Advances in Biocompatible and Biodegradable Polymers, 4th Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1504

Special Issue Editors


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Guest Editor
University Institute of Materials Technology (IUTM), Universitat Politècnica de València, Plaza Ferrandiz y Carbonell s/n, Alcoy, Alicante, Spain
Interests: cellular materials; biodegradable polymers; recycling; natural additives; biocomposites; polymer compatibilization; polymer rheology; surface modification fillers; thermal and mechanical properties; selective dissolution; bioresorbable materials; foaming processes
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E-Mail Website
Guest Editor
Technological Institute of Materials (ITM), Universitat Politècnica de València, Plaza Ferrandiz y Carbonell s/n, Alcoy, Alicante, Spain
Interests: mechanical properties; polymers; composites; surface modification; biodegradable and biocompatible polymers; atmospheric plasma
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Research Institute for Industrial, Radiophysical and Environmental Safety (ISIRYM), Universitat Politècnica de València, Plaza Ferrandiz y Carbonell s/n, Alcoy, Alicante, Spain
Interests: biopolymers; biomass revalorization; PHA and PHB production; chemical recycling; biodegradable polymers; natural additives; polymer rheology; surface modification fillers; polymer membranes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Among the various strategies to reduce negative environmental impacts due to the uncontrolled consumption and low recovery of conventional plastics, the synthesis of new biodegradable and recyclable plastics is considered one of the most promising. The spectrum of existing biodegradable materials is still very narrow, and so, to achieve greater applicability, mixtures of biodegradable polymers are being investigated using a blending strategy. However, the incompatibilities shown by these mixtures have led to the establishment of several strategies (incorporation of additives, reactive extrusion, copolymerization) to improve this feature.

This Special Issue on Polymers invites contributions that address advances in the synthesis of new biodegradable polymers, new mixtures of biodegradable polymers, and, in particular, compatibility studies, as well as those exploring the influence on their chemical, thermal, mechanical, and rheological properties. In addition, we welcome research on the biocompatibility of polymers with the human body, including studies on the degradation of physiological serum and the influence of their mechanical and thermal properties depending on the time of contact with physiological serum.

Dr. José Miguel Ferri
Dr. Vicent Fombuena Borràs
Prof. Dr. María Fernanda López Pérez
Guest Editors

Manuscript Submission Information

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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. Polymers 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 2700 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

  • biodegradable polymers
  • biocompatible polymers
  • compatibility
  • blends
  • disintegration
  • polymer miscibility

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Published Papers (2 papers)

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Research

20 pages, 5395 KiB  
Article
Avocado Seed Starch-Based Films Reinforced with Starch Nanocrystals
by Pedro Francisco Muñoz-Gimena, Alejandro Aragón-Gutiérrez, Enrique Blázquez-Blázquez, Marina Patricia Arrieta, Gema Rodríguez, Laura Peponi and Daniel López
Polymers 2024, 16(20), 2868; https://doi.org/10.3390/polym16202868 - 10 Oct 2024
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Abstract
Biopolymers derived from biomass can provide the advantages of both biodegradability and functional qualities from a circular economy point of view, where waste is transformed into raw material. In particular, avocado seeds can be considered an interesting residue for biobased packaging applications due [...] Read more.
Biopolymers derived from biomass can provide the advantages of both biodegradability and functional qualities from a circular economy point of view, where waste is transformed into raw material. In particular, avocado seeds can be considered an interesting residue for biobased packaging applications due to their high starch content. In this work, avocado seed starch (ASS)-based films containing different glycerol concentrations were prepared by solvent casting. Films were also reinforced with starch nanocrystals (SNCs) obtained through the acid hydrolysis of ASS. The characterization of the extracted starch and starch nanocrystals by scanning electron microscopy, X-ray diffraction, and thermogravimetric analysis has been reported. Adding 1% of SNCs increased elastic modulus by 112% and decreased water vapor permeability by 30% with respect to neat matrix. Interestingly, the bioactive compounds from the avocado seed provided the films with high antioxidant capacity. Moreover, considering the long time required for traditional plastic packaging to degrade, all of the ASS-based films disintegrated within 48 h under lab-scale composting conditions. The results of this work support the valorization of food waste byproducts and the development of reinforced biodegradable materials for potential use as active food packaging. Full article
(This article belongs to the Special Issue Advances in Biocompatible and Biodegradable Polymers, 4th Edition)
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22 pages, 6741 KiB  
Article
Valorization of Cellulosic Waste from Artichoke for Incorporation into Biodegradable Polylactic Acid Matrices
by Alexandra Llidó Barragán, Alejandro de la Calle Salas, Francisco Parres García and José Enrique Crespo Amorós
Polymers 2024, 16(19), 2778; https://doi.org/10.3390/polym16192778 - 30 Sep 2024
Viewed by 512
Abstract
This study presents the development of ecological compounds using polylactic acid (PLA) and artichoke flour with the aim of obtaining materials with properties like commercial PLA. PLA biocomposites with different concentrations of green artichoke (HV) and boiled artichoke (HH) (1, 3, 5, 7, [...] Read more.
This study presents the development of ecological compounds using polylactic acid (PLA) and artichoke flour with the aim of obtaining materials with properties like commercial PLA. PLA biocomposites with different concentrations of green artichoke (HV) and boiled artichoke (HH) (1, 3, 5, 7, 10 and 20% by weight) were manufactured through an extrusion and injection process. Structural, mechanical, physical and color tests were carried out to analyze the effect of lignocellulosic particles on the biopolymeric matrix. The Shore D hardness, elongation at break and heat deflection temperature (HDT) of the PLA/HV and PLA/HH samples showed similar values to pure PLA, indicating that high concentrations of both fillers did not severely compromise these properties. However, reductions in the tensile strength, impact strength and Young’s modulus were observed, and both flours had increased water absorption capacity. FTIR analysis identified the characteristic peaks of the biocomposites and the ratio of the groups regarding the amount of added filler. The SEM revealed low interfacial adhesion between the polymer matrix and the filler. This study represents a significant advance in the valorization and application of circular economy principles to agricultural waste, such as artichoke waste. PLA/HV biocomposites make a substantial contribution to sustainable materials technology, aligning with the goals of the 2030 agenda to reduce environmental impacts and promote sustainable development. Full article
(This article belongs to the Special Issue Advances in Biocompatible and Biodegradable Polymers, 4th Edition)
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