Native Cellulose: Structure, Characterization and Thermal Properties
By M. Poletto, H. L. Ornaghi Júnior, A. J. Zattera. Materials, 2014
931 citations recorded by the source corpus.
In this work, the relationship between cellulose crystallinity, the influence of extractive content on lignocellulosic fiber degradation, the correlation between chemical composition and the physical properties of ten types of natural fibers were investigated by FTIR spectroscopy, X-ray diffraction and thermogravimetry techniques. The results showed that higher extractive contents associated with lower crystallinity and lower cellulose crystallite size can accelerate the degradation process and reduce the thermal stability of the lignocellulosic fibers studied. On the other hand, the thermal decomposition of natural fibers is shifted to higher temperatures with increasing the cellulose crystallinity and crystallite size. These results indicated that the cellulose crystallite size affects the thermal degradation temperature of natural fibers. This study showed that through the methods used, previous information about the structure and properties of lignocellulosic fibers can be obtained before use in composite formulations.
Subfields: Biomaterials, Biomedical Engineering, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/fbc901358a522ffe0988fdd2091a341df73b47d5
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Citations in the corpus
- Effect of high residual lignin on the thermal stability of nanofibrils and its enhanced mechanical performance in aqueous environments (2015, background): “2012), and amount of inter and intramolecular hydrogen bonds (Poletto et al. 2014).”
- Comparative study of cellulosic components isolated from different Eucalyptus species (2018, methodology): “Since lignin degrades over a wide temperature range (250–600 C), it does not show a characteristic peak (Popescu et al. 2011; Poletto et al. 2014).”