Thermal and dielectric behavior of Ti3C2Tx (MXene) incorporated ethylene vinyl acetate copolymer/linear low-density polyethylene nanocomposites

Jena, Dipika Priyadarsini; Malik, Rajasmita; Parida, B. N.; Nc, Nayak

doi:10.1007/s10854-021-07621-8

Cited by 3 publications

(2 citation statements)

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“…The first and second phases are due to the elimination of adsorbed free water molecules and bonded water molecules with functional groups from the surface of Ti 3 C 2 T x , respectively. The next degradation is because of the breakdown of Ti 3 C 2 T x at 821 C. 52 We note the improvement of the thermal stability of Ti 3 C 2 T x /EMA composites upon increasing in Ti 3 C 2 T x amount, which indicates better-intercalated structure and dispersion of Ti 3 C 2 T x . A single-step decomposition process of the composites is noticed at 381 C because of homolytic cleavage of methoxycarbonyl side groups followed by β C-C scission.…”

Section: Thermogravimetric Analysismentioning

confidence: 69%

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Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Malik

Parida

et al. 2022

J of Applied Polymer Sci

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Light-weight and flexible 2D MXene-based polymer materials with low dielectric loss and high dielectric constant have drawn great attention in the power systems and modern electronic field. A series of Ti 3 C 2 T x /EMA composites were fabricated via simple solution casting followed by a compression molding method with various mass concentrations of Ti 3 C 2 T x (0, 1, 3, 5, 8, 10, 12, and 15 wt%). Morphological and micro structural properties of the prepared composites were studied via X-ray diffraction (XRD) and fieldemission scanning electron microscope (FESEM), where the distribution of Ti 3 C 2 T x in the Ti 3 C 2 T x /EMA composites was confirmed. Thermal behaviors were analyzed by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) investigations. The DSC analysis reveals that the % of crystallinity decreases from 11.06 with 1 wt% to 5.68 with 15 wt%, where Ti 3 C 2 T x acts as an efficient nucleating agent. TGA data confirm the enhancement of the thermal stability of the composites upon increasing in Ti 3 C 2 T x loading. The room temperature electrical and dielectric behavior of the studied composites were examined in the frequency range of 100 Hz-5 MHz. In this work, the 10 wt% of Ti 3 C 2 T x loaded poly (ethylene-co-methyl acrylate) composite (EMA) showed higher dielectric permittivity (ε 0 = 124.22) with lower dissipation loss (tan δ = 0.051) at 100 Hz among all weight percentages. The behavior of charge carriers in the prepared composites was studied by utilizing the impedance spectroscopy technique. The electrical parameters were calculated from the fitted Nyquist plots with a corresponding circuit model. I-V curves confirmed the conduction mechanisms of the composites. This beneficial enhancement in electrical properties recommends the composite can be utilized in flexible electronic storage devices.

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Section: Thermogravimetric Analysismentioning

confidence: 69%

Section: Resultsmentioning

confidence: 99%

Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Malik

Parida

et al. 2022

J of Applied Polymer Sci

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Synthesis process, thermal and electrical behaviors of Ti₃C₂T_x MXene

Demirelli,

Çelik,

Aksoy

et al. 2024

Materialwissenschaft Werkst

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Synthesis of two‐dimensional (2D) titanium carbide (Ti3C2Tx), with the name of MXene, by etching Ti3AlC2 (MAX) for different times 20 (v/v) % hydrofluoric acid (HF) at 40 °C was carried out. The influences of time, temperature and source of MAX on the synthesis of MXene were researched. The MXenes produced were characterized by fourier‐transform ınfrared (FT‐IR) spectroscopy technique, energy dispersive x‐ray spectroscopy (EDX), scanning electron microscopy (SEM), x‐ray diffraction (XRD) and thermogravimetry (TG) instruments. Above 390 °C, MXene layers were considerably oxidizing and forming anatase and rutile phases of TiO2 under air atmosphere. The resistance of MAX and MXene was 3.6 Ω and 116 Ω, respectively. However, the resistance of the residual part of MXene heated to 620 °C considerably increased to 17850 Ω. This behavior is another important piece of evidence showing that the MXene crystal structure has changed significantly and transformed into a new chemical structure containing anatase and rutil titanium oxide (TiO2). The dielectric loss (ϵ’’) and alternating conductivity (δac) of the MAX and MXenes were determined from their impedance measurements. The ϵ’’ and δac values of MXene were compared with those of MAX. Direct curent conductivities of MAX and MXene produced for 24 h were found to be 0.016 S/cm and 0.0023 S/cm, respectively.

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Emerging advances in thermal conductivity of polymeric nanoarchitectures

Idumah

2023

Polymer-Plastics Technology and Materials

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Thermal and dielectric behavior of Ti3C2Tx (MXene) incorporated ethylene vinyl acetate copolymer/linear low-density polyethylene nanocomposites

Cited by 3 publications

References 52 publications

Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Synthesis process, thermal and electrical behaviors of Ti₃C₂T_x MXene

Emerging advances in thermal conductivity of polymeric nanoarchitectures

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Thermal and dielectric behavior of Ti3C2Tx (MXene) incorporated ethylene vinyl acetate copolymer/linear low-density polyethylene nanocomposites

Cited by 3 publications

References 52 publications

Structural, thermal and dielectric properties of 2D layered Ti3C2Tx (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Structural, thermal and dielectric properties of 2D layered Ti3C2Tx (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Synthesis process, thermal and electrical behaviors of Ti3C2Tx MXene

Emerging advances in thermal conductivity of polymeric nanoarchitectures

Contact Info

Product

Resources

About

Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Structural, thermal and dielectric properties of 2D layered Ti₃C₂T_x (MXene) filled poly (ethylene‐co‐methyl acrylate) (EMA) nanocomposites

Synthesis process, thermal and electrical behaviors of Ti₃C₂T_x MXene