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61,005 resultsShowing papers similar to Effect of the combined addition of ultrasonicated kraft lignin and montmorillonite on hydroxypropyl methylcellulose bionanocomposites
ClearStudy of Hybrid Humic Acids Modification of Environmentally Safe Biodegradable Films Based on Hydroxypropyl Methyl Cellulose
Researchers modified hydroxypropyl methyl cellulose biodegradable films with different types of humic acids from lignite, producing hybrid films with improved mechanical strength and antibacterial properties as a safer alternative to synthetic plastic films.
Hydrogen-bonded lignin-acrylic copolymer/WPU composites with Integrated UV shielding, antioxidancy and degradability
Researchers synthesized a lignin-acrylic copolymer from rice straw waste and blended it with waterborne polyurethane to create a composite film with 43% higher tensile strength, near-total UV blocking, and dramatically improved antioxidant capacity, offering a biodegradable, microplastic-reducing alternative to conventional plastic films.
Barrier Performance of Spray Coated Cellulose Nanofiber–Montmorillonite (MMT) Composites
Researchers developed cellulose nanofiber coatings blended with clay minerals to create paper-based packaging with very low oxygen permeability. This biodegradable alternative to plastic packaging could help reduce plastic waste in food packaging applications.
Biodegradable, Flexible and Ultraviolet Blocking Nanocellulose Composite Film Incorporated with Lignin Nanoparticles
Composite films combining cellulose nanofibrils with lignin nanoparticles from two isolation methods were fabricated, producing biodegradable, flexible materials with strong UV-blocking performance suitable as plastic film replacements. The lignin-CNF composites achieved UV absorbance through the natural chromophore properties of lignin without requiring synthetic UV additives.
Constructing robust and antioxidant polyurethane–lignin coatings with biodegradable properties for grass press paper films
This study developed polyurethane coatings incorporating lignin to create robust, antioxidant surface treatments with biodegradable characteristics, testing mechanical durability and antioxidant performance. The lignin-modified coatings showed improved oxidative stability while maintaining protective properties.
Functional surfaces, films, and coatings with lignin – a critical review
This review examines the use of lignin, the most abundant polyaromatic biopolymer, in functional coatings and films. Researchers highlight lignin's intrinsic properties including UV-blocking, oxygen scavenging, and antimicrobial capabilities, with applications ranging from food packaging to antifouling membranes as a potential replacement for fossil-based polymers.
Design of cellulose nanofibre-based composites with high barrier properties
Researchers tested four types of cellulose nanofibres and two clay mineral combinations for making composite films with gas barrier properties, finding that TEMPO-oxidized and cationized nanofibres with clay minerals produced films with superior mechanical and barrier performance. These plant-derived composites offer a sustainable alternative to petroleum-based packaging films.
Conversion of Cellulose and Lignin Residues into Transparent UV-Blocking Composite Films
Researchers developed UV-blocking composite films by chemically converting cellulose and lignin residues from three biomass sources (aspen wood, poplar wood, and corn stover) via a dissolution-regeneration process, assessing their UV-blocking performance as a sustainable alternative to petrochemical plastic films. Results showed that all three lignin residue types enhanced the UV-blocking properties of the composite films, supporting their potential in functional biorefinery-integrated packaging.
Insight into the complex coupling agents on thermal, mechanical, and barrier properties of lignin‐poly(3‐hydroxybutyrate‐co‐3‐hydroxyhexanoate) biocomposites
Researchers developed lignin-poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) biocomposites using complex coupling agents (maleic anhydride and KH550) as a cost-reducing and performance-enhancing strategy to replace conventional plastics, finding that the dual-coupling modification improved thermal stability, mechanical strength, barrier properties, UV resistance, and antioxidant activity compared to single-agent modifications.
Moving Toward Paperization of Packaging Industry: Use of Laponite and Montmorillonite Nanoclays for Recyclable and Biodegradable High-Barrier Paper
Researchers developed a biodegradable paper coating using polyvinyl alcohol and nanoclays (laponite and montmorillonite) that achieves oxygen barrier performance nine times better than PET plastic film. This work is directly relevant to microplastic pollution because replacing conventional plastic packaging with biodegradable, non-microplastic-forming alternatives is a key strategy for reducing environmental plastic loads.
Bio-nanocomposites films based on unmodified and modified thermoplastic starch reinforced with chemically modified nanoclays
Researchers developed biodegradable bio-nanocomposite films by combining chemically modified thermoplastic starch with functionalized nanoclays via reactive extrusion, demonstrating that both strategies synergistically reduce water sensitivity and improve mechanical and barrier properties — offering a pathway toward more stable, sustainable packaging materials that degrade without generating persistent plastic waste.
Nano-Structured Lignin as Green Antioxidant and UV Shielding Ingredient for Sunscreen Applications
This review covered the use of lignin nanoparticles as green antioxidants and UV-shielding agents in sunscreen and antiaging cosmetics, highlighting the enhanced properties of nanoscale lignin derived from pulp and paper industry waste.
Biodegradable UV-Protective Composite Film from Cellulosic Waste: Utilisation of Cotton Gin Motes as Biocomponent
Researchers developed biodegradable composite films by compounding cotton gin mote waste powder (up to 50% by weight) with polycaprolactone (PCL) and polyethylene glycol plasticizer, using a solvent-free melt extrusion process. The resulting films exhibited UV-shielding properties from lignin in the cotton waste, with 9.5 MPa yield strength and 442% elongation, offering a renewable alternative to non-biodegradable plastic films.
High Barrier, Biodegradable Nanocomposite Films Based on Clay‐Coated and Chemically Modified Gum Kondagogu
Researchers fabricated biodegradable nanocomposite films from tree gum kondagogu coated with spray-applied sodium-hectorite clay dispersion, achieving very high barrier properties including low oxygen transmission rate (approximately 1.7 cm3/m2/day) even at high relative humidity. The films were designed as a sustainable, mechanically stable substitute for petro-sourced plastic packaging materials in response to microplastic pollution concerns.
Effect of the Incorporation of Lignin on Starch/PVA Blend Films Produced by Casting
Researchers produced and characterized starch/PVA blend films incorporating varying amounts of lignin (0%, 0.5%, 1%, and 2%) using a casting method, aiming to improve the mechanical and barrier properties of biodegradable packaging materials. The study identified optimal lignin concentrations that enhance film performance while maintaining biodegradability as an alternative to conventional polymeric materials.
Flexible Cellulose Nanofiber (CNF)-Nano- Montmorillonite (MMT) Composite Sheet Structure and Water Vapor Barrier Performance
Researchers developed flexible composite sheets by spray-coating nano-montmorillonite (MMT) into cellulose nanofiber (CNF) suspensions, finding that increasing MMT content significantly reduced water vapor permeability compared to CNF films alone, offering a biodegradable alternative to plastic packaging.
Exploring the Potential of Essential Oils as Bio‐Additives to Enhance the UV Protection and Antibacterial Properties of Chitosan Films
Researchers incorporated hybrid formulations of eucalyptus and thyme essential oils into high- and low-molecular-weight chitosan films, finding that high-molecular-weight chitosan significantly enhanced essential oil dispersion and improved UV barrier properties, with UV blocking increasing to 46.8% at 400 nm.
Effects of Lignin on the Thermal and Morphological Properties and Damages Mechanisms after UV Irradiation of Polypropylene Biocomposites Reinforced with Flax and Pine Fibres: Acoustic Emission Analysis
This is not about microplastic pollution — it is a materials science study examining how lignin content affects the UV aging, thermal degradation, and structural damage of polypropylene composites reinforced with flax and pine wood fibers, evaluated using acoustic emission analysis.
Green and Scalable Preparation of Colloidal Suspension of Lignin Nanoparticles and Its Application in Eco-friendly Sunscreen Formulations
Researchers developed a scalable, solvent-free method to produce lignin nanoparticles and demonstrated their use as a natural UV-absorbing ingredient in eco-friendly sunscreen formulations, offering a biodegradable alternative to synthetic UV filters.
3D-Printed Polylactic Acid/Lignin Films with Great Mechanical Properties and Tunable Functionalities towards Superior UV-Shielding, Haze, and Antioxidant Properties
Researchers incorporated lignin into polylactic acid (PLA) to create 3D-printable composite filaments, finding that lignin addition improved mechanical properties and enabled tunable functionalities in the resulting films, expanding options for sustainable additive manufacturing materials.
The relationship of structure, thermal and water vapor permeability barrier properties of poly(butylene succinate)/organomodified beidellite clay bionanocomposites prepared by in situ polycondensation
This chemistry paper describes the synthesis of biodegradable polymer nanocomposites using plant-based materials and clay nanofillers, aimed at reducing reliance on conventional plastics. The research focuses on materials chemistry rather than environmental microplastic impacts.
Effect of nanofibrillated cellulose on alginate and chitosan film properties as potential barrier coatings for paper food packaging
Researchers tested nanofibrillated cellulose as an additive for chitosan and alginate biopolymer films intended for food packaging applications. The study found that adding oxidized nanofibrillated cellulose improved the mechanical and barrier properties of the films, suggesting these biodegradable composites could serve as alternatives to conventional plastic packaging coatings.
Poly(vinyl chloride) Films Incorporated with Antioxidant ZnO-Flavonoid Nanoparticles: A Strategy for Food Preservation
Researchers developed poly(vinyl chloride) films incorporating ZnO-flavonoid nanoparticles as antioxidants, evaluating their mechanical, optical, and antimicrobial properties for potential use in food packaging applications.
A multifunctional biogenic films and coatings from synergistic aqueous dispersion of wood-derived suberin and cellulose nanofibers
Researchers developed multifunctional bio-based packaging films and coatings using suberin, an industrial byproduct, stabilized with amphiphilic cellulose nanofibers. The resulting materials demonstrated UV shielding and antimicrobial properties while serving as effective food packaging. The study presents a sustainable alternative to conventional plastic packaging that could help reduce microplastic pollution from packaging degradation.