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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.
Abstract 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 bioplastic 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.
More Papers Like This
Advancement In Mechanical Properties of Bioplastics Using Brown Algae and Eggshells— A Sustainable Method
AI summary Read the abstract
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.
Enset starch-based biocomposite film reinforced with Ethiopian bentonite clay: Improved mechanical and barrier properties
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Researchers developed an eco-friendly food packaging film made from enset starch reinforced with Ethiopian bentonite clay as an alternative to conventional plastics. Adding 5% bentonite clay increased the film's strength by 132% and reduced water permeability by 42%, making it a more practical option for food packaging. The study demonstrates a promising biodegradable material that could help reduce microplastic pollution from traditional plastic packaging.
Edible Films Based on Fish Gelatin and Soluble Soybean Polysaccharide Enriched with Tea Polyphenol for Active Food Packaging
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Researchers developed biodegradable edible films combining fish gelatin and soluble soybean polysaccharide enriched with natural additives, finding that the films showed good mechanical and barrier properties as sustainable alternatives to conventional plastic food packaging.
Assessment and Optimization of Thermal Stability and Water Absorption of Loading Snail Shell Nanoparticles and Sugarcane Bagasse Cellulose Fibers on Polylactic Acid Bioplastic Films
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This study optimized bioplastic films made from polylactic acid combined with sugarcane bagasse cellulose fibers and snail shell nanoparticles, finding that specific combinations significantly improved thermal stability and reduced water absorption compared to plain PLA films.
Eco-Friendly Bioplastic Material Development Via Sustainable Seaweed Biocomposite
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Researchers developed a seaweed-based bioplastic film using Gracilaria edulis algae combined with starch, glycerol, and chitosan. The resulting material showed mechanical properties comparable to starch-based commercial plastics, good biodegradability, and compostability, and showed potential for use in low-moisture food packaging. This work contributes to the effort to replace petroleum-based plastics with renewable alternatives that break down in the environment rather than persisting as microplastic pollution.
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.