposition by microwave irradiation in the presence of [Co(III)en2Cl2]Cl. The conversion of monomer to the polymer was mostly excellent in gram scale. Irradiation at low power and time produced more homogeneous polymers with high molecular weight and low polydispersity when compared with the polymer formed by a conventional heating method. The interaction of reacting components was monitored by UV-visible spectrometer. The average molecular weight was derived by gel permeation chromatography (GPC), viscosity methods, and sound velocity by ultrasonic interferometer. The uniform and reduced molecular size was characterized by transmission electron microscopy, the diameter of polyacrylonitrile nanoparticles (PAN) being in the range 50&ndash;115 nm and 40&ndash;230 nm in microwave and conventional heating methods respectively. The surface morphology of PAN prepared by MW irradiation was characterized by scanning electron microscope (SEM). From the kinetic results, the rate of polymerization (Rp) was expressed as Rp = [AN]0.63 [APS]0.57 [complex (I)].0.88Keywords: microwave, complex catalyst, nanoparticle, kinetics Trinath BiswalRamakanta SamalPrafulla K SahooDove Medical PressarticleMedical technologyR855-855.5Chemical technologyTP1-1185ENNanotechnology, Science and Applications, Vol 2010, Iss default, Pp 77-83 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medical technology R855-855.5 Chemical technology TP1-1185
spellingShingle	Medical technology R855-855.5 Chemical technology TP1-1185 Trinath Biswal Ramakanta Samal Prafulla K Sahoo Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
description	Trinath Biswal, Ramakanta Samal, Prafulla K SahooDepartment of Chemistry, Utkal University, Vani Vihar, Bhubaneswar 751004, IndiaAbstract: The polymerization of acrylonitrile (AN) is efficiently, easily, and quickly achieved in the presence of trans-[Co(III)en2Cl2]Cl complex in a domestic microwave (MW) oven. MW irradiation notably promoted the polymerization reaction; this phenomenon is ascribed to the acceleration of the initiator, ammonium persulfate (APS), decomposition by microwave irradiation in the presence of [Co(III)en2Cl2]Cl. The conversion of monomer to the polymer was mostly excellent in gram scale. Irradiation at low power and time produced more homogeneous polymers with high molecular weight and low polydispersity when compared with the polymer formed by a conventional heating method. The interaction of reacting components was monitored by UV-visible spectrometer. The average molecular weight was derived by gel permeation chromatography (GPC), viscosity methods, and sound velocity by ultrasonic interferometer. The uniform and reduced molecular size was characterized by transmission electron microscopy, the diameter of polyacrylonitrile nanoparticles (PAN) being in the range 50&ndash;115 nm and 40&ndash;230 nm in microwave and conventional heating methods respectively. The surface morphology of PAN prepared by MW irradiation was characterized by scanning electron microscope (SEM). From the kinetic results, the rate of polymerization (Rp) was expressed as Rp = [AN]0.63 [APS]0.57 [complex (I)].0.88Keywords: microwave, complex catalyst, nanoparticle, kinetics
format	article
author	Trinath Biswal Ramakanta Samal Prafulla K Sahoo
author_facet	Trinath Biswal Ramakanta Samal Prafulla K Sahoo
author_sort	Trinath Biswal
title	Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
title_short	Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
title_full	Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
title_fullStr	Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
title_full_unstemmed	Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
title_sort	complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles
publisher	Dove Medical Press
publishDate	2010
url	https://doaj.org/article/7236c0c048f24d7ba86cbaf337d2ab91
work_keys_str_mv	AT trinathbiswal complexmediatedmicrowaveassistedsynthesisofpolyacrylonitrilenanoparticles AT ramakantasamal complexmediatedmicrowaveassistedsynthesisofpolyacrylonitrilenanoparticles AT prafullaksahoo complexmediatedmicrowaveassistedsynthesisofpolyacrylonitrilenanoparticles
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Complex-mediated microwave-assisted synthesis of polyacrylonitrile nanoparticles

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