International Journal of Carbohydrate Chemistry
Volume 2013, Article ID 892615, 8 pages
http://dx.doi.org/10.1155/2013/892615
Synthesis and Characterization of Acrylic Acid-g-(-Carrageenan) Copolymer and Study of Its Application
1Department of Chemistry, School of Physical Sciences, Guru Ghasidas Vishwavidyalaya, Bilaspur, Chhattisgarh 495009, India
2Organic Polymer Laboratory, Department of Chemistry, Centre of Advanced Studies in Chemistry, Banaras Hindu University, Varanasi, Uttar Pradesh 221 005, India
Received 31 January 2013; Revised 16 April 2013; Accepted 16 April 2013
Academic Editor: R. J. Linhardt
Copyright © 2013 Arti Srivastava and Rajesh Kumar. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The effects of concentrations of peroxymonosulphate, mercaptosuccinic acid, hydrogen ion, acrylic acid, and carrageenan on grafting parameters were studied to find out the maximum grafting ratio. The corresponding values were found to be , , , mol dm−3, and g dm−3, respectively. The optimal reaction time duration and reaction temperature were found to be 120 min and 40°C, respectively. The effect of hydrogen ion variation from 5.0 up to mol dm−3 shows prompt changes on grafting parameter. The grafted copolymer was found more thermally stable than the ungrafted substrate. Also the grafted copolymer absorbed more water, namely hazardous metal cations. Hg2+, Pb2+, and Cd2+, showed better flocculation behavior than carrageenan.