Optimization of Ceric Ammonium Nitrate Initiated Graft Copolymerization of Acrylonitrile onto Chitosan
A. Shanmugapriya, R. Ramya, M. Venkatachalam, P.N. Sudha
DOI: 10.4236/jwarp.2011.36048   PDF    HTML   XML   7,386 Downloads   14,746 Views   Citations


In the present work, graft copolymerization of polyacrylonitrile onto chitosan has been carried out in the presence of ceric ammonium nitrate redox initiator. Optimization of grafting of polyacrylonitrile onto chito-san was performed by varying the process parameters such as ceric ammonium nitrate (CAN) concentration, polyacrylonitrile concentration and reaction time to study their influence on percent grafting and grafting ef-ficiency. The optimum reaction conditions obtained for grafting of acrylonitrile onto chitosan were reaction time 55 mins, CAN concentration 1% in Con. HNO3, and polyacrylonitrile concentration 0.75 mol/L. The characterization of the grafted products by means of FTIR, thermal analysis, X-ray diffraction and scanning electron microscopy furnished the evidence of grafting of polyacrylonitrile onto chitosan.

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A. Shanmugapriya, R. Ramya, M. Venkatachalam and P. Sudha, "Optimization of Ceric Ammonium Nitrate Initiated Graft Copolymerization of Acrylonitrile onto Chitosan," Journal of Water Resource and Protection, Vol. 3 No. 6, 2011, pp. 380-386. doi: 10.4236/jwarp.2011.36048.

Conflicts of Interest

The authors declare no conflicts of interest.


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