Physical, chemical, and surface properties of alkali-treated Indian hemp fibers

Sangappa and Rao, B. L. and Asha, S. and Kumar, R. M. and Somashekar, R. (2014) Physical, chemical, and surface properties of alkali-treated Indian hemp fibers. Composite Interfaces, 21 (2). pp. 153-159. ISSN 0927-6440

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The plant fibers are rich in cellulose and they are easily renewable source of fibers with the potential for polymer reinforcement. The presence of surface impurities and the large amount of hydroxyl groups make plant fibers less attractive for reinforcement of polymeric materials. Hemp (Cannabis sativa L.) fibers were subjected to alkalization using 1N sodium hydroxide (NaOH). The physical, chemical, and surface properties of untreated and chemically modified fibers are studied using X-ray diffraction (wide angle X-ray scattering), Fourier transform infrared spectroscopy and scanning electron microscopy (SEM), respectively. The microstructural parameters such as crystallite size \textlessN\textgreater, lattice strain (g in %), and enthalpy (α;*) have been determined by X-ray line profile analysis using Fourier method of Warren. It was found that the crystallite size \textlessN\textgreater decreases with the increase in treatment time. SEM study shows the fibers surface becoming rough and suitable for reinforcement. © 2013 Taylor & Francis.

Item Type: Article
Uncontrolled Keywords: X ray diffraction, Fourier transform infrared spectroscopy, Scanning electron microscopy, Polymers, Reinforcement, Crystallite size, Hemp, Microstructural parameters, X ray scattering, Surface properties, Wide angle X-ray scattering, Fibers, Surface Properties, X Ray Diffraction, X-ray line profile analysis, WAXS, Sodium hydroxides, Chemically modified, Hemp fibers, Impurities, Polymer reinforcements, Renewable sources, Scanning Electron Microscopy, Surface impurities, Textile fibers, Textile Fibers
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: Arshiya Kousar Library Assistant
Date Deposited: 30 Aug 2019 05:43
Last Modified: 30 Aug 2019 05:43

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