Flocculation and Color Removal Performances of Polyacrylamide and Poly N, N-Dimethylacrylamide Grafted Starch: A Comparative Study
American Journal of Polymer Science and Technology
Volume 3, Issue 1, January 2017, Pages: 1-11
Received: Oct. 4, 2016; Accepted: Nov. 24, 2016; Published: Feb. 13, 2017
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Haradhan Kolya, Postgraduate Division of Chemistry, Midnapore College (Autonomous), Midnapore, India
Tridib Tripathy, Postgraduate Division of Chemistry, Midnapore College (Autonomous), Midnapore, India
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Starch-g-polyacrylamide (St-g-PAM) and Starch-g- poly (N, N-dimethylacryl amide) (St-g-PDMA) were prepared by using acrylamide (AM) and N, N-dimethylacrylamide (DMA) by Ce (IV) ion induced aqueous polymerization technique. Various grafting parameters were optimized. The so prepared graft copolymers were characterized by fourier transform infrared spectroscopy (FTIR) spectroscopy, molecular weight determination by size exclusion chromatography (SEC), thermal analysis (TGA / DTG), X-ray powder diffraction (XRD) and biodegradation studies. Flocculation performances of the graft copolymers were compared in 1.0 wt% bentonite clay, 1.0 wt % coal suspensions and 10 wt% malachite green (a textile dye) solution and in a textile dye effluent. Between the two polymers St-g-PAM and St-g-PDMA, the later showed better performance in the flocculation of bentonite and coal suspensions but the former showed better performance in the color removal from the malachite green solution and from one of the textile industrial waste water.
Graft Copolymerization, Starch, Color Removal, Flocculation, Poly (N, N-dimethylacrylamide)
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Haradhan Kolya, Tridib Tripathy, Flocculation and Color Removal Performances of Polyacrylamide and Poly N, N-Dimethylacrylamide Grafted Starch: A Comparative Study, American Journal of Polymer Science and Technology. Vol. 3, No. 1, 2017, pp. 1-11. doi: 10.11648/j.ajpst.20170301.11
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