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Polymers
Special Issues
Advances in Functional Polymer Coatings: Preparation and Application
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Advances in Functional Polymer Coatings: Preparation and Application

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Analysis and Characterization".

Deadline for manuscript submissions: 15 June 2024 | Viewed by 5641

Special Issue Editors

Dr. Zhanjian Liu

E-Mail Website
Guest Editor
College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China
Interests: functional coatings; superwetting surfaces; micron/nano composite coatings; self-healing coatings; smart coatings; surface and interface modification; processing and characterization; nanotechnology; theory and simulation; industrial applications
Prof. Dr. Junfei Ou

E-Mail Website
Guest Editor
School of Materials Engineering, Jiangsu University of Technology, Changzhou 213001, China
Interests: design, preparation and application of superwetting surfaces; surface and interface modification and functionalization; anti-corrosion/scaling coating

Special Issue Information

Dear Colleagues,

With the acceleration of global industrialization, traditional polymer coatings with a single function cannot satisfy the requirements of practical engineering applications. The functionalization of polymer coatings is of great significance in the fields of industrial manufacturing, aerospace, chemical equipment, pipeline transportation, medical treatment and so on. Although researchers have extensively studied the functionalization of polymer coatings, the investigation of polymer coatings with multi-functional performances, including self-cleaning, anti-icing, anti-fouling, self-healing, antibacterial, antistatic, etc., still faces many challenges. To date, the advances in functional polymer coatings, preparation and application, are still hot topics in fundamental research and industrial applications. This Special Issue aims to promote the research and development of functional polymer coatings, combining theoretical research and preparation methods with practical engineering applications.

This Special Issue is devoted to the functionalization and application of polymer coatings. Potential topics include, but are not limited to, the following:

  • functional coatings;
  • superwetting surfaces;
  • micron/nano composite coatings;
  • self-healing coatings;
  • smart coatings;
  • surface and interface modification;
  • processing and characterization;
  • nanotechnology;
  • theory and simulation;
  • industrial applications.

Dr. Zhanjian Liu
Prof. Dr. Junfei Ou
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 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. 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

  • functional coatings
  • superwetting surfaces
  • micron/nano composite coatings
  • self-healing coatings
  • smart coatings
  • surface and interface modification
  • processing and characterization
  • nanotechnology
  • theory and simulation
  • industrial applications

Published Papers (3 papers)

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Research

13 pages, 6512 KiB  
Article
Innovative Solid Slippery Coating: Uniting Mechanical Durability, Optical Transparency, Anti-Icing, and Anti-Graffiti Traits
by Jiayi Shen, Junfei Ou, Sheng Lei, Yating Hu, Fajun Wang, Xinzuo Fang, Changquan Li, Wen Li and Alidad Amirfazli
Polymers 2023, 15(19), 3983; https://doi.org/10.3390/polym15193983 - 3 Oct 2023
Cited by 5 | Viewed by 1662
Abstract
Slippery coatings, such as the slippery liquid-infused porous surface (SLIPS), have gained significant attention for their potential applications in anti-icing and anti-fouling. However, they lack durability when subjected to mechanical impact. In this study, we have developed a robust slippery coating by blending [...] Read more.
Slippery coatings, such as the slippery liquid-infused porous surface (SLIPS), have gained significant attention for their potential applications in anti-icing and anti-fouling. However, they lack durability when subjected to mechanical impact. In this study, we have developed a robust slippery coating by blending polyurethane acrylate (PUA) with methyltriethoxysilane (MTES) and perfluoropolyether (PFPE) in the solvent of butyl acetate. The resulting mixture is homogeneous and allows for uniform coating on various substrates using a drop coating process followed by drying at 160 °C for 3 h. The cured coating exhibits excellent water repellency (contact angle of ~108° and sliding angle of ~8°), high transparency (average visible transmittance of ~90%), exceptional adherence to the substrate (5B rating according to ASTMD 3359), and remarkable hardness (4H on the pencil hardness scale). Moreover, the coating is quite flexible and can be folded without affecting its wettability. The robustness of the coating is evident in its ability to maintain a sliding angle below 25° even when subjected to abrasion, water jetting, high temperature, and UV irradiation. Due to its excellent nonwetting properties, the coating can be employed in anti-icing, anti-graffiti, and anti-sticking applications. It effectively reduces ice adhesion on aluminum substrates from approximately 217 kPa to 12 kPa. Even after 20 cycles of icing and de-icing, there is only a slight increase in ice adhesion, stabilizing at 40 kPa. The coating can resist graffiti for up to 400 cycles of writing with an oily marker pen and erasing with a tissue. Additionally, the coating allows for easy removal of 3M tape thereon without leaving any residue. Full article
(This article belongs to the Special Issue Advances in Functional Polymer Coatings: Preparation and Application)
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13 pages, 4655 KiB  
Article
3D-Printed PLA Scaffold with Fibronectin Enhances In Vitro Osteogenesis
by Eisner Salamanca, Cheuk Sing Choy, Lwin Moe Aung, Ting-Chia Tsao, Pin-Han Wang, Wei-An Lin, Yi-Fan Wu and Wei-Jen Chang
Polymers 2023, 15(12), 2619; https://doi.org/10.3390/polym15122619 - 8 Jun 2023
Cited by 1 | Viewed by 1486
Abstract
Background: Tricalcium phosphate (TCP, Molecular formula: Ca3(PO4)2) is a hydrophilic bone graft biomaterial extensively used for guided bone regeneration (GBR). However, few studies have investigated 3D-printed polylactic acid (PLA) combined with the osteo-inductive molecule fibronectin (FN) for [...] Read more.
Background: Tricalcium phosphate (TCP, Molecular formula: Ca3(PO4)2) is a hydrophilic bone graft biomaterial extensively used for guided bone regeneration (GBR). However, few studies have investigated 3D-printed polylactic acid (PLA) combined with the osteo-inductive molecule fibronectin (FN) for enhanced osteoblast performance in vitro, and specialized bone defect treatments. Aim: This study evaluated PLA properties and efficacy following glow discharge plasma (GDP) treatment and FN sputtering for fused deposition modeling (FDM) 3D printed PLA alloplastic bone grafts. Methods: 3D trabecular bone scaffolds (8 × 1 mm) were printed by the 3D printer (XYZ printing, Inc. 3D printer da Vinci Jr. 1.0 3-in-1). After printing PLA scaffolds, additional groups for FN grafting were continually prepared with GDP treatment. Material characterization and biocompatibility evaluations were investigated at 1, 3 and 5 days. Results: SEM images showed the human bone mimicking patterns, and EDS illustrated the increased C and O after fibronectin grafting, XPS and FTIR results together confirmed the presence of FN within PLA material. Degradation increased after 150 days due to FN presence. 3D immunofluorescence at 24 h demonstrated better cell spreading, and MTT assay results showed the highest proliferation with PLA and FN (p < 0.001). Cells cultured on the materials exhibited similar alkaline phosphatase (ALP) production. Relative quantitative polymerase chain reaction (qPCR) at 1 and 5 days revealed a mixed osteoblast gene expression pattern. Conclusion: In vitro observations over a period of five days, it was clear that PLA/FN 3D-printed alloplastic bone graft was more favorable for osteogenesis than PLA alone, thereby demonstrating great potential for applications in customized bone regeneration. Full article
(This article belongs to the Special Issue Advances in Functional Polymer Coatings: Preparation and Application)
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13 pages, 3772 KiB  
Article
Preliminary Results on Preparation and Performance of a Self-Emulsifying Waterborne Epoxy Curing Agent at Room Temperature
by Zhenzhen Pi, Changyu Deng, Hongmei Pan and Kemei Pei
Polymers 2023, 15(7), 1673; https://doi.org/10.3390/polym15071673 - 28 Mar 2023
Cited by 1 | Viewed by 1511
Abstract
Polyethylene glycol 1000 (PEG1000) and epoxy resin E20 were used to synthesize the E20/PEG1000 polymer (EP1K), which was later transformed into a self-emulsifying water-based epoxy curing agent by reacting with m-Xylylenediamine (MXDA). The effects of molecular weight, the molar ratio of the raw [...] Read more.
Polyethylene glycol 1000 (PEG1000) and epoxy resin E20 were used to synthesize the E20/PEG1000 polymer (EP1K), which was later transformed into a self-emulsifying water-based epoxy curing agent by reacting with m-Xylylenediamine (MXDA). The effects of molecular weight, the molar ratio of the raw materials, the catalyst dosage, and the different co-solvents on the properties of the prepared curing agent were systematically explored. The infrared absorption spectra of E20, EP1K, and the water-based epoxy curing agent were compared and analyzed. The coating properties of the waterborne epoxy varnish, which was based on water-based epoxy curing agents to emulsify and cure the resin E44, were systematically tested. The results demonstrated that with a molar ratio of 1:1:4 of PEG1000, E20, and MXDA, the boron trifluoride etherate (BF3·Et2O) as catalyst accounts for 0.3% of the total mass of E20 and PEG1000, and an applicable period of 3 h for the prepared varnish, the anti-corrosion performance, and mechanical properties of the coatings were excellent. Full article
(This article belongs to the Special Issue Advances in Functional Polymer Coatings: Preparation and Application)
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