Spectroscopic, Mechanical, and Thermal Characterization of Native and Modified Nigerian Coir Fibers

Coir fibers native to Nigeria and their modified forms viz: acetylated coir, oxidized coir, and mercerated coir have been characterized by spectroscopic, thermal, mechanical, and microscopic techniques. The CP/MAS 13 C NMR spectra revealed that the modification of these fibers did not affect the cel...

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Bibliographic Details
Published in:Journal of natural fibers 2016-09, Vol.13 (5), p.520-531
Main Authors: Akintayo, C. O., Azeez, M. A., Beuerman, Sabine, Akintayo, E. T.
Format: Article
Language:English
Subjects:
Coir
Coir fibers
Crystal structure
Fibers
mechanical spectroscopic
Scanning electron microscopy
Spectra
Spectroscopy
Thermal properties
Thermal stability
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椰壳纤维
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Summary:Coir fibers native to Nigeria and their modified forms viz: acetylated coir, oxidized coir, and mercerated coir have been characterized by spectroscopic, thermal, mechanical, and microscopic techniques. The CP/MAS 13 C NMR spectra revealed that the modification of these fibers did not affect the cellulose type (C-1) and that the fibers are moderately crystalline. All the fibers can be said to be thermally stable until 200°C and based on the cumulative mass loss at 400°C modification of the coir fibers promoted an increase in thermal stability in the order mercerated coir > oxidized coir > acetylated coir > native coir. The mechanical and morphological properties of the native and modified Nigerian coir were also investigated using universal testing machine and scanning electron microscope, respectively, and the results are discussed.
ISSN:1544-0478
1544-046X
DOI:10.1080/15440478.2015.1076365