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Polymers
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Preparation and Application of Biodegradable Polymers
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Preparation and Application of Biodegradable Polymers

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

Deadline for manuscript submissions: 25 July 2025 | Viewed by 2573

Special Issue Editors

Dr. Mingwei Yuan

E-Mail Website
Guest Editor
Green Preparation Technology of Biobased Materials National & Local Joint Engineering Research Center, Yunnan Minzu University, Kunming 650504, China
Interests: polymer film; nanocomposites; polymer modification; biobased materials; antimicrobial film: antioxidant film: food preservation; polylactic acid; polycaprolactone; release kinetics; nanoparticles; controlled release; surface modification; barrier property
Prof. Dr. Yuyue Qin

E-Mail Website
Guest Editor
Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650550, China
Interests: polymer film; nanocomposites; food preservation; active food packaging film; antimicrobial film; antioxidant film; biodegradable polymer; polylactic acid; polycaprolactone; release kinetics; essential oil; nanoparticles; controlled release; surface modification; barrier property; mushroom preservation; indicator film; food production residue
Dr. Dengbang Jiang

E-Mail Website
Guest Editor
Green Preparation Technology of Biobased Materials National & Local Joint Engineering Research Center, Yunnan Minzu University, Kunming 650500, China
Interests: biodegradable polymers; polylactic acid; functional polymer materials; polymer film; nanocomposites; polycaprolactone; molecular dynamic simulation; dissipative dynamics simulation

Special Issue Information

Dear Colleagues,

We are pleased to invite you to participate in our Special Issue of Polymers entitled "Preparation and Application of Biodegradable Polymers". This Special Issue aims to bring together outstanding work from researchers and experts worldwide to explore the crucial role of biodegradable polymers in the ever-evolving fields of sustainability and environmental conservation. Biodegradable polymers have emerged as key materials for replacing conventional plastics, offering promise in addressing plastic pollution issues and reducing reliance on finite petroleum resources.

We invite contributions from academics and professionals, including original research papers and reviews to cover the following topics:

  1. Methods for the preparation of biodegradable polymers, including research on biodegradable polymers of natural and synthetic origin, and studies on composite materials;
  2. Properties and characterization of biodegradable polymers, such as thermal properties, mechanical performance, and degradation mechanisms;
  3. Applications of biodegradable polymers in various fields, including packaging, medical, agricultural, and environmental conservation;
  4. Research on the sustainability and environmental impact of biodegradable polymers, including life cycle assessments and analysis of degradation products;

We look forward to showcasing the latest research findings and industry trends in this Special Issue to foster collaboration and the exchange of knowledge in the field of biodegradable polymers. We encourage all interested authors to actively submit their work to advance research and applications in this area.

If you have any questions or need further information, please feel free to contact us. We eagerly await your participation!

Dr. Mingwei Yuan
Prof. Dr. Yuyue Qin
Dr. Dengbang Jiang
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
  • biopolymers
  • polymer degradation
  • composite materials
  • biodegradable packaging
  • green chemistry
  • polymer characterization
  • biodegradable polymer applications
  • renewable resources
  • plastic alternatives
  • biomaterials
  • polymer blends

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

21 pages, 3375 KiB  
Article
Enhanced Sugar and Bioethanol Production from Broom Grass via NaOH-Autoclave Pretreatment
by Duangporn Premjet and Siripong Premjet
Polymers 2025, 17(3), 266; https://doi.org/10.3390/polym17030266 - 21 Jan 2025
Viewed by 948
Abstract
The effective utilization of nonfood biomass for bioethanol production represents a promising strategy for sustainable energy development. Moreover, limited research has been conducted on broom grass (Thysanolaena latifolia) as a potential feedstock for bioethanol production, particularly regarding the effects of NaOH [...] Read more.
The effective utilization of nonfood biomass for bioethanol production represents a promising strategy for sustainable energy development. Moreover, limited research has been conducted on broom grass (Thysanolaena latifolia) as a potential feedstock for bioethanol production, particularly regarding the effects of NaOH autoclave pretreatment on its enzymatic digestibility and fermentability. This study optimized sodium hydroxide (NaOH) pretreatment combined with autoclaving to enhance the enzymatic digestibility of broom grass biomass. The effects of NaOH concentration (1–4%) and temperature (110–130 °C) on biomass composition, structural features, and enzymatic hydrolysis were systematically evaluated. Pretreatment with 2% NaOH at 120 °C emerged as optimal, achieving 74.7% lignin removal and 93.2% glucan recovery, thereby significantly improving enzymatic hydrolysis efficiency (88.0%) and glucose recovery (33.3%). Scanning electron microscopy (SEM) and X-ray diffraction (XRD) analyses revealed that these improvements were attributed to the increased surface porosity and the selective removal of amorphous components while maintaining cellulose crystallinity. The pretreated biomass hydrolysate exhibited excellent bioethanol production. Fermentation using Saccharomyces cerevisiae TISTR 5339 achieved an 86.4% ethanol conversion rate, yielding 147 g of bioethanol per 1000 g of pretreated biomass and representing a 2.6-fold increase compared to untreated feedstock. These findings demonstrate the potential of the NaOH autoclave pretreatment in enhancing bioethanol production from broom grass biomass, aiding the advancement of sustainable and cost-effective lignocellulosic biorefinery processes. The utilization of broom grass for bioethanol production presents an opportunity to valorize this multifaceted plant and expand its potential beyond its traditional uses. Full article
(This article belongs to the Special Issue Preparation and Application of Biodegradable Polymers)
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11 pages, 3528 KiB  
Article
A Novel Rhodamine B Fluorescent Probe Derived from Carboxymethyl Chitosan for the Selective Detection of Fe3+
by Mei Yang, Zixi Tang, Chunwei Yu and Jun Zhang
Polymers 2024, 16(22), 3206; https://doi.org/10.3390/polym16223206 - 19 Nov 2024
Viewed by 980
Abstract
In this study, we synthesized a fluorescent material by modifying the C-2 amino group of carboxymethyl chitosan with a rhodamine B derivative, which was proposed and demonstrated using 1H NMR and FT-IR measurements. A series of experiments including selectivity, sensitivity, reversibility, pH, [...] Read more.
In this study, we synthesized a fluorescent material by modifying the C-2 amino group of carboxymethyl chitosan with a rhodamine B derivative, which was proposed and demonstrated using 1H NMR and FT-IR measurements. A series of experiments including selectivity, sensitivity, reversibility, pH, and water content were conducted to investigate the fluorometric and colorimetric properties of the grafted polymer. Utilizing a Fe3+-induced ring-opening mechanism of the rhodamine B spirolactam, we found that the grafted polymer exhibited a highly selective fluorescence response to Fe3+, with enhanced fluorescence at 583 nm compared to other tested metal ions and anions, accompanied by the characteristic absorption peak of rhodamine B that appeared at 561 nm with a noticeable color change from colorless to pink, facilitating visual observation. Additionally, the modified probe, composed of carboxymethyl chitosan, was easily regenerated through treatment with EDTA. Full article
(This article belongs to the Special Issue Preparation and Application of Biodegradable Polymers)
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