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Polymers
Special Issues
Green Polymers from Renewable Resources
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Green Polymers from Renewable Resources

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Circular and Green Polymer Science".

Deadline for manuscript submissions: 20 October 2024 | Viewed by 314

Special Issue Editors

Prof. Dr. Ana Beatriz Morales-Cepeda

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Guest Editor
Petrochemical Research Center, Technological Institute of Madero City—National Technological Institute of Mexico, Altamira 89600, Mexico
Interests: sustainable polymers; cellulose; PLA; nanoparticles; glycerol carbonate
Dr. Carlos Fernando Castro-Guerrero

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Guest Editor
CONACyT, Technological Institute of Madero City—National Technological Institute of Mexico, Altamira 89600, Mexico
Interests: cellulose nanocrystals; surface chemistry; energy storage; nanocellulose; nanoparticles

Special Issue Information

Dear Colleagues,

Within the United Nations’ sustainable development goals (SDGs), it is necessary to implement green polymers, such as cellulose, polylactic acid, and polyvinyl alcohol, developed from natural resources. These green polymers have the advantage that they are compostable after use and do not generate socio-environmental problems; green polymers are acceptable for the SDGs of the 2030 agenda. Green polymers are a challenge when researching their synthesis and chemical modifications or obtaining composites due to their gas permeability, short life, and lower degradability by light or heat, water, microorganisms, etc. There are problems with their processability and end uses in biomedicine, packaging, electrical conductors, etc.

This issue will expose the research challenges and solutions of researchers in the “green polymers” field, which are adapted to the UN SDGs, giving us a chance to help our planet with sustainable polymers. We encourage researchers to submit original research articles, reviews, and perspectives addressing various aspects of green polymers from renewable resources for the Special Issue. Research articles may cover (1) Recent Advances in the Synthesis and Modifying of Biodegradable Polymers, (2) Characterization Techniques for Green Polymers, (3) Applications of Green Polymers in Packaging, (4) Biomedical Applications of Green Polymers, and (5) Environmental Impact Assessments of Green Polymers.  

Prof. Dr. Ana Beatriz Morales-Cepeda
Dr. Carlos Fernando Castro-Guerrero
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 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. 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
  • sustainable materials
  • bio-based polymers
  • renewable resources
  • eco-friendly plastics

Published Papers (1 paper)

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Research

14 pages, 848 KiB  
Article
Effect of Technological Factors on the Extraction of Polymeric Condensed Tannins from Acacia Species
by Zeinab Osman, Antonio Pizzi, Mohammed Elamin Elbadawi, Jérémy Mehats, Wadah Mohammed and Bertrand Charrier
Polymers 2024, 16(11), 1550; https://doi.org/10.3390/polym16111550 - 30 May 2024
Abstract
The aim of this research work was to investigate the influence of parameters such as particle size, mass/solvent ratio, temperature and spray drying on the tannin extraction process in order to develop cost-effective methods with better environmental and structural performance. The pods of [...] Read more.
The aim of this research work was to investigate the influence of parameters such as particle size, mass/solvent ratio, temperature and spray drying on the tannin extraction process in order to develop cost-effective methods with better environmental and structural performance. The pods of Acacia nilotica ssp. tomentosa (ANT) were fractionated into three fractions, coarse fraction (C) (>2 mm), medium fraction (M) (1–2 mm), and fine fraction (F) < 1 mµ), and extracted with different water-to-pod ratios (2:1, 4:1 and 6:1) at different temperatures (30, 50 and 70 °C). The best results were scaled up using the three fractions of ANT, its bark and the bark of Acacia seyal var. seyal (ASS). Part of their extract was spray dried. The tannin content and total polyphenolic materials were evaluated using standard methods. Their adhesives were tested for their tensile strength. Tannins of ASS were characterized by 13C NMR and MALDI-TOF. The results revealed that the fine fraction (F) gave the highest percentage of tannins in both small and scaled-up experiments. The results of the tensile strength conformed to the European standard. The 13C NMR spectra of ANT and ASS showed that the bark contained condensed tannins mainly consisting of procyanidins/prodelphinidin of 70%/30% and 60%/40%, respectively. MALDI–TOF spectra confirmed the results obtained by 13C NMR and detailed the presence of flavonoid monomers and oligomers, some of which were linked to short carbohydrate monomers or dimers. Full article
(This article belongs to the Special Issue Green Polymers from Renewable Resources)
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