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Advancement In Mechanical Properties of Bioplastics Using Brown Algae and Eggshells— A Sustainable Method
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Researchers developed a bioplastic using sodium alginate from brown algae and calcium carbonate from eggshells, testing its tensile strength, water absorption, and biodegradability as a sustainable alternative to conventional petroleum-based plastics.
Plastic pollution poses a major threat to ecosystems and human health due to the slow decomposition of conventional plastics. This study aims to develop a sustainable bio-plastic with enhanced mechanical properties using sodium alginate extracted from brown algae and calcium carbonate from organic eggshells. The bioplastic was fabricated and tested for tensile strength, water absorbability and biodegradability. The results revealed that the incorporation of sodium alginate and eggshell powder increased hanging strength by 1800% compared to control samples, while biodegradability improved significantly, with complete degradation achieved within seven days. However, an increase in water absorbability was observed, attributed to the hydrophilic nature of sodium alginate. Future studies will focus on enhancing the hydrophobic properties and thermal strength of the bioplastic. These findings contribute to the growing efforts to develop affordable, high-performance biodegradable plastics, supporting sustainability goals in the United Arab Emirates and beyond.
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Advancement In Mechanical Properties of Bioplastics Using Brown Algae and Eggshells— A Sustainable Method
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Researchers developed bioplastic films incorporating brown algae and eggshell as reinforcing fillers, characterizing the mechanical and thermal properties of the resulting composites and finding that the bio-based additives improved tensile strength and biodegradability.
Synthesis and Characterization of Bioplastic from Macroalgae Padina australis
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Researchers produced bioplastic from the brown macroalgae Padina australis as an alternative to petroleum-based synthetic plastics, which are major environmental pollutants. The alginate-based bioplastic showed promising material properties, suggesting marine algae could be a sustainable raw material for reducing plastic waste.
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Researchers developed a fully recyclable and biodegradable plastic material created through solid polyelectrolyte complexation of naturally occurring biopolymers, enhancing their polyelectrolyte strength to achieve mechanical properties competitive with conventional single-use packaging plastics. The study demonstrated that this approach addresses both the microplastic pollution problem and fossil fuel dependence while enabling end-of-life recyclability.
Exploring the Characterizations of Gelatin-Agar Bioplastics: An Eco-Friendly Alternative for Conventional Plastics
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Researchers developed a gelatin-agar bioplastic film using glycerol as a plasticizer, finding that approximately 72% of the material degraded naturally within 18 days, with tensile strength up to 0.32 MPa and good water resistance, demonstrating potential as a biodegradable alternative to petroleum-based plastics.
Assessing the Performance and Biodegradability of Sargassum sp. Bioplastics as an Alternative to Conventional Plastics
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Researchers produced bioplastic films from Sargassum seaweed abundant along Malaysian coastlines and found the material outperformed synthetic plastic in strain endurance and decomposed fully in soil within 28 days, though its extreme water absorption (exceeding 1000%) due to alginate's hydrophilic nature remains a barrier to practical applications.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.