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Jute is a natural fiber that decomposes organically and is widely used in textiles, composites, and many industrial applications. The cellulose’s crystallinity influences jute fibers’ durability, moisture resistance, and mechanical qualities. This study examines the impact of time, temperature, and peracetic acid (PAA) concentration on the crystallinity of cellulose jute fibers. Chemical concentration was varied with time and temperature variation to improve the crystallinity of jute fibers. After the experiment, the crystallinity of jute fibers improved altering chemical structure brought about by PAA’s removal of noncellulosic components from jute fibers. X-ray diffraction (XRD) analysis has been performed to find the crystallinity improvement in the fibers. After the chemical treatment which was performed at 2 M for 120 min at 50-60°C temperature, the maximum crystallinity was 75.34%. The findings suggest that longer treatment times and higher temperatures increase crystallinity because the PAA can easily reach the cellulose microfibrils. In addition, it was observed that the enhancement of crystallinity was significantly influenced by the optimal concentration of PAA, with an optimal concentration being identified.
Islam et al. (Fri,) studied this question.