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Papers
61,005 resultsShowing papers similar to Effects of ε‐polylysine and chitosan functionalization on pulp board properties for food packaging
ClearHigh Barrier Sustainable Paper Coating Based on Engineered Polysaccharides and Natural Rubber
Researchers developed a paper-based food packaging coating using engineered polysaccharides and natural rubber that provides barrier performance approaching that of plastic films while being biodegradable and avoiding microplastic formation. The coating maintained oxygen and moisture barrier properties under stress conditions relevant to food shelf life.
Bio-Based Dual-Layer UV-Cured Oil- and Water-Resistant Paper Coating for Food Packaging Applications
Despite its title referencing bio-based paper coatings for food packaging, this paper studies how chitosan and plant-oil-derived coatings can replace fluorine-based chemicals on paper food packaging to resist water and oil — not microplastic pollution. It examines barrier performance and mechanical strength and is not relevant to microplastics or human health.
Preparation and Characterization of Degradable Cellulose−Based Paper with Superhydrophobic, Antibacterial, and Barrier Properties for Food Packaging
Researchers prepared food packaging paper coated with polylactic acid and cinnamaldehyde as a barrier layer and nano silica-modified stearic acid as a superhydrophobic outer layer, creating a cellulose-based alternative to plastic packaging. The resulting material showed excellent water resistance, thermal stability, and antimicrobial activity while being made from renewable and biodegradable components.
Sustainable Water- and Oil-Repellent Coating for Disposable Meal Boxes Based on Highly Deacetylated Chitosan
Researchers developed a sustainable, fluorine-free chitosan-based coating for paper meal boxes that provides water and oil resistance, offering an environmentally safer alternative to conventional petrochemical and fluorinated coatings that generate microplastics and PFAS contamination.
Zein/eugenol electrospun mats on gelatin/laponite substrate for developing bilayer functional food packaging
Researchers developed a bilayer food packaging material by electrospinning zein-eugenol antimicrobial fibers directly onto a gelatin-laponite barrier film, creating a plastic-free composite that extends pork shelf life and avoids the microplastic pollution associated with conventional petroleum-based packaging.
Bio-Based Monoepoxy-TerminatedPolysiloxane-ModifiedCoating for Hydrophobic and Oil-Resistant Paper
Researchers developed a bio-based coating material by grafting monoepoxy-terminated polysiloxane onto chitosan and cellulose nanofibers via a one-pot method, producing films with tunable hydrophobic and oil-resistant properties for sustainable packaging paper as an alternative to nondegradable plastic coatings.
Enhancing water resistance and mechanical properties of starch‐based edible biofilms through chitosan, seaweed, and sodium tripolyphosphate modifications
Researchers developed improved starch-based edible biofilms using chitosan, seaweed, and sodium tripolyphosphate as sustainable alternatives to single-use plastic food wrapping. The study found that these modifications significantly enhanced the biofilms' mechanical strength and water resistance while maintaining non-toxic and antimicrobial properties, offering a promising eco-friendly replacement for conventional plastic packaging.
Fabrication of water/oil-resistant paper by nanocellulose stabilized Pickering emulsion and chitosan
Researchers developed a plastic-free, biodegradable water- and oil-resistant paper coating using cellulose nanofibrils and chitosan in a Pickering emulsion system. The coating provided excellent barrier properties against water and oil while maintaining paper recyclability and compostability. The study offers a promising alternative to conventional plastic-based food packaging coatings that contribute to microplastic pollution.
Development and characterization of active gelatin-chitosan packaging incorporated with guava leaf extract for extending meat shelf life
Researchers developed active food packaging films made from gelatin and chitosan incorporating natural antimicrobial agents, evaluating their barrier properties, mechanical strength, and ability to extend food shelf life. The bio-based packaging showed effective antimicrobial activity and reduced food spoilage compared to untreated films.
An Antibacterial and Antioxidant Food Packaging Film Based on Amphiphilic Polypeptides‐Resveratrol‐Chitosan
Researchers developed a biodegradable food packaging film made from natural materials including chitosan and resveratrol that kills bacteria and prevents food spoilage. Unlike conventional plastic packaging that breaks down into microplastics, this film is made entirely from biological materials and poses no microplastic contamination risk. This type of eco-friendly alternative could help reduce the microplastics that enter the food supply through traditional plastic packaging.
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.
Chitosan/Montmorillonite Coatings for the Fabrication of Food-Safe Greaseproof Paper
Researchers developed a non-toxic greaseproof paper coating by combining chitosan with montmorillonite clay, finding that the composite coating significantly improved oil resistance compared to chitosan alone, offering a food-safe alternative to fluorochemical-based coatings.
Engineering chitosan into fully bio-sourced, water-soluble and enhanced antibacterial poly(aprotic/protic ionic liquid)s packaging membrane
Researchers designed a water-soluble, antibacterial chitosan-based packaging film using fully bio-sourced materials, addressing growing concerns about microplastic pollution from conventional packaging. The resulting membrane showed enhanced antibacterial performance while remaining environmentally benign.
Fabrication of oil‐ and water‐resistant paper without creating microplastics on disposal
Researchers developed a plastic-free, biodegradable paper coating made from chitosan and sunflower oil that provides oil and water resistance. Unlike conventional coatings, this material does not shed microplastics when disposed of, offering a promising sustainable alternative for food packaging.
Chitosan–Graft–Poly(dimethylsiloxane)/Zein Coatings for the Fabrication of Environmentally Friendly Oil- and Water-Resistant Paper
Researchers developed a sustainable paper coating using chitosan-graft-poly(dimethylsiloxane) and zein biopolymers that provides oil and water resistance, offering a biodegradable alternative to conventional synthetic polymer coatings that contribute to microplastic pollution. The approach demonstrates a practical strategy for reducing plastic waste in paper packaging applications.
Functional Nanocellulose, Alginate and Chitosan Nanocomposites Designed as Active Film Packaging Materials
Researchers formulated and characterized 25 nanocellulose-based composite films using cellulose nanocrystals, nanofibrils, and bacterial nanocellulose combined with chitosan and alginate, finding that combinations with chitosan generally provided the best mechanical and barrier properties for potential food packaging use.
Oil‐ and water‐resistant paper substrate using blends of chitosan‐graft‐polydimethylsiloxane and poly(vinyl alcohol)
Researchers developed a plastic- and fluorine-free coating approach for oil and water repellent paper substrates using blends of poly(vinyl alcohol) and chitosan-graft-polydimethylsiloxane copolymer, offering an economical alternative to conventional coatings that contribute to microplastic contamination.
Cellulose nanofibers/polyvinyl alcohol blends as an efficient coating to improve the hydrophobic and oleophobic properties of paper
Researchers developed a paper coating made from cellulose nanofibers and polyvinyl alcohol and found it significantly improved paper's resistance to both water and grease while also increasing tensile strength, offering a potentially more sustainable alternative to the plastic-based coatings currently used in food packaging.
Chitosan with Natural Additives as a Potential Food Packaging
Researchers reviewed the potential of chitosan, a natural polymer derived from chitin, as a sustainable alternative to conventional plastic food packaging. Chitosan-based materials combined with natural additives show promising antimicrobial and biocompatible properties while being biodegradable. The study suggests these materials could help reduce plastic packaging waste and the associated microplastic pollution from food industry sources.
Material and Environmental Properties of Natural Polymers and Their Composites for Packaging Applications—A Review
This review assessed the material and environmental properties of natural polymers including cellulose, starch, chitosan, and protein for food packaging applications, comparing their performance to conventional plastics. The authors found that natural polymer composites can approach the tensile strength and water vapor barrier properties needed for packaging while offering significant environmental benefits at end of life.
Two Fascinating Polysaccharides: Chitosan and Starch. Some Prominent Characterizations for Applying as Eco-Friendly Food Packaging and Pollutant Remover in Aqueous Medium. Progress in Recent Years: A Review
This review examines the properties of chitosan and starch—two biodegradable natural polymers—and their potential as eco-friendly replacements for petroleum-based plastic packaging. The authors summarize recent progress in improving these materials' strength, water resistance, and pollutant removal capabilities.
Agar-Agar and Chitosan as Precursors in the Synthesis of Functional Film for Foods: A Review
This paper is not about microplastics; it reviews the use of agar-agar and chitosan biopolymers to develop sustainable natural packaging films for the food industry.
New alternatives to single‐use plastics: Starch and chitosan‐graft‐polydimethylsiloxane‐coated paper for water‐ and oil‐resistant applications
Researchers developed a fluorine-free, bio-based paper coating using starch and chitosan grafted with polydimethylsiloxane, achieving water- and oil-resistance comparable to conventional fluorochemical coatings while remaining biodegradable and compostable.
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.