Advances in Polymer Composite Coatings and Films

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

Deadline for manuscript submissions: 20 August 2026 | Viewed by 1289

Special Issue Editors

School of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
Interests: functional elastomeric composites and their applications
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Guest Editor
College of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China
Interests: environmentally friendly polymer materials; rubber nanocomposite materials

Special Issue Information

Dear Colleagues,

Polymer composite coatings and films have emerged as a key area of research and application due to their multifunctional properties, including enhanced mechanical strength, durability, barrier performance, corrosion resistance, flame retardancy, ultraviolet resistance, antibacterial activity, and tailored surface functionalities. With the rapid development of advanced materials, the integration of polymers with nanomaterials, bio-based components, and smart functional additives has opened up new opportunities for sustainable, high-performance coatings and films. These systems not only extend the service life of materials under demanding conditions but also enable coatings with smart responses, improved energy efficiency, and environmental compatibility, which are increasingly critical properties in modern industrial and societal contexts.

This Special Issue, entitled “Advances in Polymer Composite Coatings and Films”, aims to showcase the latest progress in the design, fabrication, characterization, and applications of polymer-based composite coatings and films. We welcome original research articles, communications, and reviews that highlight novel processing strategies, structure–property relationships, interfacial engineering, and multifunctional applications in areas such as energy, environment, healthcare, protective technologies, and advanced manufacturing. By bringing together contributions from diverse disciplines, this collection seeks to provide a platform for interdisciplinary exchange, stimulate innovative thinking, and inspire further breakthroughs toward next-generation polymer composite coatings and films with enhanced performance, sustainability, and global impact.

Dr. Long Zheng
Dr. Xi Zhang
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. 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

  • polymer composite coatings
  • functional films
  • interfacial engineering
  • structure–property relationships
  • protective coatings

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Published Papers (1 paper)

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Research

20 pages, 3571 KB  
Article
Novel Omniphobic Teflon/PAI Composite Membrane Prepared by Vacuum-Assisted Dip-Coating Strategy for Dissolved Gases Separation from Transformer Oil
by Wei Zhang, Qiwei Yang, Yuanyuan Jin, Yanzong Meng, Leyu Shen, Xuran Zhu, Haifeng Gao and Chuan Chen
Coatings 2025, 15(11), 1319; https://doi.org/10.3390/coatings15111319 - 11 Nov 2025
Cited by 1 | Viewed by 926
Abstract
Omniphobic membranes have gained extensive attention for mitigating membrane wetting in robust membrane separation owing to the super-repulsion toward water and oil. In this study, a Teflon/PAI composite membrane with omniphobic characteristics was prepared by a vacuum-assisted dip-coating strategy on the PAI hollow [...] Read more.
Omniphobic membranes have gained extensive attention for mitigating membrane wetting in robust membrane separation owing to the super-repulsion toward water and oil. In this study, a Teflon/PAI composite membrane with omniphobic characteristics was prepared by a vacuum-assisted dip-coating strategy on the PAI hollow fiber membrane. A series of characterizations on morphological structure, surface chemical composition, wettability, permeability, mechanical properties, and stability were systematically investigated for pristine PAI and Teflon/PAI composite membranes. Subsequently, the experiment was conducted to explore the oil–gas separation performance of membranes, with standard transformer oil containing dissolved gas as the feed. The results showed that the Teflon AF2400 functional layer was modified, and C-F covalent bonds were introduced on the composite membrane surface. The Teflon/PAI composite membrane exhibited excellent contact angles of 156.3 ± 1.8° and 123.0 ± 2.5° toward DI water and mineral insulating oil, respectively, indicating omniphobicity. After modification, the membrane tensile stress at break increased by 23.0% and the mechanical performance of the composite membrane was significantly improved. In addition, the Teflon/PAI composite membrane presented satisfactory thermal and ultrasonic stability. Compared to the previous membranes, the Teflon/PAI composite membrane presented a thinner Teflon AF2400 separation layer. Furthermore, the omniphobic membrane demonstrated anti-wetting performance by reaching the dynamic equilibrium within 2 h for the dissolved gases separated from the insulating oil. This suggests an omniphobic membrane as a promising alternative for oil–gas separation in monitoring the operating condition of oil-filled electrical equipment online. Full article
(This article belongs to the Special Issue Advances in Polymer Composite Coatings and Films)
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