Characterization of Natural Cellulose Fibers from the Stem of Albizia Julibrissin as Reinforcement for Polymer Composites

ABSTRACT

This current study focuses on the suitability evaluation of cellulose fibers from the stem of Albizia julibrissin (AJ) plant. Density, Diameter, chemical constitutions, thermal degradation nature, crystallinity and topographical properties of AJF was evaluated. The results concluded that the cellulose percentage was higher with 55.83 wt. % with a lower percentage of lignin (16.03 wt. %) and hemicellulose (10.74 wt. %) for AJ fibers. The X-Ray diffraction analysis revealed that the crystallinity index value of the proposed fiber is 27.77% and the crystalline size is 6.79 nm. The thermo gravimetric analysis showed excellent stability with a char residue of 25.23% and a maximum degradation temperature of 330°C. Based on the outcomes in comparison with other cellulose fibers, it is proved that AJ fibers could be effectively used as reinforcement in the manufacturing of lightweight composites.

摘要

本文对合欢属植物茎中纤维素纤维的适宜性进行了研究. 对AJF的密度、直径、化学组成、热降解性质、结晶度和形貌进行了评价. 结果表明，AJ纤维的纤维素含量较高，为55.83%，木质素（16.03%）和半纤维素（10.74%）含量较低. X射线衍射分析表明，该纤维的结晶度指数为27.77%，晶粒尺寸为6.79nm. 热重分析显示出良好的稳定性，残炭率为25.23%，最高降解温度为330℃. 通过与其他纤维素纤维的比较，证明AJ纤维可以有效地用作轻质复合材料的增强材料.

KEYWORDS:

• Albizia julibrissin fibers
• chemical composition
• composite reinforcement
• crystallinity index
• chemical functional groups

关键词:

• 合欢纤维
• 化学成分
• 复合钢筋
• 结晶度指数
• 化学官能团