Thermal analysis of less common lignocellulose fibers

The thermal behavior of four unusual lignocellulose fibers — namely Caroa, Curaua, Piassava and Sponge gourd — is described. Caroa and Curaua fibers showed a more homogeneous thermal degradation, with a single peak dominating in the DTG curve. Piassava and Sponge gourd showed two separated peaks, re...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2008-02, Vol.91 (2), p.405-408
Main Authors: d’Almeida, A. L. F. S., Barreto, D. W., Calado, V., d’Almeida, J. R. M.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Applied sciences
Cellulose and derivatives
Chemistry
Chemistry and Materials Science
Exact sciences and technology
Inorganic Chemistry
Measurement Science and Instrumentation
Natural polymers
Physical Chemistry
Physicochemistry of polymers
Polymer Sciences
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Summary:The thermal behavior of four unusual lignocellulose fibers — namely Caroa, Curaua, Piassava and Sponge gourd — is described. Caroa and Curaua fibers showed a more homogeneous thermal degradation, with a single peak dominating in the DTG curve. Piassava and Sponge gourd showed two separated peaks, revealing the more pronounced amounts of hemicellulose present at these fibers. All four fibers are, however, thermally stable up to temperatures of around 200°C. The activation energies for the thermal degradation of the fibers were similar, except for the Caroa fiber. The lower activation energy associated to this fiber was attributed to its higher hemicellulose to cellulose ratio.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-007-8606-6