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Polymers
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Spectroscopy Applied to Polymers
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Spectroscopy Applied to Polymers

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

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 8043

Special Issue Editor

Dr. Maria Teresa Caccamo

E-Mail Website
Guest Editor
Department of Mathematical and Computer Sciences, Physical and Earth Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 31, 98166 Messina, Italy
Interests: complementary spectroscopic techniques; infrared spectroscopy; Raman spectroscopic; neutron scattering; polymers; peo; peg; disaccharides; trehalose; maltose; sucrose
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymers consist of a series of identical chemical structures that form a chain; each link in the chain is called a repeat unit. If one thinks about the etymology of the word, it comes from the Greek and is composed of " polýs " (many) and "méros " (parts). Therefore, a polymer is a molecule that contains many parts. Polymers are considered valuable systems for the study of interaction mechanisms with water, proteins, etc. Spectroscopic techniques are powerful tools to investigate the structural and dynamical properties of polymeric systems; in particular, such techniques allows to probe the structure and to obtain information on physicochemical changes that occur in polymers. In order to reach a quite accurate physical framework, the simultaneous application of many complementary techniques is requested. Thanks to this approach, it is possible to probe different space–time scales and to couple with different system variables. With this in mind, this Special Issue is focused on “Spectroscopy Applied to Polymers” in order to highlight the physicochemical characteristics of polymers.  Papers dealing with spectroscopic techniques in the field of polymers are welcome; this represents an opportunity for the authors to share the content of their studies.

Dr. Maria Teresa Caccamo
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

  • spectroscopic techniques
  • polymers
  • application
  • polymeric systems
  • infrared spectroscopy
  • Raman
  • NMR
  • dielectric spectroscopy

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Published Papers (2 papers)

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Research

11 pages, 3173 KiB  
Article
In Situ Polymerization Synthesis of Graphdiyne Nanosheets as Electrode Material and Its Application in NMR Spectroelectrochemistry
by Siyue Zhang, Lin Yang, Xiaoping Zhang, Yuxue Chen, Yutong Zhang and Wei Sun
Polymers 2023, 15(12), 2726; https://doi.org/10.3390/polym15122726 - 18 Jun 2023
Cited by 1 | Viewed by 1833
Abstract
In situ NMR spectroelectrochemistry is extremely powerful in studying redox reactions in real time and identifying unstable reaction intermediates. In this paper, in situ polymerization synthesis of ultrathin graphdiyne (GDY) nanosheets was realized on the surface of copper nanoflower/copper foam (nano−Cu/Cuf)-based electrode with [...] Read more.
In situ NMR spectroelectrochemistry is extremely powerful in studying redox reactions in real time and identifying unstable reaction intermediates. In this paper, in situ polymerization synthesis of ultrathin graphdiyne (GDY) nanosheets was realized on the surface of copper nanoflower/copper foam (nano−Cu/Cuf)-based electrode with hexakisbenzene monomers and pyridine. Palladium (Pd) nanoparticles were further deposited onto the GDY nanosheets by the constant potential method. By using this GDY composite as electrode material, a new NMR-electrochemical cell was designed for in situ NMR spectroelectrochemistry measurement. The three-electrode electrochemical system consists of a Pd/GDY/nano−Cu/Cuf electrode as the working electrode, a platinum wire as the counter electrode, and a silver/silver chloride (Ag/AgCl) wire as a quasi-reference electrode, which can be dipped into a specially constructed sample tube and adapted for convenient operation in any commercial high-field, variable-temperature FT NMR spectrometer. The application of this NMR-electrochemical cell is illustrated by monitoring the progressive oxidation of hydroquinone to benzoquinone by controlled-potential electrolysis in aqueous solution. Full article
(This article belongs to the Special Issue Spectroscopy Applied to Polymers)
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14 pages, 11662 KiB  
Article
Application of Infrared Spectroscopy in Research on Aging of Silicone Rubber in Harsh Environment
by Zhijin Zhang, Tian Liang, Zhenglong Jiang, Xingliang Jiang, Jianlin Hu and Guohui Pang
Polymers 2022, 14(21), 4728; https://doi.org/10.3390/polym14214728 - 4 Nov 2022
Cited by 13 | Viewed by 5579
Abstract
Polymer insulators using silicone rubber materials as sheds and sheaths are widely used in power systems to replace traditional porcelain and glass insulators which are heavy, inconvenient to install, and prone to pollution flashover. However, in recent years, polymer insulators that have been [...] Read more.
Polymer insulators using silicone rubber materials as sheds and sheaths are widely used in power systems to replace traditional porcelain and glass insulators which are heavy, inconvenient to install, and prone to pollution flashover. However, in recent years, polymer insulators that have been operating in harsh outdoor environments for many years have experienced different degrees of aging. The aging degree and aging products of silicone rubber are the focus of research. Fourier transform infrared spectroscopy (FTIR) is a technical method to analyze the internal molecular bonds and functional groups of materials, and it is often used to study the aging degree and aging products of silicone rubber. In this paper, the aging characteristics of silicone rubber samples in a high altitude area, salt fog environment, and acid environment were studied by FTIR. The results showed that the silicone rubber in a harsh environment, such as strong radiation, salt fog, and acid fog was degraded to some extent, and its main chain was cut off, the degree of polymerization was reduced, and the content of hydrophobic functional groups was reduced. Infrared spectroscopy can be used to analyze the aging phenomenon of polymers. Full article
(This article belongs to the Special Issue Spectroscopy Applied to Polymers)
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