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Development and Evaluation of Tensile Strength, Water Resistance, and Biodegradability of Bioplastic using Mermaid’s Fan (Padina pavonica) Seaweed and Extracted Cellulose from Coconut (Cocos nucifera) Lumber Sawdusts
Summary
Bioplastic formulated from Mermaid's Fan seaweed alginate and coconut lumber cellulose showed that 35% cellulose content maximized biodegradation rate, though tensile strength was not significantly improved over lower concentrations. Developing seaweed-based bioplastics offers a marine-derived, biodegradable alternative to petroleum plastics, directly addressing the feedstock source of most environmental microplastic pollution.
Plastic pollution has increased demand for bioplastic alternatives. This study developed bioplastic from Mermaid’s fan seaweed alginate and cellulose extracted from coconut lumber sawdust. Bioplastics were produced through alginate extraction, cellulose isolation, and material testing, with data analyzed using one-way ANOVA at 0%, 35%, and 70% cellulose concentrations. Results showed no statistically significant differences in tensile strength and water resistance among treatments (p > 0.05). However, water degradation differed significantly (p < 0.05), with the 35% cellulose formulation exhibiting the highest mass loss and fastest degradation. These findings indicate cellulose mainly affects degradation behavior. Therefore, Mermaid’s fan-based bioplastic shows eco-friendly potential as an alternative to conventional plastics.