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Polymers
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Advanced Multi-Functional Polymer Composites II
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Advanced Multi-Functional Polymer Composites II

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

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 9336

Special Issue Editor

Dr. Xinbo Wang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Harbin Institute of Technology, Weihai 264209, China
Interests: self-assembly of diblock copolymers; porous thermosetting resins and their applications; functional fluoro-silcone polymers; high-performance polyimides and their modification
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the continuous development of technology and social progress, more and more polymer materials have become widely used.

The high performance and functionalization of polymer materials are important research directions for polymer science and engineering. The preparation of polymer composites is an important method to realize the high performance and functionalization of polymer materials. Polymer composites are usually multiphase solid materials that are composed of a polymer matrix and other materials with different shapes, constituents and properties. Enhancing and increasing the functionality of polymer composites is always a research hotspot in polymer science.

Advanced polymer composites with multi-functionality exhibit important properties related to light weight, good insulation, high strength, excellent flexibility, and low cost, as well as fatigue and corrosion resistance, and have been widely used in the energy power, automotive, aerospace, architecture, sporting goods, and electronics industries, in the medical field, in environmental protection, and in other key areas.

This Special Issue aims to cover the recent developments in advanced multi-functional polymer composites involving design, functionality, fabrication, and application.

Upon consideration of your outstanding achievements in the field, I would like to cordially invite you to submit a paper to this Special Issue through the journal’s website, at your earliest convenience. Research articles, review articles, perspectives, communications and letters are all welcome.

Manuscripts should be submitted online before (deadline date). Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere. All manuscripts will be reviewed through a peer-review process. Guidelines for authors and other relevant information for submission of manuscripts are available on the journal’s website.

Dr. Xinbo Wang
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

  • dielectric, ferroelectric and thermoelectric polymer composites
  • adsorption and separation
  • energy and wave absorption
  • flame-retardance
  • antimicrobial
  • anticorrosion
  • heat-resistance
  • self-healing
  • Electromagnetic Interference (EMI) shielding

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Published Papers (5 papers)

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Research

14 pages, 9852 KiB  
Article
Comparative Performance Analysis of Inverse Phase Active Vibration Cancellation Using Macro Fiber Composite (MFC) and Vibration Absorption of Silicone Gel for Vibration Reduction
by Sang-Un Kim and Joo-Yong Kim
Polymers 2023, 15(24), 4672; https://doi.org/10.3390/polym15244672 - 11 Dec 2023
Cited by 2 | Viewed by 1308
Abstract
This study focuses on addressing the issue of unwanted vibrations commonly encountered in various fields by designing an Active Vibration Cancellation (AVC) structure using a flexible piezoelectric composite material macro fiber composite (MFC). A comparative performance analysis was conducted between the AVC and [...] Read more.
This study focuses on addressing the issue of unwanted vibrations commonly encountered in various fields by designing an Active Vibration Cancellation (AVC) structure using a flexible piezoelectric composite material macro fiber composite (MFC). A comparative performance analysis was conducted between the AVC and a traditional passive gel that continuously absorbs vibrations. The results showed that AVC was more effective in mitigating vibrations, making it a promising solution for vibration control. The results of this study from extensive vibration–sensing experiments and comparisons revealed that AVC effectively cancels the vibrations and vibration absorption performance of the passive gel. These findings underline the potential of AVC as an efficient method for eliminating and managing undesired vibrations in practical applications. Specifically, AVC demonstrated a high vibration cancellation ratio of approximately 0.96 at frequencies above 10 Hz. In contrast, passive gel exhibited a relatively consistent vibration absorption ratio, approximately 0.70 to 0.75 at all tested frequencies. These quantitative findings emphasize the superior performance of AVC in reducing vibrations to levels below a certain threshold, demonstrating its efficacy for vibration control in real-world scenarios. Full article
(This article belongs to the Special Issue Advanced Multi-Functional Polymer Composites II)
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14 pages, 1826 KiB  
Article
An Eco-Friendly Adsorbent Based on Bacterial Cellulose and Vermiculite Composite for Efficient Removal of Methylene Blue and Sulfanilamide
by Xiuzhi Bai, Zhongxiang Liu, Pengfei Liu, Yijun Zhang, Linfeng Hu and Tongchao Su
Polymers 2023, 15(10), 2342; https://doi.org/10.3390/polym15102342 - 17 May 2023
Cited by 4 | Viewed by 2173
Abstract
In this work, a novel composite of bacterial cellulose (BC) and expanded vermiculite (EVMT) composite was used to adsorb dyes and antibiotics. The pure BC and BC/EVMT composite were characterized using SEM, FTIR, XRD, XPS and TGA. The BC/EVMT composite exhibited a microporous [...] Read more.
In this work, a novel composite of bacterial cellulose (BC) and expanded vermiculite (EVMT) composite was used to adsorb dyes and antibiotics. The pure BC and BC/EVMT composite were characterized using SEM, FTIR, XRD, XPS and TGA. The BC/EVMT composite exhibited a microporous structure, providing abundant adsorption sites for target pollutants. The adsorption performance of the BC/EVMT composite was investigated for the removal of methylene blue (MB) and sulfanilamide (SA) from an aqueous solution. The adsorption capacity of BC/ENVMT for MB increased with increasing pH, while the adsorption capacity for SA decreased with increasing pH. The equilibrium data were analyzed using the Langmuir and Freundlich isotherms. As a result, the adsorption of MB and SA by the BC/EVMT composite was found to follow the Langmuir isotherm well, indicating a monolayer adsorption process on a homogeneous surface. The maximum adsorption capacity of the BC/EVMT composite was found to be 92.16 mg/g for MB and 71.53 mg/g for SA, respectively. The adsorption kinetics of both MB and SA on the BC/EVMT composite showed significant characteristics of a pseudo-second-order model. Considering the low cost and high efficiency of BC/EVMT, it is expected to be a promising adsorbent for the removal of dyes and antibiotics from wastewater. Thus, it can serve as a valuable tool in sewage treatment to improve water quality and reduce environmental pollution. Full article
(This article belongs to the Special Issue Advanced Multi-Functional Polymer Composites II)
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20 pages, 9756 KiB  
Article
Synergistic Effect of Metal Oxide and Carbon Nanoparticles on the Thermal and Mechanical Properties of Polyimide Composite Films
by Alexandra L. Nikolaeva, Alexander N. Bugrov, Maria P. Sokolova, Igor V. Kuntsman, Elena N. Vlasova, Elena M. Ivan’kova, Ivan V. Abalov and Iosif V. Gofman
Polymers 2023, 15(10), 2298; https://doi.org/10.3390/polym15102298 - 13 May 2023
Cited by 4 | Viewed by 2105
Abstract
In this paper, we report on novel polyimide (PI) nanocomposites filled with binary mixtures of metal oxide (either TiO2 or ZrO2) nanoparticles and nanocarbon (either carbon nanofibers (CNFs) or functionalized carbon nanotubes (CNTfs)). The structure and morphology of [...] Read more.
In this paper, we report on novel polyimide (PI) nanocomposites filled with binary mixtures of metal oxide (either TiO2 or ZrO2) nanoparticles and nanocarbon (either carbon nanofibers (CNFs) or functionalized carbon nanotubes (CNTfs)). The structure and morphology of the materials obtained were comprehensively studied. An exhaustive investigation of their thermal and mechanical properties was performed. We revealed a synergistic effect of the nanoconstituents with regard to a number of functional characteristics of the PIs compared with single-filler nanocomposites, including thermal stability, stiffness (below and above glass transition temperature), yield point, and temperature of flowing. Moreover, the possibility of manipulating the properties of the materials by choosing a proper combination of the nanofillers was demonstrated. The results obtained can become a platform in the design of PI-based engineering materials with tailored characteristics capable of operating in extreme conditions. Full article
(This article belongs to the Special Issue Advanced Multi-Functional Polymer Composites II)
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11 pages, 2498 KiB  
Article
Dynamic Magnetoelectric Effect of Soft Layered Composites with a Magnetic Elastomer
by Liudmila A. Makarova, Iuliia A. Alekhina, Marat F. Khairullin, Rodion A. Makarin and Nikolai S. Perov
Polymers 2023, 15(10), 2262; https://doi.org/10.3390/polym15102262 - 10 May 2023
Cited by 4 | Viewed by 1623
Abstract
Multilayered magnetoelectric materials are of great interest for investigations due to their unique tuneable properties and giant values of magnetoelectric effect. The flexible layered structures consisting of soft components can reveal lower values of the resonant frequency for the dynamic magnetoelectric effect appearing [...] Read more.
Multilayered magnetoelectric materials are of great interest for investigations due to their unique tuneable properties and giant values of magnetoelectric effect. The flexible layered structures consisting of soft components can reveal lower values of the resonant frequency for the dynamic magnetoelectric effect appearing in bending deformation mode. The double-layered structure based on the piezoelectric polymer polyvinylidene fluoride and a magnetoactive elastomer (MAE) with carbonyl iron particles in a cantilever configuration was investigated in this work. The gradient AC magnetic field was applied to the structure, causing the bending of the sample due to the attraction acting on the magnetic component. The resonant enhancement of the magnetoelectric effect was observed. The main resonant frequency for the samples depended on the MAE properties, namely, their thickness and concentration of iron particles, and was 156–163 Hz for a 0.3 mm MAE layer and 50–72 Hz for a 3 mm MAE layer; the resonant frequency depended on bias DC magnetic field as well. The results obtained can extend the application area of these devices for energy harvesting. Full article
(This article belongs to the Special Issue Advanced Multi-Functional Polymer Composites II)
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13 pages, 3740 KiB  
Article
Design of Suspended Slot Racetrack Microring Refractive Index Sensor Based on Polymer Nanocomposite
by Xihan Wu, Jiajun Wang, Jiachen Han, Yuqi Xie, Xuyang Ge, Jianzhi Liao and Yunji Yi
Polymers 2023, 15(9), 2113; https://doi.org/10.3390/polym15092113 - 28 Apr 2023
Viewed by 1519
Abstract
Recently, polymer nanocomposites have attracted great interest due to their remarkable characteristics of high performance and enabling production of low-cost devices. This article explores the reflective index sensing application of the polymer nanocomposite IOC-133, which is a TiOx/polymer nanocomposite with a reflective index [...] Read more.
Recently, polymer nanocomposites have attracted great interest due to their remarkable characteristics of high performance and enabling production of low-cost devices. This article explores the reflective index sensing application of the polymer nanocomposite IOC-133, which is a TiOx/polymer nanocomposite with a reflective index between 1.8 and 1.9. Considering the material properties of high reflective index, low absorption loss, and compatibility with nanoimprint lithography, a microring-based reflective index sensor with a suspended slot waveguide structure is proposed. We combined the sensing mechanism of slot waveguides with high reflective index polymer nanocomposites and designed the suspended structure to address the problem of decreasing sensitivity caused by residual layers. The sensing device was adopted as a microring resonator, which is conducive to large-scale integration. The finite-difference time-domain (FDTD) method was employed to analyze the effects of several key parameters. The results showed that the racetrack microring sensor we propose can achieve a high sensitivity of 436 nm/RIU (Refractive Index Units), about six times higher than the microring sensor with a ridge waveguide. The Q factor of the microring reaches 1.42 × 104, and the detection limit is 1.38 × 10−4 RIU. The proposed suspended slot microring sensor has potential value in the field of nanoprinted photonic integrated circuits. Full article
(This article belongs to the Special Issue Advanced Multi-Functional Polymer Composites II)
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