Journal
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION
Volume 20, Issue 8, Pages 704-713Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/1023666X.2015.1081133
Keywords
Acacia leucophloea fiber; Alkali treatment; Chemical analysis; Crystallinity; Thermal degradation
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The attractive properties of raw Acacia leucophloea fibers (ALFs) resulted in this present study evaluating the physio-chemical properties of alkali-treated ALFs. The treatment of raw ALFs with 5% (w/v) sodium hydroxide solution with 45min soaking time was found to be optimum. It was found that optimally treated ALFs had relatively higher tensile strength (357-1809MPa), Young's modulus (10.45-87.57GPa), and percentage of elongation (1.91-5.88%) and high thermal stability. The optimally treated ALFs had high cellulose (76.69wt.%) and low hemicellulose (3.81wt.%) and lignin (13.67wt.%) contents and higher crystallinity index (74.27%), as evidenced by the results of chemical and X-ray diffraction analyses.
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