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Recent Advances in Biobased and Biodegradable Polymers
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Recent Advances in Biobased and Biodegradable Polymers

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (10 September 2023) | Viewed by 3258

Special Issue Editor

Dr. Jennifer Noro

E-Mail Website
Guest Editor
3B’s Research Group, Universidade do Minho, Braga, Portugal
Interests: catalysis; enzyme modification; biocatalysis; synthesis; biomaterial design
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The global demand for suitable and sustainable processes of polymer synthesis has risen in recent years. The impact of the procedures implemented in polymer synthesis on the environment has increased, leading to an upsurge in synthetic polymers of natural origin and/or biodegradables. Many different strategies can be implemented to produce these polymers. Special attention should be paid to the use of biocatalysts and environmentally friendly solvents in their synthesis, which represent major challenges for researchers.

In this Special Issue, different approaches regarding the synthesis, characterization, and application of biobased and biodegradable polymers will be discussed. Original articles, communications, as well as review articles that describe the current state-of-the-art in the proposed field of research are of great interest.

Dr. Jennifer Noro
Guest Editor

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Materials 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 2600 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

  • biobased
  • biodegradable
  • eco-friendly approaches
  • catalysis
  • enzymatic procedures

Published Papers (2 papers)

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Research

26 pages, 5036 KiB  
Article
Development and Characterization of Thermoformed Bilayer Trays of Paper and Renewable Succinic Acid Derived Biopolyester Blends and Their Application to Preserve Fresh Pasta
by Eva Hernández-García, Marta Pacheco-Romeralo, Pedro Zomeño, Gianluca Viscusi, Francesca Malvano, Giuliana Gorrasi and Sergio Torres-Giner
Materials 2023, 16(10), 3872; https://0-doi-org.brum.beds.ac.uk/10.3390/ma16103872 - 21 May 2023
Viewed by 1439
Abstract
The present study reports on the development by thermoforming of highly sustainable trays based on a bilayer structure composed of paper substrate and a film made of a blend of partially bio-based poly(butylene succinate) (PBS) and poly(butylene succinate-co-adipate) (PBSA). The incorporation [...] Read more.
The present study reports on the development by thermoforming of highly sustainable trays based on a bilayer structure composed of paper substrate and a film made of a blend of partially bio-based poly(butylene succinate) (PBS) and poly(butylene succinate-co-adipate) (PBSA). The incorporation of the renewable succinic acid derived biopolyester blend film slightly improved the thermal resistance and tensile strength of paper, whereas its flexural ductility and puncture resistance were notably enhanced. Furthermore, in terms of barrier properties, the incorporation of this biopolymer blend film reduced the water and aroma vapor permeances of paper by two orders of magnitude, while it endowed the paper structure with intermediate oxygen barrier properties. The resultant thermoformed bilayer trays were, thereafter, originally applied to preserve non-thermally treated Italian artisanal fresh pasta, “fusilli calabresi” type, which was stored under refrigeration conditions for 3 weeks. Shelf-life evaluation showed that the application of the PBS–PBSA film on the paper substrate delayed color changes and mold growth for 1 week, as well as reduced drying of fresh pasta, resulting in acceptable physicochemical quality parameters within 9 days of storage. Lastly, overall migration studies performed with two food simulants demonstrated that the newly developed paper/PBS–PBSA trays are safe since these successfully comply with current legislation on plastic materials and articles intended to come into contact with food. Full article
(This article belongs to the Special Issue Recent Advances in Biobased and Biodegradable Polymers)
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19 pages, 9066 KiB  
Article
Epoxy and Bio-Based Epoxy Carbon Fiber Twill Composites: Comparison of the Quasi-Static Properties
by Carlo Boursier Niutta, Raffaele Ciardiello, Andrea Tridello and Davide S. Paolino
Materials 2023, 16(4), 1601; https://0-doi-org.brum.beds.ac.uk/10.3390/ma16041601 - 14 Feb 2023
Cited by 6 | Viewed by 1432
Abstract
In recent years, interest in sustainability has significantly increased in many industrial sectors. Sustainability can be achieved with both lightweight design and eco-friendly manufacturing processes. For example, concerns on the use of thermoset composite materials, with a lightweight design and a high specific [...] Read more.
In recent years, interest in sustainability has significantly increased in many industrial sectors. Sustainability can be achieved with both lightweight design and eco-friendly manufacturing processes. For example, concerns on the use of thermoset composite materials, with a lightweight design and a high specific strength, have arisen, since thermoset resins are not fully recyclable and are mainly petrol based. A possible solution to this issue is the replacement of the thermoset matrix with a recyclable or renewable matrix, such as bio-based resin. However, the mechanical properties of composites made with bio-based resin should be carefully experimentally assessed to guarantee a safe design and the structural integrity of the components. In this work, the quasi-static mechanical properties of composite specimens (eight layers of carbon fiber fabric) made with commercially available epoxy and a bio-based epoxy resins (31% bio content) are compared. Tensile tests on the investigated resins and tensile, compression, shear and flexural tests have been carried out on composite laminates manufactured with the two investigated resins. A finite element model has been calibrated in the LS-Dyna environment using the experimentally assessed mechanical properties. The experimental results have proven that the two composites showed similar quasi-static properties, proving that bio-based composite materials can be reliably employed as a substitute for epoxy resins without affecting the structural integrity of the component but lowering their carbon footprint. Full article
(This article belongs to the Special Issue Recent Advances in Biobased and Biodegradable Polymers)
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