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The Sustainable Development of New Materials and Products from Biobased and Biodegradable Polymers

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: 28 February 2027 | Viewed by 1116

Special Issue Editors


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Guest Editor
Academia Romana Timisoara Branch, Timisoara, Romania
Interests: mesoporous materials; heterogeneous catalystsl; mesoporous adsorbents; functionalization agent
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
“Petru Poni” Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41A, 700487 Iasi, Romania
Interests: Schiff base derivatives (low molecular weight compounds and polymers); aromatic polysulfones and chitosan based materials; experience in synthesis and experimental data analysis (infrared spectroscopy, proton nuclear magnetic resonance, ultraviolet spectroscopy, photoluminescence spectroscopy, polarized light microscopy, differential scanning calorimetry, small and wide angle X-ray diffraction, thermogravimetric analysis, atomic force microscopy, scanning electron microscopy)

Special Issue Information

Dear Colleagues,

Amid global efforts to mitigate plastic pollution and reduce carbon dioxide emissions, biobased and biodegradable polymers have emerged as pivotal alternatives to traditional petroleum-derived plastics, driving the sustainable transformation of materials and manufacturing industries. This Special Issue focuses on cutting-edge research based on the synthesis, characterization methods and practical advancements in the sustainable development of new materials and products based on these eco-friendly polymers.

Because of their properties, like a good thermal stability, low density and minimal health risks, these biobased polymers represent useful candidates for industrial applications. Key topics include the exploration of renewable biomass feedstocks (e.g., agricultural residues, algae); the design and synthesis of high-performance biodegradable polymers and materials for lowering CO2 emissions; the optimization of green processing technologies and performance enhancement to meet industrial demands. It also covers life-cycle assessment, policy support and market promotion strategies for biobased products. Despite significant progress, challenges such as high production costs, limited scalability and inconsistent biodegradation in real-world conditions persist.

We invite original empirical studies, technical reviews and case analyses that offer innovative solutions for these environmental problems. By integrating insights from materials science, chemical engineering and environmental science, this issue aims to accelerate the commercialization of eco-friendly polymer products, contributing to a circular economy.

Dr. Borcǎnescu Silvana
Dr. Manuela Maria Iftime
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • polymers
  • biodegradable materials
  • sustainable development
  • circular economy
  • green manufacturing

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Published Papers (1 paper)

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Research

17 pages, 5153 KB  
Article
Eco-Friendly Chitosan-Pectin Polyelectrolyte Films for Sustainable Food Packaging: Performance and Functional Properties
by Doha Quebouch, Anouar Mouhoub, Aouatif Aboudia, Khaoula Sebbar, Abdelhi Dihazi, Amine Guendouz, Zainab El Alaoui-Talibi, Saad Ibnsouda Koraichi and Cherkaoui El Modafar
Sustainability 2026, 18(9), 4482; https://doi.org/10.3390/su18094482 - 2 May 2026
Viewed by 872
Abstract
Polyelectrolyte complexes (PECs) are recognized as promising materials for the development of sustainable food packaging. In this study, eco-friendly PECs based on pectin (P) and chitosan (C) were prepared by solvent casting at different pH values and volume ratios (C, P, 1C:1P, 1C:2.5P, [...] Read more.
Polyelectrolyte complexes (PECs) are recognized as promising materials for the development of sustainable food packaging. In this study, eco-friendly PECs based on pectin (P) and chitosan (C) were prepared by solvent casting at different pH values and volume ratios (C, P, 1C:1P, 1C:2.5P, and 1C:5P) (v/v). The resulting films were characterized for numerous features, including thickness, opacity, moisture content, swelling degree, and water solubility, while mechanical performance (elongation at break and tensile strength), water vapor transmission rate (WVTR), surface energy, and anti-adhesive activity were evaluated for the most promising formulation. The results revealed that blending chitosan with pectin significantly improved the films’ physicochemical properties, notably by increasing thickness (up to 100 µm) and opacity (slightly above 2) while reducing the swelling degree (from over 1800% for pure chitosan to below 600% for 1C:2.5P film at pH 3.2) and the water solubility (from 100% for pectin films to around 45–50% for the blended films). The film 1C:2.5P at pH 3.2 showed improved barrier performance, with a lower WVTR (approximately 20 g/h·m2) compared to the single polymer films (more than 30 g/h·m2), and exhibited significant anti-adhesive activity by reducing bacterial adhesion to below 5% compared to 65% for the conventional packaging film. However, these improvements were accompanied by reduced tensile strength (From ~4.2 MPa to ~1.3 MPa) and in elongation at break (from ~50% to ~20%). Overall, PEC films demonstrate strong potential as sustainable packaging materials by combining improved barrier properties and anti-adhesive activity, despite some limitations in mechanical resistance. Full article
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