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Coatings
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Preparation and Applications of Bio-Based Polymer Coatings
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Preparation and Applications of Bio-Based Polymer Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: 27 March 2026 | Viewed by 2222

Special Issue Editor

Prof. Dr. Emilia Mihaylova

E-Mail Website
Guest Editor
Materials Science, Agricultural University Plovdiv, 4000 Plovdiv, Bulgaria
Interests: photopolymers; digital holographic microscopy; interferometry; holography; solid state physics; ferroelectrics; domain structure; nanotechnology; zeolites; remote sensing; biophysics

Special Issue Information

Dear Colleagues,

The Special Issue “Preparation and Applications of Bio-Based Polymer Coatings” aims to publish original research articles or comprehensive reviews on novel developments in the field of bio-polymeric coatings for different applications.

Bio-based polymers are becoming some of the most important materials in science and technology. In recent years, bio-based polymers have been extensively studied, because they are biocompatible, biodegradable, non-toxic, and environmentally friendly materials. Within the century, they are expected to replace conventional oil-based polymers synthesized from fossil resources.

In this Special Issue, we aim to present valuable findings regarding bio-based polymer coatings. This research area covers diverse fields, including polymer chemistry, biotechnology, materials science, and materials physics.

Considering your prominent contribution to this state-of-the-art research topic, I would like to warmly invite you to submit an article to this Special Issue. Original research articles and review articles discussing the latest findings in the field of bio-based polymer materials and coatings are welcome.

This Special Issue aims to showcase the latest advancements in the development of bio-based polymer materials and coatings and their applications. In particular, the topics of interest for this Special Issue include, but are not limited to:

  • Bio-based polymer materials and coatings;
  • Biodegradable materials and coatings;
  • Non-toxic photopolymer materials and coatings;
  • Biomedical applications of bio-based polymer materials and coatings;
  • Bio-based food packaging coatings;
  • Biodegradable coatings for food packaging;
  • Biomedical coatings;
  • Bio-based adhesives.

We look forward to receiving your contributions.

Prof. Dr. Emilia Mihaylova
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. Coatings is an international peer-reviewed open access monthly 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

  • bio-based polymer coatings
  • biodegradable materials and coatings
  • bio-based food packaging coatings
  • biodegradable coatings for food packaging
  • biomedical coatings

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

Published Papers (3 papers)

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Research

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17 pages, 4122 KiB  
Article
Accelerated Weathering Tests of Linseed and Passion Fruit Oil-Based Polyurethanes
by Roseany V. V. Lopes, Rafael L. Quirino, Rodolfo A. Breves, Ana Paula T. Pezzin, Luciana P. Mazur, Maria Lucília dos Santos and Maria J. A. Sales
Coatings 2025, 15(5), 550; https://doi.org/10.3390/coatings15050550 - 4 May 2025
Viewed by 423
Abstract
The accelerated weathering of polyurethanes (PUs) is a process induced by exposure to ultraviolet (UV) radiation, resulting in the breakdown of chemical bonds and consequent changes in the material’s properties. The reason for this phenomenon is the oxidation, by free radicals, of the [...] Read more.
The accelerated weathering of polyurethanes (PUs) is a process induced by exposure to ultraviolet (UV) radiation, resulting in the breakdown of chemical bonds and consequent changes in the material’s properties. The reason for this phenomenon is the oxidation, by free radicals, of the polymeric structure, caused by the absorption of energy by the chromophores present in it. This paper studies the accelerated weathering of PU foams synthesized by linseed and passion fruit oil (OL and PFO, respectively), prepared with 0.8 and 1.2 [NCO]/[OH] ratios. After weathering, the samples were analyzed by Fourier transform infrared spectroscopy (FTIR), stereomicroscopy, thermogravimetry (TG), and derivative thermogravimetry (DTG). After the accelerated weathering process, changes were observed in the FTIR spectra of the PU samples compared to the spectra of the original PUs, indicating that the process occurred, even if partially. TG/DTG analysis of the photoaged PUs showed that the degradation process had started, as these materials presented lower thermal stability than the original PUs. Full article
(This article belongs to the Special Issue Preparation and Applications of Bio-Based Polymer Coatings)
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14 pages, 2514 KiB  
Article
Formation of Biofilm and Degradation Processes of Resilient and Green Materials: A Field Study and Novel Perspectives
by Agnese Bruno, Francesca Ubaldi, Roberta Risoluti, Gianluca Gianfranceschi, Elena Papa, Federica Valeriani and Vincenzo Romano Spica
Coatings 2025, 15(2), 125; https://doi.org/10.3390/coatings15020125 - 22 Jan 2025
Viewed by 1076
Abstract
The surface material’s nature can influence the formation of biofilms. Environmentally friendly materials such as linoleum, derived from organic sources, have emerged to address the need to balance ecological requirements with practical considerations, particularly in sectors where hygiene is of critical importance, such [...] Read more.
The surface material’s nature can influence the formation of biofilms. Environmentally friendly materials such as linoleum, derived from organic sources, have emerged to address the need to balance ecological requirements with practical considerations, particularly in sectors where hygiene is of critical importance, such as sports and healthcare. Nevertheless, even with appropriate utilization, these materials can deteriorate over time, resulting in the proliferation of harmful microbes. Metagenomic analyses were conducted to identify the microbiota responsible for the chromatic variation (n = 4) observed on a linoleum sample immersed in water. Subsequently, the data were correlated with spectroscopic analyses via microNIR. The preliminary investigations did not establish the role of abiotic components in the processes of surface discoloration. The bacterial microbiota formed on the surfaces was characterized, indicating a potential biotic role in the degradation of linoleum. Data exploration obtained from the spectroscopic acquisitions through principal component analysis produced a clustering of the data matrix into four subgroups, corresponding to the four chromatic variations. The preliminary data appear to indicate the degradation mechanisms to which materials of organic origin are subject. Furthermore, they suggest that the personalized functionalization of such materials could support effective replacement from a One Health perspective of traditional materials. Full article
(This article belongs to the Special Issue Preparation and Applications of Bio-Based Polymer Coatings)
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Review

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22 pages, 2500 KiB  
Review
A Vegetable-Oil-Based Polyurethane Coating for Controlled Nutrient Release: A Review
by Lyu Yao, Azizah Baharum, Lih Jiun Yu, Zibo Yan and Khairiah Haji Badri
Coatings 2025, 15(6), 665; https://doi.org/10.3390/coatings15060665 - 30 May 2025
Viewed by 359
Abstract
Bio-based polyurethane (PU) is synthesized either via the prepolymerization or addition polymerization of bio-based polyols and isocyanates. PU synthesized from vegetable-oil-based polyols has excellent properties for various application needs. Bio-based PU coatings from renewable vegetable oil show good degradability in soil while controlling [...] Read more.
Bio-based polyurethane (PU) is synthesized either via the prepolymerization or addition polymerization of bio-based polyols and isocyanates. PU synthesized from vegetable-oil-based polyols has excellent properties for various application needs. Bio-based PU coatings from renewable vegetable oil show good degradability in soil while controlling the nutrient release process. Castor oil, soybean oil, palm oil, olive oil, linseed oil, rapeseed oil, cottonseed oil, and recycled oil have been explored in the study of bio-based PU coatings for controlled nutrient release. Castor oil as a natural polyol has been widely studied. Generally, the epoxidation ring opening method is preferred to prepare bio-based polyols. Almost all of these studies used a drum coating machine to complete the coating process. To obtain better controlled release performance, a vegetable-oil-based PU (VPU) coating was modified by increasing the degrees of crosslinking and hydrophobicity and improving the coating uniformity. The nutrient release duration of the modified castor-oil-based PU-coated fertilizer reached 200 days. VPU-coated fertilizers, in contrast to traditional fertilizers, effectively reduce the detrimental impact on the environment. Although the preparation of VPU-coated fertilizers is still at the laboratory scale, application research has been carried out in field crops. Full article
(This article belongs to the Special Issue Preparation and Applications of Bio-Based Polymer Coatings)
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