Abstract
In an age marked by environmental consciousness, “Sonali Bags®” have emerged as promising substitutes for single-use plastic bags, invented in Bangladesh. It is a jute cellulose-based, totally biodegradable, compostable, recyclable, and environment-friendly biopolymer. However, certain physical limitations have hindered its widespread consumer appeal. To address these challenges, this study pioneers the integration of Jute Cellulose Nano-crystals (JCNC) into Sonali bags, with the objective of enhancing their physical properties. JCNC, obtained through a meticulous 64% concentrate sulfuric acid hydrolysis process, has been reinforced with Sonali Bags at varying loadings (0, 0.1, 0.2, 0.3, and 0.4 wt%). The SEM analysis showed spherical cellulose nanocrystals with high crystallinity and distinctive tear-like features on the nanoparticle's surface. Furthermore, the SEM micrographs depicted that JCNC loading up to 0.2% helped reduce the pore formation of bio-composite. Moreover, the thermal properties increased significantly, and tensile strength increased by approximately 37% MPa after reinforcing JCNC with Sonali Bag. The water-resistant capacity of 0.2% CNC reinforced film was about 30% better than other compositions. The JCNC-reinforced composite materials were found to moderate the degradation rate, contributing to the prolonged sustainability of these biodegradable solutions.
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