Carbonaceous Fillers-Reinforced Polymer Matrix Composite for Multi-Functional Applications 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 (25 June 2023) | Viewed by 10415

Special Issue Editor


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Guest Editor
Department of Nano & Advanced Materials Engineering, Jeonju University, Jeonju 55069, Republic of Korea
Interests: filler–matrix interaction; surface modification of fillers; fiber; CFRP; functional composites; polymer blending
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Carbonaceous fillers, such as carbon fibers, carbon nanotubes, graphene, carbon blacks, graphite flakes, and even cokes, have been used as essential reinforcement materials in the fabrication of high-performance polymer matrix multifunctional composites. Carbonaceous-filler-reinforced composites are considered to be excellent materials for the lightweight parts of automobiles, for the device housings of mobile phones, laptops, etc., and for the parts with good electric or thermal conductivity. To obtain the superior performance of the carbon/polymer functional composites, the selection of proper fillers, excellent compatibility with the matrix, and design and simulation are the most critical issues in the real-world industrial field.

This Special Issue will focus on the new trend and recent works on the carbon-material-reinforced polymer matrix composites for multifunctional applications. Studies on the fundamental physicochemical properties and various applications of the composites can be included. Review articles, original articles, note, and short communications are all acceptable.

Topics

  • Carbon-fiber-reinforced composites for multifunctional applications;
  • Nanostructured carbon/polymer composites for multifunctional applications;
  • Characterization of carbonaceous fillers using novel techniques;
  • Filler–matrix adhesion studies;
  • Modification of the surface of fillers and matrices;
  • Design and simulation of carbonaceous-filler-reinforced composite applications.

Prof. Dr. Byung-Joo Kim
Guest Editor

Manuscript Submission Information

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Keywords

  • carbonaceous filler
  • carbon fibers
  • CFRP
  • electric conductivity
  • thermal conductivity
  • multifunctional
  • polymer composites
  • surface treatments
  • formulation

Published Papers (4 papers)

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Research

9 pages, 1671 KiB  
Article
The Effects of Carbon–Silica Dual-Phase Filler on the Crosslink Structure of Natural Rubber
by Jingyi Wang and Hongbing Jia
Polymers 2022, 14(18), 3897; https://doi.org/10.3390/polym14183897 - 18 Sep 2022
Cited by 7 | Viewed by 1855
Abstract
Carbon–silica dual-phase filler (CSDPF)/natural rubber (NR) vulcanizate was prepared by mechanical blending, followed by a hot-press vulcanization. The dispersion of CSDPF in the NR matrix and the effects of CSDPF on the filler–rubber interaction and structure of the rubber network were studied. Scanning [...] Read more.
Carbon–silica dual-phase filler (CSDPF)/natural rubber (NR) vulcanizate was prepared by mechanical blending, followed by a hot-press vulcanization. The dispersion of CSDPF in the NR matrix and the effects of CSDPF on the filler–rubber interaction and structure of the rubber network were studied. Scanning electron microscope results showed that CSDPF dispersed uniformly; however, there were some aggregates of CSDPF when loading too many fillers. With an increase in CSDPF, the interaction between CSDPF and NR chains increases, which was detected by bound rubber in the CSDPF/NR compound. The spectra of solid-state nuclear magnetic resonance revealed that CSDPF could promote the formation of poly-sulfidic crosslink in the rubber vulcanization network. Further, the molecular chain movement ability of vulcanizates decreases according to the spin–spin relaxation of 1H nuclei in CSDPF/NR compounds. The crosslink density of vulcanizate increases, while the chemical crosslink and physical crosslink in the vulcanization network also increase according to the tube model. Full article
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10 pages, 2374 KiB  
Article
Effects of Mixing Ratio of Hybrid Carbonaceous Fillers on Thermal Conductivity and Mechanical Properties of Polypropylene Matrix Composites
by Kwan-Woo Kim, Woong Han and Byung-Joo Kim
Polymers 2022, 14(10), 1935; https://doi.org/10.3390/polym14101935 - 10 May 2022
Cited by 8 | Viewed by 1671
Abstract
This study investigated the effects of carbon fibers and graphite flakes on the composite materials’ heat dissipation properties and mechanical strength with various hybrid ratios in the matrix. Carbon fibers and graphite flakes with high thermal conductivity showed efficiency in heat dissipation performance, [...] Read more.
This study investigated the effects of carbon fibers and graphite flakes on the composite materials’ heat dissipation properties and mechanical strength with various hybrid ratios in the matrix. Carbon fibers and graphite flakes with high thermal conductivity showed efficiency in heat dissipation performance, and mechanical strength was reinforced by carbon fiber. However, the heat dissipation performance and mechanical strength were greatly changed according to the mixing ratio. The optimal filler mixing ratio was derived for inducing the enhanced physical properties of the composites reinforced by hybrid fillers with different shapes. Full article
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14 pages, 4484 KiB  
Article
Liquid Metal Patterned Stretchable and Soft Capacitive Sensor with Enhanced Dielectric Property Enabled by Graphite Nanofiber Fillers
by Priyanuj Bhuyan, Dongkyun Cho, Minjae Choe, Sangmin Lee and Sungjune Park
Polymers 2022, 14(4), 710; https://doi.org/10.3390/polym14040710 - 12 Feb 2022
Cited by 16 | Viewed by 3788
Abstract
In this work, we introduce liquid metal patterned stretchable and soft capacitive sensor with enhanced dielectric properties enabled by graphite nanofiber (GNF) fillers dispersed in polydimethylsiloxane (PDMS) substrate. We oxidized gallium-based liquid metal that exhibited excellent wetting behavior on the surface of the [...] Read more.
In this work, we introduce liquid metal patterned stretchable and soft capacitive sensor with enhanced dielectric properties enabled by graphite nanofiber (GNF) fillers dispersed in polydimethylsiloxane (PDMS) substrate. We oxidized gallium-based liquid metal that exhibited excellent wetting behavior on the surface of the composites to enable patterning of the electrodes by a facile stencil printing. The fluidic behavior of the liquid metal electrode and modulated dielectric properties of the composite (k = 6.41 ± 0.092@6 wt % at 1 kHz) was utilized to fabricate stretchable and soft capacitive sensor with ability to distinguish various hand motions. Full article
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12 pages, 3045 KiB  
Article
Poly(vinylalcohol) (PVA) Assisted Sol-Gel Fabrication of Porous Carbon Network-Na3V2(PO4)3 (NVP) Composites Cathode for Enhanced Kinetics in Sodium Ion Batteries
by Junghoon Yang, Duyoung Choi, Kwang-Seok Kim, Dae Up Kim and Jungpil Kim
Polymers 2022, 14(1), 149; https://doi.org/10.3390/polym14010149 - 31 Dec 2021
Cited by 6 | Viewed by 2371
Abstract
Na3V2(PO4)3 is regarded as one of the promising cathode materials for next-generation sodium ion batteries, but its undesirable electrochemical performances due to inherently low electrical conductivity have limited its direct use for applications. Motivated by the [...] Read more.
Na3V2(PO4)3 is regarded as one of the promising cathode materials for next-generation sodium ion batteries, but its undesirable electrochemical performances due to inherently low electrical conductivity have limited its direct use for applications. Motivated by the limit, this study employed a porous carbon network to obtain a porous carbon network–Na3V2(PO4)3 composite by using poly(vinylalcohol) assised sol-gel method. Compared with the typical carbon-coating approach, the formation of a porous carbon network ensured short ion diffusion distances, percolating electrolytes by distributing nanosized Na3V2(PO4)3 particles in the porous carbon network and suppressing the particle aggregation. As a result, the porous carbon network–Na3V2(PO4)3 composite exhibited improved electrochemical performances, i.e., a higher specific discharge capacity (~110 mAh g−1 at 0.1 C), outstanding kinetic properties (~68 mAh g−1 at 50 C), and stable cyclic stability (capacity retention of 99% over 100 cycles at 1 C). Full article
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