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Polymers
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Resin-Based Polymers and Composite Materials
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Resin-Based Polymers and Composite Materials

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

Deadline for manuscript submissions: closed (25 June 2023) | Viewed by 7323

Special Issue Editor

Prof. Dr. Huey Ling Chang

E-Mail Website
Guest Editor
Department of Chemical and Materials Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
Interests: resin-based materials; optoelectronic materials; nanocomposites; electronic packaging materials; carbon footprint; life cycle assessment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymer molecules consist of repetition of a single unit; we can further characterize the types of polymers by observing this repeating unit. The properties of the resin can be tuned by adding “reinforcements” into the polymer resin to form composites. This Special Issue on “Resin-Based Polymer Materials” invites articles that explain the synthesis and fabrication of polymer materials for different applications, using various preparation techniques. This Special Issue focuses on the synthesis, characterization, material modification, preparation method, addition of other materials to enhance performance, simulation and derivation of performance, optimization, life cycle assessment, environmental friendliness, etc. The aim of this Special Issue is to build a community of authors and readers to discuss the latest research, and develop novel ideas and research directions.

In light of this, we are organizing a Special Issue focused on high-quality original research works or comprehensive reviews on cutting-edge developments in the field of resin-based polymer materials. Potential topics include, but are not limited to, the following:

  • Resin composites;
  • Resin blending;
  • Enhance performance of resin;
  • Resin performance optimization;
  • Resins with wood composite application;
  • Calculation and simulation of resin chemistry;
  • Life cycle assessment of resin;
  • Carbon reduction.

Prof. Dr. Huey Ling Chang
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. 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

  • composites
  • resin
  • blending
  • enhance performance
  • optimization
  • theory and simulation
  • life cycle assessment
  • carbon reduction

Published Papers (4 papers)

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Research

10 pages, 534 KiB  
Article
In Vitro Optical and Physical Stability of Resin Composite Materials with Different Filler Characteristics
by Md Sofiqul Islam, Mohannad Nassar, Mohamed Ahmed Elsayed, Dania Burhan Jameel, Thana Tariq Ahmad and Muhammed Mustahsen Rahman
Polymers 2023, 15(9), 2121; https://doi.org/10.3390/polym15092121 - 29 Apr 2023
Cited by 4 | Viewed by 1841
Abstract
The objective of this study was to compare the physical and optical stability of resin composite materials with different filler characteristics. Ninety-six resin composite blocks (6 mm × 6 mm × 2 mm) were prepared using four different types of resin composite, divided [...] Read more.
The objective of this study was to compare the physical and optical stability of resin composite materials with different filler characteristics. Ninety-six resin composite blocks (6 mm × 6 mm × 2 mm) were prepared using four different types of resin composite, divided into four groups. Specimens from the same material were randomly divided into four groups (n = 6) and allocated for Vickers hardness (VH), water sorption, solubility (WS/SL), and staining and aging challenges tests. One-way ANOVA showed significant differences in microhardness (p = 0.0001), WS (p = 0.0001), and SL (p = 0.003) among the tested groups. Beautifil II LS recorded the highest hardness, and CharmFil®Flow had the lowest value. Beautifil Injectable X and II LS showed negative WS, whereas the other groups had positive values. All groups showed positive SL. Repeated measures ANOVA showed significant color parameter alteration in the tested groups (p = 0.0001). All groups showed significant color shifting after one week of the staining challenge. Repeated measures ANOVA showed a significant color parameter (p = 0.0001) and weight (p = 0.001) alteration after the aging challenge. The optical and physical stability of resin composites may vary according to filler characteristics. Clinicians should choose the composite as per the desired outcome. Full article
(This article belongs to the Special Issue Resin-Based Polymers and Composite Materials)
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20 pages, 7119 KiB  
Article
A Combined Experimental and Computational (DFT, RDF, MC and MD) Investigation of Epoxy Resin as a Potential Corrosion Inhibitor for Mild Steel in a 0.5 M H2SO4 Environment
by Rachid Hsissou, Khadija Dahmani, Anouar El Magri, Abdelfettah Hmada, Zaki Safi, Nadia Dkhireche, Mouhsine Galai, Nuha Wazzan and Avni Berisha
Polymers 2023, 15(8), 1967; https://doi.org/10.3390/polym15081967 - 21 Apr 2023
Cited by 11 | Viewed by 1984
Abstract
In this work, a tetrafunctional epoxy resin entitled 2,3,4,5-tetraglycidyloxy pentanal (TGP) was tested and investigated as a potential corrosion inhibitor for mild steel (MS) in 0.5 M H2SO4 solution. The corrosion inhibition process for mild steel was employed alongside various [...] Read more.
In this work, a tetrafunctional epoxy resin entitled 2,3,4,5-tetraglycidyloxy pentanal (TGP) was tested and investigated as a potential corrosion inhibitor for mild steel (MS) in 0.5 M H2SO4 solution. The corrosion inhibition process for mild steel was employed alongside various techniques, such as potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), temperature effect (TE), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and theoretical approaches (DFT, MC, RDF and MD). Further, the corrosion efficacies obtained at the optimum concentration (10−3 M of the TGP) were 85.5% (EIS) and 88.6% (PDP), respectively. The PDP results indicated that the TGP tetrafunctional epoxy resin acted the same as an anodic inhibitor type in 0.5 M H2SO4 solution. SEM and EDS analyses found that the protective layer formed on the MS electrode surface in the presence of TGP could prevent the attack of the sulfur ions. The DFT calculation provided more information regarding the reactivity, geometric properties and the active centers of the corrosion inhibitory efficiency of the tested epoxy resin. RDF, MC and MD simulations showed that the investigated inhibitory resin have a maximum inhibition efficiency in 0.5 M H2SO4 solution. Full article
(This article belongs to the Special Issue Resin-Based Polymers and Composite Materials)
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13 pages, 5909 KiB  
Article
Influence of Surface Discharge on Resin Degradation in Decay-like Fracture of Composite Insulators
by Qian Wang, Weining Bao, Yanfeng Gao, Shuqi Liu, Shuming Liu, Zhou Zuo, Chao Wu and Xidong Liang
Polymers 2023, 15(4), 790; https://doi.org/10.3390/polym15040790 - 4 Feb 2023
Cited by 4 | Viewed by 1298
Abstract
Composite insulators have gradually become the preferred approach for electrical insulation in power systems, especially in polluted areas. Composite insulators consist of three main components: the shed, rod, and end fitting. Insulators withstand mechanical stresses via rods that are composed of glass-fiber-reinforced epoxy [...] Read more.
Composite insulators have gradually become the preferred approach for electrical insulation in power systems, especially in polluted areas. Composite insulators consist of three main components: the shed, rod, and end fitting. Insulators withstand mechanical stresses via rods that are composed of glass-fiber-reinforced epoxy (GFRE). However, regardless of the high tensile strength of GFRE rods, in real-life operation, abnormal fractures have frequently been reported all over the world, which substantially increase the risk of major accidents in power systems. Fractural accidents mainly consist of brittle and decay-like fractures, which exhibit rather different morphologies at the cross sections. Brittle fracture has been effectively eliminated, while the mechanism of decay-like fracture has still not been clearly revealed. In this study, surface discharge tests were applied to investigate the discharge influence on the degradation of GFRE. The test successfully simulated the composition variation of the rods in real-life composite insulators with decay-like fractures. Moreover, it confirmed that the distinction between the characteristics of brittle fracture and decay-like fracture stems from epoxy degradation due to hydrolysis and carbonization. In addition, the respective influences of the resin type, glass fiber type, and acid liquid immersion on the degradation process were probed, and the degradation mechanism proposed in this research was verified. Based on the results, measures for preventing the development of decay-like fractures in real-life operations were determined. Full article
(This article belongs to the Special Issue Resin-Based Polymers and Composite Materials)
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20 pages, 7280 KiB  
Article
The Dynamic Properties at Elevated Temperature of the Thermoplastic Polystyrene Matrix Modified with Nano-Alumina Powder and Thermoplastic Elastomer
by Chih-Ming Chen, Huey-Ling Chang and Chun-Ying Lee
Polymers 2022, 14(16), 3319; https://doi.org/10.3390/polym14163319 - 15 Aug 2022
Cited by 3 | Viewed by 1363
Abstract
The performance improvement of advanced electronic packaging material is an important topic to meet the stringent demands of modern semiconductor devices. This paper studies the incorporation of nano-alumina powder and thermoplastic elastomer (TPE) into thermoplastic polystyrene matrix to tune the thermal and mechanical [...] Read more.
The performance improvement of advanced electronic packaging material is an important topic to meet the stringent demands of modern semiconductor devices. This paper studies the incorporation of nano-alumina powder and thermoplastic elastomer (TPE) into thermoplastic polystyrene matrix to tune the thermal and mechanical properties after injection molding process. In the sample preparation, acetone was employed as a solvent to avoid the powder escape into surrounding during the mechanical mixing in a twin-screw mixer. The pressure and shear force were able to mix the composite with good uniformity in compositions. The samples with different compositions were fabricated using injection molding. The measured results showed that adding 5 wt.% of TPE into the simple polystyrene was able to raise the melt flow index from 12.3 to 13.4 g/10 min while the thermal decomposition temperature remained nearly unchanged. Moreover, the addition of small amount of nano-alumina powder could quickly improve the mechanical property by raising its storage modulus. For example, the addition of 3 wt.% of nano-alumina powder had an increase of 7.3% in storage modulus. Over doping of nano-alumina powder in the composite, such as 10 wt.%, on the other hand, lowered the storage modulus from 2404 MPa to 2069 MPa. The experimental study demonstrated that the tuning in the polystyrene’s thermal and mechanical properties is feasible by composition modification with nano-alumina powder and TPE. The better concentration of the additives should be determined according to the specific applications. Full article
(This article belongs to the Special Issue Resin-Based Polymers and Composite Materials)
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