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61,005 resultsShowing papers similar to Optimisation des mousses de PLA produites par méthode supercritique : Influence de la modification chimique et de l'incorporation de CNC sur les structures cellulaires résultantes
ClearScCO2-assisted fabrication and compressive property of poly (lactic acid) foam reinforced by in-situ polytetrafluoroethylene fibrils
Researchers developed biodegradable poly(lactic acid) foam reinforced with polytetrafluoroethylene fibrils using supercritical CO2 foaming, achieving a 30% improvement in specific compressive strength and two orders of magnitude increase in storage modulus at 5 wt% PTFE content. The approach improves PLA's typically poor melt strength and slow crystallization, making it a more viable bio-based alternative to petroleum-based plastic foams.
Fabrication of biodegradable poly (lactic acid)/carbon nanotube nanocomposite foams: Significant improvement on rheological property and foamability
Researchers developed a CO2-based foaming method to fabricate ultra-low-density biodegradable polylactic acid/carbon nanotube nanocomposite foams, finding that even small additions of carbon nanotubes dramatically improved rheological properties and foamability.
Energy absorption and resilience in quasi-static loading of foam-formed cellulose fibre materials
Researchers investigated lightweight foam-formed cellulose fibre materials as potential replacements for fossil-based plastic cushioning in packaging applications. They tested a wide range of material compositions and densities, finding that fibre type and refining significantly influenced energy absorption and resilience during compression. The study demonstrates that cellulose-based foams could provide adequate mechanical protection for packaging while avoiding the microplastic pollution associated with conventional plastic foams.
A Review on the Modification of Cellulose and Its Applications
This review summarizes recent advances in cellulose modification techniques and applications, including its use as a sustainable alternative to synthetic polymers. The study discusses how modified cellulose materials could help address plastic pollution by providing biodegradable substitutes for conventional plastic products.
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.
Renewable cellulosic nanocomposites for food packaging to avoid fossil fuel plastic pollution: a review
Researchers reviewed how cellulose nanoparticles extracted from plant biomass can replace petroleum-based plastics in food packaging, finding that adding just 1–5% cellulose nanoparticles significantly improves strength, reduces oxygen and water vapor permeability, and keeps packaging biodegradable. The review positions cellulose nanocomposites as a scalable, eco-friendly alternative to fossil-fuel plastics that contribute to microplastic pollution.
Silicon-infused bacterial cellulose: in situ bioprocessing for tailored strength and surface characteristics
Not relevant to microplastics — this is a materials science study on producing silicon-modified bacterial cellulose for applications requiring tailored surface characteristics and tensile strength.
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.
PET foaming: development of a new class of rheological additives for improved processability
This paper describes development of rheological additives to improve PET foaming for lightweight packaging, as an alternative to hard-to-recycle foamed polystyrene. Replacing polystyrene foam with more recyclable materials is important for reducing ocean microplastic pollution from packaging waste.
Tuning pore size and density of rigid polylactic acid foams through thermally induced phase separation and optimization using response surface methodology
Researchers developed a method for making rigid, porous polylactic acid (PLA) foam — a biodegradable plastic — using a freeze-separation process, then used statistical modeling to optimize pore size and density. By fine-tuning factors like polymer concentration and temperature, they achieved specific foam structures useful for filtration, insulation, or biomedical applications.
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.
Lightweight carbon foam obtained from post-use polyethylene terephthalate bottles, properties, and potential applications
Researchers synthesized lightweight carbon foam from post-consumer PET plastic bottles via a controlled carbonization process, characterizing the foam's physical and chemical properties and exploring its potential as a value-added material from plastic waste recycling.
Valorization of wood pulp to mechanically strong and biodegradable packaging foams by wet foaming process
Researchers developed biodegradable packaging foams from wood pulp and lignin using a wet foaming process, optimizing surfactant concentration and foaming time to achieve densities as low as 0.013 g/cm3 and porosities up to 99.2% as sustainable alternatives to expanded polystyrene.
Energy Absorption and Resilience in Quasi-Static Loading of Foam-Formed Cellulose Fibre Materials
Researchers investigated foam-formed cellulose fibre materials as biodegradable replacements for fossil-based plastic cushioning in packaging, testing 129 trial formulations with densities from 21 to 123 kg per cubic meter to characterize quasi-static energy absorption and mechanical resilience properties.
Cellulose Acetate Microsphere in Cosmetics Application and Sustainability Benefits
Researchers developed biodegradable cellulose acetate microspheres as a sustainable replacement for synthetic microplastic particles in cosmetics, producing smooth spherical particles via thermal phase separation that deliver comparable sensory performance while avoiding persistent plastic pollution in the environment.
Acoustic and thermal characterization of a novel sustainable material incorporating recycled microplastic waste
Researchers created a new eco-friendly foam material by embedding recovered marine microplastics into a bio-based matrix, producing an open-cell insulating material with strong acoustic and thermal properties. The innovation offers a potential path to upcycle hard-to-recycle mixed marine plastic waste into useful building and industrial insulation products.
Effect of different natural plasticizers on Ethyl Cellulose Oleogel bioplastic
Researchers investigated the effect of various natural plasticizers on the mechanical and physical properties of ethyl cellulose oleogel bioplastics, aiming to improve plasticity and processability as a biodegradable, biocompatible alternative to fossil-based packaging plastics.
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.
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.
Effects of microcrystalline cellulose on some performance properties of chitosan aerogels
Researchers developed bio-based aerogels from chitosan reinforced with microcrystalline cellulose, testing their physical and mechanical properties. This work explores sustainable, biodegradable materials that could reduce reliance on conventional petroleum-based plastics.
A Novel Equivalent Method for Computing Mechanical Properties of Random and Ordered Hyperelastic Cellular Materials
This engineering paper develops a computational method for predicting the mechanical properties of cellular foam materials using equivalent structural models. The study is focused on materials engineering and is unrelated to microplastic research.
Potential contribution of nanotechnolgy to the circular economy of plastic materials
This paper reviews how nanotechnology could support a circular plastic economy by improving recycled plastic properties and enabling catalytic breakdown of plastics into reusable monomers. Nano-additives and nano-catalysts are identified as promising tools for shifting plastic management from linear waste to resource recovery.
Application of Spray Coating in the Fabrication of Free Standing Nanocellulose Films and Barrier Coating on the Paper Substrates
Researchers developed cellulose acetate microspheres as a sustainable alternative to synthetic microplastic beads in cosmetics, producing spherical particles with high surface smoothness through polymer thermal phase separation that provide a smooth sensory texture while being biodegradable and environmentally safe.
Analisis Sifat Fisis dan Mekanik Biodegradable Foam Berbahan Dasar Selulosa Jerami Padi dan Polivinyl Alcohol
This paper is not about microplastics — it reports on the physical and mechanical properties of biodegradable foam made from rice straw cellulose and polyvinyl alcohol as a potential alternative to styrofoam, focusing on material science rather than microplastic pollution or health impacts.