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61,005 resultsShowing papers similar to Impact of microcrystalline cellulose extracted from walnut and apricots shells on the biodegradability of Poly (lactic acid)
ClearValorization of Cork Stoppers, Coffee-Grounds and Walnut Shells in the Development and Characterization of Pectin-Based Composite Films: Physical, Barrier, Antioxidant, Genotoxic, and Biodegradation Properties
Researchers developed biodegradable composite films using pectin combined with waste materials from cork stoppers, coffee grounds, and walnut shells as a sustainable alternative to plastic packaging. The films showed antioxidant properties, were non-genotoxic, and biodegraded effectively in both soil and seawater within weeks. The study demonstrates that food industry and agricultural waste can be repurposed into functional, environmentally friendly packaging materials.
Effect of Almond Skin Waste and Glycidyl Methacrylate on Mechanical and Color Properties of Poly(ε-caprolactone)/Poly(lactic acid) Blends
Researchers developed novel biodegradable biocomposite blends of poly(lactic acid) and poly(epsilon-caprolactone) incorporating 10 wt.% almond shell waste and 3 wt.% glycidyl methacrylate as a compatibilizer, evaluating mechanical and color properties across multiple blend ratios to improve performance of biodegradable packaging alternatives.
High-performance biodegradable poly(lactic acid) composites with xylan and lignin copolymer
Researchers developed high-performance biodegradable poly(lactic acid) composites by incorporating xylan and lignin derived from lignocellulosic biomass, improving PLA mechanical properties and addressing its brittleness limitations while maintaining biodegradability as a sustainable alternative to conventional plastics.
Reed Fiber as a Sustainable Filler for Tuning the Biodegradability of Polylactic acid Composites
Researchers prepared reed fiber/polylactic acid (PLA/RF) composite films via melt blending and blow molding, finding that increasing reed fiber content tuned the biodegradation rate of PLA in the presence of proteinase K, with DSC, SEM, and FTIR analyses revealing changes in crystallization behavior and surface morphology during enzymatic degradation.
Investigations on Thermomechanical and Biodegradable Properties of Alkaline Hydrolysis Isolated Nano Hydroxyapatite Reinforced Polylactic Acid Composite Blown Films for sustainable Packaging
Researchers extracted nano-hydroxyapatite (n-HAp) from pink perch fish scales via alkaline hydrolysis and incorporated it at 0.25-1 wt.% into polylactic acid (PLA) blown films to develop sustainable packaging composites. Characterization via XRD, FTIR, Raman, TGA, SEM, and TEM showed that n-HAp improved the thermal, mechanical, and biodegradable properties of the PLA matrix.
Biodegradable materials based on poly(vinyl alcohol) (PVA) and poly (lactic acid) (PLA) with antioxidant and antimicrobial activity for food packaging applications
Researchers developed biodegradable food packaging films by combining poly(vinyl alcohol) and polylactic acid with natural antioxidants and antimicrobials. The resulting films extended food shelf life and degraded in the environment unlike conventional plastic packaging. Replacing petroleum-based plastic food packaging with biodegradable alternatives could significantly reduce microplastic contamination from packaging waste.
Influence of the microstructure in the biodegradability process of eco‐friendly materials based on polylactic acid and mango seed for food packaging to minimize microplastic generation
Researchers developed biocomposite food packaging materials by loading mango seed components (kernel and integument) into a polylactic acid (PLA) matrix via casting, characterizing the resulting materials for mechanical, thermal, and biodegradation properties. They found that the mango-PLA composites showed improved performance characteristics and biodegradability potential compared to pure PLA, with implications for reducing microplastic generation from food packaging disposal.
Effect of Matrix Crystallization on Vickers Hardness of Cellulose Fiber / Poly(lactic acid) Composites
This study investigated how crystallization processes affect the hardness of composites made from cellulose nanofibers and polylactic acid, a biodegradable plastic, with implications for replacing conventional fossil-fuel-based plastics.
Modification of Poly(lactic acid) by the Plasticization for Application in the Packaging Industry
Researchers investigated the modification of poly(lactic acid) through plasticization to improve its mechanical properties for use in packaging industry applications as a biodegradable alternative to conventional plastics.
Mechanical properties of fibre/ filler based poly(Lactic Acid) (Pla) composites : A brief review
This review examines the mechanical properties of polylactic acid (PLA)-based composites reinforced with natural fibers and fillers, presenting PLA as a biodegradable alternative to conventional plastics in applications ranging from agriculture to biomedical devices. Improving the strength and durability of bio-based plastics is essential for replacing petroleum-based materials that generate persistent microplastic pollution.
Aging Process of Biocomposites with the PLA Matrix Modified with Different Types of Cellulose
Researchers prepared polylactic acid composites with three different cellulose-based fillers and studied how they age under UV light exposure. The study found that the type of cellulose additive plays a crucial role in how well the material resists UV degradation, with some forms improving both mechanical properties and degradation timing. These findings support the potential of biodegradable polymer composites as alternatives to conventional plastics that generate persistent microplastic waste.
Biodegradability and Water Absorption of Macadamia Nutshell Powder-Reinforced Poly(lactic Acid) Biocomposites
Researchers studied biodegradable composites made from macadamia nutshell powder and polylactic acid to assess their breakdown and water absorption properties. The study found that increasing the nutshell powder content generally improved biodegradability but also increased water absorption. Evidence indicates that these plant-based biocomposites show promise as more sustainable alternatives to conventional plastics, though their properties vary with processing methods.
Development of a composite based on polylactic acid and lignocellulosic waste: new packaging for meat food storage
Researchers developed food packaging from polylactic acid (a biodegradable bioplastic) combined with plant-derived lignin and incorporated antimicrobial agents to extend meat shelf life. Replacing conventional plastic food packaging with biodegradable alternatives could reduce the microplastics shed from packaging into food and the environment.
Cellulose acetate oleate-reinforced poly(butylene adipate- co -terephthalate) composite materials
Researchers developed biodegradable composite films by adding cellulose acetate oleate to poly(butylene adipate-co-terephthalate), finding that a 4 wt% addition improved tensile strength by 9.5%, stiffness by 25.7%, and degradation rate by 2.8-fold, with successful application in strawberry packaging.
Modification of walnut shell lignin nanoparticles through deep eutectic solvent for application in active food packaging films
Researchers developed a biodegradable food packaging film from walnut shell waste that blocks UV light, inhibits bacteria, and extends the shelf life of fresh food. This type of renewable packaging could help reduce the microplastic pollution generated by conventional plastic food wrap, which is a significant source of tiny plastic particles that end up in our food.
Valorization of Agricultural Waste Lignocellulosic Fibers for Poly(3-Hydroxybutyrate-Co-Valerate)-Based Composites in Short Shelf-Life Applications
This paper is not about microplastics; it develops biodegradable PHBV composite films reinforced with agricultural lignocellulosic fibers (almond shell and rice husk) as a sustainable packaging alternative to conventional plastics.
Impact of the Incorporation of Nano-Sized Cellulose Formate on the End Quality of Polylactic Acid Composite Film
Researchers found that incorporating nano-sized cellulose formate fillers, including cellulose nanofibrils and nanocrystals, into polylactic acid films significantly improved mechanical strength and barrier properties while maintaining the biodegradable character of the composite, offering a path toward higher-performance sustainable packaging.
Cellulose Nanofibrils Dewatered with Poly(Lactic Acid) for Improved Bio-Polymer Nanocomposite Processing
This paper is not about environmental microplastics; it describes a manufacturing process for combining cellulose nanofibers with polylactic acid (a biodegradable bioplastic) to make stronger composite materials, with no relevance to plastic pollution or human health risk.
Properties and Degradation Performances of Biodegradable Poly(lactic acid)/Poly(3-hydroxybutyrate) Blends and Keratin Composites
Researchers tested biodegradable blends of polylactic acid and polyhydroxybutyrate with added keratin waste as fillers, assessing how well the composites degrade. The work contributes to developing plastic alternatives that break down in the environment rather than persisting as microplastics.
The Hydrolytic Behavior of Poly(Lactic Acid)/Polystyrene‐ Grafted‐Hectorite Nanocomposite Films and Its Regulatory Mechanism on Microplastics
Researchers tested how polylactic acid (PLA) films and PLA/hectorite nanocomposite films degrade in aqueous solutions of different pH levels. The nanocomposite films degraded more slowly and released fewer microplastic fragments than pure PLA, suggesting that clay mineral incorporation could reduce secondary microplastic generation from biodegradable plastics.
Study of PLA pre-treatment, enzymatic and model-compost degradation, and valorization of degradation products to bacterial nanocellulose
Researchers tested methods to break down polylactic acid (PLA), a common bio-based plastic, using chemical pre-treatment followed by enzymatic and composting processes. They then converted the degradation products into valuable bacterial nanocellulose. This work is relevant because even bio-based plastics can become microplastic pollutants, and finding ways to fully degrade them into useful materials helps close the loop on plastic waste.
Development and Characterization of Poly(butylene succinate‐co‐adipate)/Poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) with Cowpea Lignocellulosic Fibers as a Filler via Injection Molding and Extrusion Film‐Casting
Researchers developed and characterized biodegradable composite films from poly(butylene succinate-co-adipate) and polylactic acid, evaluating their mechanical properties, thermal stability, and compostability. The blended composites showed improved ductility compared to neat PLA and degraded fully under industrial composting conditions, supporting their use as sustainable packaging alternatives.
Natural Active Ingredients for Poly (Lactic Acid)-Based Materials: State of the Art and Perspectives
This review examines the incorporation of natural plant-derived compounds into poly(lactic acid) (PLA) bioplastics, covering extraction methods and the resulting antioxidant and antimicrobial properties of these materials for food and biomedical applications.
Assessment and Optimization of Thermal Stability and Water Absorption of Loading Snail Shell Nanoparticles and Sugarcane Bagasse Cellulose Fibers on Polylactic Acid Bioplastic Films
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.