NDLI: Chemical Modification of Nano Polyacrylonitrile Prepared by Emulsion Polymerization Induced by Gamma Radiation and Their Use for Removal of Some Metal Ions

Content Provider	Springer Nature Link
Author	Ghobashy, Mohamed Mohamady Khafaga, Mervat Rabie
Copyright Year	2016
Abstract	Emulsion polymerization of acrylonitrile (AN) was carried out using gamma irradiation at a dose of 20 kGy. Tween 80 (poly oxy ethylene sorbitan monooleate) and (sodium dodecylsulfate) SDS were used as emulsifiers. The chemical modification of nano PAN was carried out to convert the nitrile group into the carboxylic acid group by refluxed nano PAN with sodium hydroxide. The chemical modified nano PAN was characterized by Fourier transform infrared spectroscopy The Transmission electron microscopy has been used to assess the average particle diameter of the chemically modified nano PAN, the results indicates that the diameter of chemically modified nano PAN particle is ranged from 5 to 15 nm. The ability of modified nano PAN attachment with carboxylic acid groups have been applied effectively for adsorption of various metal ions such as (Pb$^{2+}$, Cu$^{2+}$ and Cd$^{2+}$). The capability and efficiency of the modified nano PAN for the removal of Pb$^{2+}$, Cu$^{2+}$ and Cd$^{2+}$ was detected by atomic absorption spectroscopy. A solution containing about 10 mg L$^{−1}$ of three metal ions of (Pb$^{2+}$, Cu$^{2+}$ and Cd$^{2+}$) was treated with 0.01 g of modified nano PAN at a temperature of 40 °C. The metal ion removal capacity of modified nano PAN was found to follow the order: Cd$^{2+}$ > Cu$^{2+}$ > Pb$^{2+}$. The highest removal efficiency of the modified nano PAN was for Cd$^{2+}$, in which the highest amount of Cd$^{2+}$ removal was 4.951 mg g$^{−1}$ dry of modified nano PAN.
Starting Page	343
Ending Page	348
Page Count	6
File Format	PDF
ISSN	15662543
Journal	Journal of Polymers and the Environment
Volume Number	25
Issue Number	2
e-ISSN	15728900
Language	English
Publisher	Springer US
Publisher Date	2016-08-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Emulsion polymerization Chemical modification Nano polyacrylonitrile Gamma radiation Metal ions removal Polymer Sciences Environmental Chemistry Materials Science Environmental Engineering/Biotechnology Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Environmental Engineering Polymers and Plastics

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