Advanced Polymeric Materials: Structure Property Relationships

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

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1546

Special Issue Editors


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Guest Editor
Department of Polymer Materials Engineering, The Pernick Faculty of Engineering Shenkar College, 12 Anna Frank Street, Ramat Gan 52526, Israel
Interests: polymer nanocomposites; thermoplastics and thermosetting systems composed of nanoclays; carbon nanotubes; nanosilica; poss; graphene; inorganic nanoparticles; effect of process parameters on orientation and properties; advanced polymer nanocomposite coatings
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Polymer Materials Engineering, The Pernick Faculty of Engineering Shenkar College, 12 Anna Frank Street, Ramat Gan 52526, Israel
Interests: adhesives; coatings; nanotechnology; nanoparticles; biomedical polymers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The idea that polymers consist of numerous elongated chains or networks of covalently bonded atoms has been with us for a long time. Irrespective of whether the polymer is in a form of fiber, bulk plastic, thin coating, or adhesive, it consists of a backbone of covalently bonded atoms or polymer networks. The differences between the final properties depend to a large extent on the morphology, the network formation, the intermolecular secondary forces of homopolymers, and the interfacial forces of the constituents in hybrid polymer systems. 

Advanced polymeric materials are those polymers that exhibit unique or enhanced properties relative to conventional polymers. Among them are polymer blends, nano- and microcomposites, electrically conductive and optically active polymers, biodegradable polymers, biomedical polymers, bioinspired polymers, dendrimers, hyperbranched polymers, and vitrimers.

The objective of this Special Issue is to assemble research or review papers that can demonstrate the understanding and relationship between the structure and composition of advanced polymers with their unique properties, in the final processed part. This Special Issue seeks contributions from academic and research institutions as well as industrial entities. 

Prof. Dr. Samuel Kenig
Prof. Dr. Hanna Dodiuk
Guest Editors

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. 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

  • structure–property relationship
  • advanced polymers
  • hybrid polymer systems
  • nano- and microcomposites
  • electrical and optical active polymers
  • biomedical polymers

Published Papers (1 paper)

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Research

16 pages, 4734 KiB  
Article
The Mechanical Properties Relationship of Radiation-Cured Nanocomposites Based on Acrylates and Cationic Polymerized Epoxies and the Composition of Silane-Modified Tungsten Disulfide Nanoparticles
by Yarden Gercci, Natali Yosef-Tal, Tatyana Bendikov, Hanna Dodiuk, Samuel Kenig and Reshef Tenne
Polymers 2023, 15(14), 3061; https://doi.org/10.3390/polym15143061 - 16 Jul 2023
Cited by 1 | Viewed by 1017
Abstract
The effect of semiconducting tungsten disulfide (WS2) nanoparticles (NPs), functionalized by either methacryloxy, glycidyl, vinyl, or amino silanes, has been studied in photocuring of acrylate and epoxy resins (the latter photocured according to a cationic mechanism). The curing time, degree of [...] Read more.
The effect of semiconducting tungsten disulfide (WS2) nanoparticles (NPs), functionalized by either methacryloxy, glycidyl, vinyl, or amino silanes, has been studied in photocuring of acrylate and epoxy resins (the latter photocured according to a cationic mechanism). The curing time, degree of curing (DC), thermal effects, and mechanical properties of the radiation-cured resins were investigated. X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) analyses confirmed that a silane coating was formed (1–4 nm) on the NPs’ surface having a thickness of 1–4 nm. Fourier transition infrared (FTIR) was used to determine the DC of the nanocomposite resin. The curing time of the epoxy resin, at 345–385 nm wavelength, was 10 to 20 s, while for acrylate, the curing time was 7.5 min, reaching 92% DC in epoxy and 84% in acrylate. The glass transition temperature (Tg) of the photocured acrylates in the presence of WS2 NPs increased. In contrast to the acrylate, the epoxy displayed no significant variations of the Tg. It was found that the silane surface treatments enhanced the DC. Significant increases in impact resistance and enhancement in shear adhesion strength were observed when the NPs were treated with vinyl silane. A previous study has shown that the addition of WS2 NPs at a concentration of 0.5 wt.% is the optimal loading for improving the resin’s mechanical properties. This study supports these earlier findings not only for the unmodified NPs but also for those functionalized with silane moieties. This study opens new vistas for the photocuring of resins and polymers in general when incorporating WS2 NPs. Full article
(This article belongs to the Special Issue Advanced Polymeric Materials: Structure Property Relationships)
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