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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Synthesis and properties of poly(acrylamide-aniline)-grafted gum ghatti based nanospikes
RSC Advances, Volume 3, No. 48, Year 2013
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Description
In this work, we have synthesized poly(acrylamide-aniline)-grafted gum ghatti based crosslinked conducting hydrogel via a two-step synthesis method. The first step involved the microwave assisted synthesis of a semi-interpenetrating polymer network (semi-IPN) based on acrylamide and gum ghatti using N,N′-methylene-bis-acrylamide and ammonium persulfate as a crosslinker-initiator system. The semi-IPN has been observed to exhibit as much as 2183% swelling in aqueous solution. The effect of several variables such as time, solvent, pH, microwave power, crosslinker amount, aniline concentration, initiator concentration and monomer concentration on the swelling capacity was explored. In the final step, polyaniline was entrapped within a semi-IPN (optimized reaction condition) followed by doping with hydrochloric acid, which leads to the formation of conducting IPN. The synthesized hydrogels, as monitored by the swelling behaviour were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy and thermogravimetric analysis. Finally, the synthesized crosslinked networks have been used in malachite green (MG) adsorption. The result indicates that IPN of poly(acrylamide-aniline)-grafted gum ghatti are potential candidates for dye removal from water. © 2013 The Royal Society of Chemistry.
Authors & Co-Authors
Sharma, Kashma
India, Solan
Shoolini University
South Africa, Bloemfontein
University of the Free State
Kaith, Balbir Singh
India, Jalandhar
Dr. B.r. Ambedkar National Institute of Technology
Kumar, Vijay
South Africa, Bloemfontein
University of the Free State
Kumar, Vinod
South Africa, Bloemfontein
University of the Free State
Som, S.
South Africa, Bloemfontein
University of the Free State
Kalia, Susheel
India, Solan
Bahra University, Shimla
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Swart, Hendrik C.
South Africa, Bloemfontein
University of the Free State
Statistics
Citations: 81
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.1039/c3ra44809f
e-ISSN:
20462069
Research Areas
Environmental