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Surface Modification of Polymers by Low Temperature Plasma Treatment
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Surface Modification of Polymers by Low Temperature Plasma Treatment

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 3678

Special Issue Editor

Prof. Dr. Alexander Kuznetsov

E-Mail Website
Guest Editor
1. Enilkolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences, 117393 Moscow, Russia
2. Lomonosov Institute of Fine Chemical Technologies, Russian Technological University, 117393 Moscow, Russia
Interests: polymer chemistry; gas separarion membranes; polymer surface modification; low temperature plasma; polyimide chemistry; polycondensation; high performance polymers

Special Issue Information

Dear Colleagues,

The editorial plan is to issue a Special Issue of the journal, which will focus on the use of low-temperature glow discharge plasma for the direct modification of the polymer surface, as well as obtaining thin polymer coatings on various substrates through chemical deposition from the gas phase (PECVD). We plan to collect articles and mini-reviews that will demonstrate examples of using various experimental plasma-chemical techniques to obtain coatings of different types, characterize their chemical and morphological structure using instrumental methods, and study their properties. The use of the obtained polymer and hybrid materials in various fields will be discussed—for example, in solving problems of improving the adhesive properties of polymer films, improving the characteristics of gas separation membranes, applying protective coatings, immobilizing bioactive substances on the surface in tissue engineering, and improving the biocompatibility of polymer materials, etc.

Prof. Dr. Alexander A. Kuznetsov
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. 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

  • low-temperature plasma, glow discharge
  • polymers
  • surface modification
  • polymer coatings
  • thin films
  • plasma enhanced chemical vapor deposition
  • plasma polymerization

Published Papers (2 papers)

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Research

10 pages, 1925 KiB  
Article
Depth Profile Analysis of the Modified Layer of Poly(vinyltrimethylsilane) Films Treated by Direct-Current Discharge
by Mikhail Piskarev, Elena Skryleva, Alla Gilman, Boris Senatulin, Alexander Zinoviev, Daria Syrtsova, Vladimir Teplyakov and Alexander Kuznetsov
Coatings 2021, 11(11), 1317; https://doi.org/10.3390/coatings11111317 - 29 Oct 2021
Cited by 6 | Viewed by 1475
Abstract
Previously, we found that modification of the membrane surface from polyvinyltrimethylsilane (PVTMS) by treatment with low-temperature plasma induced by low pressure DC discharge leads to a significant increase in gas separation characteristics. To understand the mechanism of this phenomenon, in this article XPS [...] Read more.
Previously, we found that modification of the membrane surface from polyvinyltrimethylsilane (PVTMS) by treatment with low-temperature plasma induced by low pressure DC discharge leads to a significant increase in gas separation characteristics. To understand the mechanism of this phenomenon, in this article XPS combined with precision etching 10 keV beam of Ar2500+ clusters was used for depth profiling of PVTMS spin-coated films before and after DC discharge treatment. The etching craters depths were measured by stylus surface profiler. The average etching rate of the untreated PVTMS film by Ar2500+ clusters was defined (230 nm/min). It was found that the low temperature plasma treatment of PVTMS leads to a sharp increase in the oxygen concentration on a surface with a simultaneous decrease in the carbon content. The experimental data obtained indicate also that the treatment of PVTMS film by plasma leads not only to a change in the chemical structure of the surface, but also to the formation of a gradient subsurface layer with a thickness of about 50 nm. Full article
(This article belongs to the Special Issue Surface Modification of Polymers by Low Temperature Plasma Treatment)
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14 pages, 4572 KiB  
Article
Sensitivity Enhancement in Plasma Polymer Films for Surface Acoustic Wave Based Sensor Applications
by Ivan Avramov, Ekatherina Radeva, Yuliyan Lazarov, Teodor Grakov and Lazar Vergov
Coatings 2021, 11(10), 1193; https://doi.org/10.3390/coatings11101193 - 30 Sep 2021
Cited by 3 | Viewed by 1708
Abstract
Plasma polymer films (PPF), widely used as sensing layers in surface acoustic wave (SAW) based gas and liquid phase sensors, have a major drawback: high concentrations of the sensed analytes easily drive these films into saturation, where accurate measurements are no longer possible. [...] Read more.
Plasma polymer films (PPF), widely used as sensing layers in surface acoustic wave (SAW) based gas and liquid phase sensors, have a major drawback: high concentrations of the sensed analytes easily drive these films into saturation, where accurate measurements are no longer possible. This work suggests a solution to this problem by modifying the PPF with the sensed chemical compound to improve the overall sorption properties and sensor dynamic range. Thin polymer films were synthesized from hexamethyldisiloxane (HMDSO) and triethylsilane (TES) monomers in a plasma-enhanced chemical vapor deposition (PECVD) process using a RF plasma reactor. We used these Si-containing compounds because they are known for their excellent sensing properties. In this work, the layers were deposited onto the active surface of high-Q 438 MHz Rayleigh SAW two-port resonators, used as mass sensitive sensor elements. We call these devices quartz surface microbalances (QSM). In a second step, ammonia plasma modification was applied to the HMDSO and TES films, in order to achieve a higher sensitivity to NH3. The sensors were probed at different NH3 gas concentrations in a computer controlled gas probing setup. A comparison with unmodified films revealed a 74% to 85% improvement in both the sensitivity and sorption ability of the HMDSO sensing layers, and of about 8% for the TES films. Full article
(This article belongs to the Special Issue Surface Modification of Polymers by Low Temperature Plasma Treatment)
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