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Advances in Polymer Materials Derived from Biomass and Waste

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

Deadline for manuscript submissions: 11 September 2026 | Viewed by 772

Editors


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Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
Interests: biomass pretreatment; biorefinery; bioethanol; bioprocess engineering; process development; techno-economic assessment
Special Issues, Collections and Topics in MDPI journals
Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kampar, Malaysia
Interests: catalysis; bioenergy; biomass; kinetics and reactions; supercritical process
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The increasing global emphasis on sustainability and circular economy principles has driven significant interest in the development of polymer materials derived from renewable biomass and waste resources. This Special Issue aims to provide an international platform for researchers to present recent advances, innovative methodologies, and emerging technologies related to the synthesis, modification, processing, and application of polymers originating from biomass and waste streams.

We invite original research articles and comprehensive reviews that explore the valorization of lignocellulosic biomass, agricultural and food waste, industrial by-products, and post-consumer waste into functional polymeric materials. Topics of interest include, but are not limited to, the chemical and catalytic conversion of biomass into polymer precursors, the design of bio-based and biodegradable polymers, advanced polymer composites, and sustainable processing strategies. Contributions addressing structure–property relationships, performance optimization, life-cycle assessment, and techno-economic analysis are particularly encouraged.

By bringing together interdisciplinary research from chemistry, materials science, and chemical engineering, this Special Issue seeks to highlight cutting-edge developments and to identify challenges and future directions for biomass- and waste-derived polymer materials. We warmly welcome submissions from researchers worldwide to foster knowledge exchange and to accelerate the transition toward sustainable polymer systems.

Dr. Santi Chuetor
Dr. Steven Lim
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-anonymized 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

  • bio-materials
  • biomass conversion
  • bio-based polymers
  • bio economy
  • sustainable processes
  • biomass valorization

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Published Papers (1 paper)

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Research

22 pages, 13476 KB  
Article
Hydrothermal Humification for Producing Humic-like Acids and Nitrogen-Enriched Humic-like Acids from Recycled Wheat Straw CTMP Black Liquor
by Xiaoyue Xu, Yichen Liu, Jiangtao Hu, Junlong Song and Wenyuan Zhu
Polymers 2026, 18(13), 1629; https://doi.org/10.3390/polym18131629 - 30 Jun 2026
Viewed by 270
Abstract
The high-value utilization of non-wood pulping black liquor is of great significance for the sustainable development of the pulp and paper industry. In this study, concentrated black liquor, obtained from the five-time recycling of KOH-pretreated wheat straw chemi-thermomechanical pulp (CTMP), was used as [...] Read more.
The high-value utilization of non-wood pulping black liquor is of great significance for the sustainable development of the pulp and paper industry. In this study, concentrated black liquor, obtained from the five-time recycling of KOH-pretreated wheat straw chemi-thermomechanical pulp (CTMP), was used as the feedstock for the preparation of humic-like acids (HLAs) through hydrothermal humification by utilizing the enriched organic components and residual alkalinity. Urea was further introduced to synthesize nitrogen-enriched humic-like acids (N-HLAs). The hydrothermal conditions and urea dosage were systematically optimized, and the products were characterized by elemental analysis (EA), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and particle size analysis (PSA). The results showed that the optimal hydrothermal condition was 180 °C for 4 h, under which the HLA yield reached 15.75%. With the addition of 1 mol/L urea, the yield of 1N-HLA further increased to 16.81%. Structural analyses demonstrated that hydrothermal treatment promoted the transformation of small molecular organics into highly aromatic and condensed macromolecular structures, while nitrogen-containing functional groups were successfully incorporated into the HLA molecular framework through urea modification. Bioactivity assay results showed that 1N-HLA exhibited a promoting effect on radish seed germination and seedling growth at a concentration of 100 mg/L. This study provides theoretical and technical support for the valorization of pulping black liquor and the green synthesis of functional humic-like materials. Full article
(This article belongs to the Special Issue Advances in Polymer Materials Derived from Biomass and Waste)
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