Sustainable Polymer Coatings: Eco-Friendly Materials and Green Processing Technologies

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Functional Polymer Coatings and Films".

Deadline for manuscript submissions: 25 August 2026 | Viewed by 1178

Special Issue Editor


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Guest Editor
School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
Interests: supramolecular chemistry and environmental chemistry

Special Issue Information

Dear Colleagues,

The global coatings industry stands at a critical juncture, facing increasing regulatory pressure and societal demand to mitigate the environmental footprint of its products and processes. Conventional polymer coatings, often derived from petrochemical resources and reliant on solvent-borne formulations, pose significant challenges due to VOC emissions, energy-intensive production, and end-of-life waste. This Special Issue of Coatings, titled “Sustainable Polymer Coatings: Eco-Friendly Materials and Green Processing Technologies,” is dedicated to championing the scientific innovation necessary for a greener paradigm. It seeks to compile cutting-edge research that redefines polymer coatings through the dual lenses of sustainable material sources and environmentally benign manufacturing.

A primary focus of this issue is on the design and synthesis of novel, eco-friendly polymer matrices. We encourage submissions exploring advanced bio-based polymers, such as those derived from polysaccharides, proteins, lipids, and polyesters, like polylactic acid (PLA). Research on polymers from waste streams, CO₂ utilization, and the development of high-performance waterborne resins is also highly relevant. The objective is to move beyond mere feedstock substitution and achieve materials with tailored properties—superior adhesion, corrosion resistance, mechanical robustness, and functional smart characteristics—that rival or exceed their conventional counterparts.

Equally important is the advancement of green processing and application technologies. This includes innovations in low-energy curing methods like UV-LED and electron-beam, the optimization of powder coating and high-solid formulations, and novel deposition techniques such as supercritical CO2 spraying. We are also interested in life-cycle assessment (LCA) studies that quantitatively validate the environmental benefits of these new materials and processes, providing a holistic view of their sustainability from cradle to grave.

By bringing together contributions on these interconnected themes, this Special Issue aims to serve as a comprehensive reference and a catalyst for future development. We welcome original research articles, comprehensive reviews, and insightful perspectives that address the multifaceted challenge of creating high-performance, economically viable, and truly sustainable polymer coating solutions for a wide range of industrial applications.

Dr. Yu Tan
Guest Editor

Manuscript Submission Information

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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.

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Keywords

  • polymer coatings
  • eco-friendly materials
  • green processing technologies
  • green chemistry
  • hydrogel coating
  • sustainable design
  • bio-based materials

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Published Papers (2 papers)

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Research

25 pages, 3445 KB  
Article
Declared-Unit-Based Life-Cycle Carbon-Emission Evaluation of Machine Tools: Method and Case Study Considering Milling Cutter Coated with TiAlSiN
by Zhipeng Jiang, Youheng Shi, Xianli Liu, Guohua Zheng, Yuxin Jia and Yue Meng
Coatings 2026, 16(3), 342; https://doi.org/10.3390/coatings16030342 - 10 Mar 2026
Viewed by 326
Abstract
Aiming at the problem of non-uniform and non-universal evaluation criteria of machine tools’ carbon emissions in the whole life-cycle analysis, an evaluation method of life-cycle carbon-emission analysis of machine tool based on declared unit was put forward by analyzing and summarizing the existing [...] Read more.
Aiming at the problem of non-uniform and non-universal evaluation criteria of machine tools’ carbon emissions in the whole life-cycle analysis, an evaluation method of life-cycle carbon-emission analysis of machine tool based on declared unit was put forward by analyzing and summarizing the existing carbon emission evaluation models. A universal evaluation system for machine-tool life-cycle carbon-emission analysis was first established, and an appropriate declared unit was then selected according to industry characteristics and machine-tool types. Subsequently, an information-flow-based iERWC boundary division method was proposed to support data collection and carbon-emission calculation across five life-cycle stages. To better reflect carbon emissions in the phase of application, the life-cycle inventory incorporates the use of coated cutters, including the associated cutters’ consumption and replacement demands. Two heavy duty floor-milling and boring machine tools produced by Qiqihar No. 2 Machine Tool (Group) Co., Ltd. Were taken as examples to calculate and evaluate life-cycle carbon-emission analysis of machine tools, and the uncertainty analysis was carried out; the possible influencing factors were pointed out to ensure the comprehensive carbon-emission assessment of the whole life cycle. Full article
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12 pages, 1218 KB  
Article
Oligocarbonate Diols as Modifiers of Polyurethane Coatings
by Mariusz Ł. Mamiński, Paweł G. Parzuchowski and Magdalena Mazurek-Budzyńska
Coatings 2026, 16(2), 155; https://doi.org/10.3390/coatings16020155 - 24 Jan 2026
Viewed by 576
Abstract
Carbon dioxide-derived oligocarbonate diols (OCDs) represent a promising class of sustainable raw materials that can enhance the environmental profile of polyurethane (PUR) coatings without compromising their performance. In this work, six oligocarbonate diols, differing in chemical structure (aromatic, aliphatic, and cycloaliphatic), were employed [...] Read more.
Carbon dioxide-derived oligocarbonate diols (OCDs) represent a promising class of sustainable raw materials that can enhance the environmental profile of polyurethane (PUR) coatings without compromising their performance. In this work, six oligocarbonate diols, differing in chemical structure (aromatic, aliphatic, and cycloaliphatic), were employed as modifiers in solvent-based PUR coatings designed for wood substrates. The study evaluates the influence of OCD’s chemical nature on the mechanical and optical properties of the resulting coatings. The results demonstrate that the structure of the oligocarbonate diol plays a decisive role in determining coating performance. PUR systems containing aliphatic soft segments exhibited the most favorable mechanical response, particularly in terms of wear resistance, outperforming coatings modified with cycloaliphatic and aromatic OCDs—wear reduction ranged between 43% and 71%. In contrast, the highest hardness values (0.46 and 0.41) were observed for the coatings incorporating aromatic moieties, indicating increased rigidity associated with aromatic structures. Importantly, adhesion at the wood–coating interface remained excellent and unaffected by the type of OCD used (cross-cut class I or II), confirming the compatibility of all investigated formulations with wooden substrates. Overall, the findings clearly show that newly developed CO2-based oligocarbonate diols are effective and versatile modifiers for polyurethane wood coatings, enabling the tuning of functional properties while supporting more sustainable coating technologies. Full article
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