Synthesis, Characterization and Evaluation of the Transformations in Hibiscus sabdariffa-graft-polybutyl acrylateReportar como inadecuado




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E-Journal of Chemistry - Volume 5 2008, S1, Pages S980-S986

Dr. B. R. Ambedkar National Institute of Technology, Deemed University, Jalandhar Pb, India

Received 2 March 2008; Accepted 1 May 2008

Copyright © 2008 Hindawi Publishing Corporation. 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

Different reaction parameters for the graft copolymerization of butyl acrylate onto Hibiscus sabdariffa fiber were optimized. Graft copolymers thus obtained were subjected to characterization using XRD, TGA, DTA, SEM and FTIR techniques and were evaluated for physio-chemical changes in the behavior. The percentage crystallinity and crystallinity index were found to decrease with increase in grafting while there was reduction in moisture absorption and increase in chemical, thermal resistance of the graft copolymers.





Autor: B. S. Kaith and Aashish Chauhan

Fuente: https://www.hindawi.com/



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