Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2767

Full Length Research Paper

Synthesis and characterization of grafted acrylonitrile on polystyrene modified with activated carbon using gamma-irradiation

  Muhammed Mizher Radhi1*, Wee Tee Tan2, Mohamad Zaki B. Ab Rahman2and Anuar Bin Kassim2    
  1Department of Radiological Techniques, College of Health and Medical Technology, Baghdad, Iraq. 2Department of Chemistry, Faculty of Science, University Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
Email: [email protected]

  •  Accepted: 24 August 2011
  •  Published: 23 February 2012

Abstract

 

Acrylonitrile was successfully grafted on polystyrene modified with activated carbon using gamma-irradiation technique. This process was carried out modified at various gamma dose (0.2 to 1.5 Mrad). The new grafted polymer (GP) was characterized and its properties were investigated. In this study, it was found that 2 g of polystyrene, 90% (w/w) acrylonitrile monomer, 2% (w/w) ferrous ammonium sulfate (FAS) catalyst, 1 mg activated carbon powder and 1.25 Mrad gamma dose are the optimized conditions required for the polymerization of GP.The grafted polymer was proved by Fourier transform infrared (FTIR), thermo gravimetric analysis (TGA) and UV-visible spectroscopy. A mechanism is presented to explain the formation of GP.

 

Key words: Activated carbon, polystyrene, acrylonitrile, gamma-irradiation, ferrous ammonium sulfate (FAS)

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