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Polymers
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Valorization of Biopolymer from Renewable Biomass, 2nd Edition
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Valorization of Biopolymer from Renewable Biomass, 2nd Edition

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 824

Special Issue Editors

Dr. Víctor Manuel Pérez Puyana

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain
Interests: biopolymers; food waste recovery; rheology; innovative processing technologies; functional foods; sustainability
Special Issues, Collections and Topics in MDPI journals
Dr. Mercedes Jiménez-Rosado

E-Mail Website
Guest Editor
Departamento de Química y Física Aplicadas, Universidad de León, León, Spain
Interests: proteins; protein-based materials; bioplastics; matrices; horticulture; soy; micronutrients; fertilization; slow-release fertilization; controlled-release fertilizers; biomaterials; scaffolds; tissue engineering; emulsions; composites
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Alberto Romero García

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Facultad de Química, Universidad de Sevilla, 41012 Sevilla, Spain
Interests: proteins; polymers; biopolymer; scaffolds; rheology; by-products; food packaging; composite film
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The valorization of biopolymers derived from renewable biomass is a crucial area of research aimed at sustainable resource utilization and reducing the dependence on fossil fuels. Biopolymers, such as cellulose, starch, chitin, and proteins, are abundant in various biomass sources, including agricultural residues, forestry byproducts, and waste streams from the food processing industries. These biopolymers possess unique properties that make them promising candidates for the development of eco-friendly materials, including biodegradable plastics, films, coatings, and composites. Aiming to explore them, this Special Issue will focus on the recovery and valorization of renewable biomass rich in biopolymers in order to transform it into resources for the production of energy and new products, with original research reports, review articles, communications, and perspectives in all areas pertinent to this topic being welcomed.

Dr. Víctor Manuel Pérez Puyana
Dr. Mercedes Jiménez-Rosado
Prof. Dr. Alberto Romero García
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. 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
  • biopolymers
  • biomass
  • eco-friendly materials
  • renewable
  • sustainability
  • valorization

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Related Special Issue

Published Papers (2 papers)

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Research

13 pages, 3715 KB  
Article
Eco-Fabrication of Rigid Lignofoams with Porous Cellular Channels Coated by Polypropylene Films for Thermal Insulation Materials
by Qiangu Yan, Neda Arabzadeh Nosratabad, Timothy Ketelboeter, Craig Clemons, Liu Liu, Caixia Wan, Peter Kitin and Zhiyong Cai
Polymers 2026, 18(5), 548; https://doi.org/10.3390/polym18050548 - 25 Feb 2026
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Abstract
This paper introduced a simple, efficient method to prepare mechanically strong lignin-based foams (lignofoams) with open-cell structures using a facile baking technique. The self-expansion of lignin occurred without any additional chemical blowing agents, foaming agents, plasticizers, or lubricants. During heating, kraft lignin softened, [...] Read more.
This paper introduced a simple, efficient method to prepare mechanically strong lignin-based foams (lignofoams) with open-cell structures using a facile baking technique. The self-expansion of lignin occurred without any additional chemical blowing agents, foaming agents, plasticizers, or lubricants. During heating, kraft lignin softened, and the internal water, either initially adsorbed or generated in situ through the dehydration of hydroxyl groups, acted as a natural blowing agent for foaming a porous foam structure. Incorporating a small amount of polypropylene (PP) enhanced mechanical properties by coating the inner walls of open cells. The porous, softened composite was then cooled to room temperature and solidified into the self-expanded lignofoam. The resulting lignofoams exhibited tunable densities ranging from 0.21 to 0.49 g/cm3 and a maximum compressive strength of 3.6 MPa. The lignofoam also showed excellent thermal insulation properties with low thermal conductive coefficients (0.057–0.098 W/mK). These features highlight the great potential of lignofoam for a bio-based thermal insulation material for construction applications. Full article
(This article belongs to the Special Issue Valorization of Biopolymer from Renewable Biomass, 2nd Edition)
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16 pages, 10020 KB  
Article
Chitosan/Carboxymethyl Cellulose Nanocomposites Prepared via Electrolyte Gelation–Spray Drying for Controlled Ampicillin Delivery and Enhanced Antibacterial Activity
by Anh Dzung Nguyen, Vinh Nghi Nguyen, Vu Hoa Tran, Huu Hung Dinh, Dinh Sy Nguyen, Thi Huyen Nguyen, Van Bon Nguyen and San Lang Wang
Polymers 2026, 18(3), 319; https://doi.org/10.3390/polym18030319 - 24 Jan 2026
Viewed by 420
Abstract
This study reports the fabrication of chitosan/carboxymethyl cellulose (C/M) nanocomposites by electrolyte gelation–spray drying and the evaluation of their antibacterial performance as carriers for the antibiotic ampicillin. Chitosan (C), a cationic biopolymer derived from chitin, was combined with the anionic polysaccharide carboxymethyl cellulose [...] Read more.
This study reports the fabrication of chitosan/carboxymethyl cellulose (C/M) nanocomposites by electrolyte gelation–spray drying and the evaluation of their antibacterial performance as carriers for the antibiotic ampicillin. Chitosan (C), a cationic biopolymer derived from chitin, was combined with the anionic polysaccharide carboxymethyl cellulose (M) at different mass ratios to form stable nanocomposites via electrostatic interactions and then collected in a spray dryer. The resulting particles exhibited mean diameters ranging from 800 to 1500 nm and zeta potentials varying from +90 to −40 mV, depending on the C/M ratio. The optimal formulation (C/M = 2:1 ratio) achieved a high recovery yield (71.1%), lower PDI (0.52), and ampicillin encapsulation efficiency EE (82.4%). Fourier transform infrared spectroscopy (FTIR) confirmed the presence of hydrogen bonding and ionic interactions among C/M, and ampicillin within the nanocomposite matrix. The nanocomposites demonstrated controlled ampicillin release and pronounced antibacterial activity against Staphylococcus aureus, with minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values of 3.2 µg/mL and 5.3 µg/mL, respectively, which were lower than those of free ampicillin. These results indicate that the chitosan/carboxymethyl cellulose nanocomposites are promising, eco-friendly carriers for antibiotic delivery and antibacterial applications. Full article
(This article belongs to the Special Issue Valorization of Biopolymer from Renewable Biomass, 2nd Edition)
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