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Natural fibers are currently used as a replacement for synthetic fibers in all possible applications. To enhance the natural fiber’s application suitability, it is necessary to perform alternations on the fiber’s surface using a treatment. The present work deals with the enrichment of various characteristics of  Albizia julibrissin  fibers extracted from  Albizia julibrissin  plant stem using mercerization process using 5 (W/V)% of sodium hydroxide solution at four various soaking periods (15, 30, 45, and 60 minutes). The chemical analysis results showed that 45 minutes of the soaking period showed enhanced cellulose content of 60.30%, which was slightly higher than other soaking periods. Thermal analysis showed that char residue was 32% with a maximum degradation temperature of 350.5°C. X-ray diffraction results showed 45 minutes mercerized  Albizia julibrissin  fibers had a higher crystalline index of 36.36%, while the untreated  Albizia julibrissin  fibers had 27.77%. Scanning electron microscope elucidated that mercerization process removed the unwanted dirt’s from the surface of  Albizia julibrissin  fibers; this can aid in better mechanical interlocking with the matrix upon its usage in polymer composites. These desirable things make optimal mercerized  Albizia julibrissin  fibers as a suitable reinforcement.

Suitability Evaluation of Mercerized Albizia Julibrissin Fiber as a Potential Reinforcement for Bio-composites