Structural, conductivity, mechanical and wettability properties of copper alumina reinforced chlorinated polyethylene/polyvinyl chloride blend nanocomposites

Suvarna, S.; Furhan,; Ramesan, M. T.

doi:10.1007/s11164-022-04881-9

Cited by 16 publications

(7 citation statements)

References 48 publications

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“…The slight decrease in impact strength at higher loadings is associated with the brittleness of PMMA and restricted mobility of the polymer chain, which resists the energy dissipation mechanism. 37 A similar trend is obtained in the case of hardness. All nanocomposite films show higher hardness relative to bare PMMA because the boehmite restricts the indentation of polymer chain.…”

Section: Resultssupporting

confidence: 77%

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Vyshakh

Arun

Sathian

et al. 2023

Journal of Thermoplastic Composite Materials

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The structural, optical, morphological and thermal properties of poly (methyl methacrylate) (PMMA)/boehmite nanocomposite films were studied by Fourier transform infrared spectroscopy (FT-IR), UV-Vis spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) studies. The FT-IR spectra of composites showed the characteristic band of boehmite nanoparticles at 518 cm−1 indicating an effective interaction between PMMA and boehmite. The UV-visible measurements showed that the optical energy gaps for the direct permitted transitions decreased as boehmite content increased. The orientation of nanoparticles observed from XRD revealed that the addition of boehmite increases the crystallinity of PMMA. The SEM analysis showed the uniform distribution of boehmite in the PMMA matrix. The shift in glass transition and melting temperatures to higher temperature domains were revealed by DSC analysis. From the TGA studies, the reinforcement of PMMA with boehmite nanoparticles increases thermal stability. The electrical conductivity was measured using the impedance technique, and it was studied as a function of nanoparticles loading, applied frequency ranging from 100 to 106 Hz and at different temperatures. The AC conductivity of the composite increases with frequency and temperature. The activation energy was also measured for all samples at various applied frequencies, and it was observed that it decreased with increasing nanoparticle loading. The dielectric constant of PMMA increases with nanoparticle concentration up to 7 wt%. The modulus, tensile strength, hardness, and impact properties of the PMMA/boehmite nanocomposite films were significantly enhanced by the reinforcement of nanoparticles into the polymer matrix. The excellent optical properties, mechanical strength and electrical properties obtained for 7 wt% loaded nanocomposite films enable them to be used in the construction of electromagnetic induction shielding materials, conducting adhesives, and flame-resistant flexible optoelectronic devices.

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Section: Resultssupporting

confidence: 77%

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Vyshakh

Arun

Sathian

et al. 2023

Journal of Thermoplastic Composite Materials

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“…60 But, for 20 wt% loaded nanocomposite, the conductivity value slightly lowered. This can be due to the very high loading of MXene that lacked proper dispersion and formed disorder in the polymer matrix 61 (Figure 17F). This result is in accordance with the results of the The complex impedance spectroscopic studies of pure PVA film and all the nanocomposite films at different temperatures are shown in Figure 18.…”

Section: Ac Conductivitymentioning

confidence: 99%

Dielectric, AC conductivity, and complex impedance spectroscopy studies of Ti₂CT_x MXene reinforced polyvinyl alcohol nanocomposites

Panda¹,

Deshmukh

Pasha³

2023

Polymers for Advanced Techs

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Herein, Ti2CTx MXene‐Polyvinyl alcohol (PVA) nanocomposite films with different weight percent (wt%) of MXene loadings were successfully prepared using the facile solution casting method. The structural, morphological, optical, thermal, and tensile properties of the nanocomposite films were analyzed using FTIR, XRD, Raman, SEM, UV–Vis spectroscopy, TG‐DTA, mechanical tests, and so forth. The variation in dielectric constant, loss tangent, and AC conductivity of the nanocomposite films was analyzed in the range of 1 Hz to 10 MHz with the variation of temperature (30–150°C) and MXene concentrations (5–20 wt%) using impedance spectroscopy. The nanocomposite films showed a very high dielectric constant in the range of ~105 for lower frequency and very low dielectric loss in the range of 0–1 for higher frequency (100 kHz–10 MHz). The dielectric constant, loss tangent, and AC conductivity values increased at a certain temperature and further decreased with increase in temperature. The increase in filler concentration increased the values of these investigated electrical parameters but at a concentration of 20 wt%, the nanocomposite films reached the percolation limit, and hence a slight reduction in the dielectric properties was noticed. Moreover, the complex impedance spectroscopy studies of the nanocomposite films were also carried out and their corresponding circuit diagrams were fitted according to the obtained cole‐cole plots.

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“…[14][15][16][17][18][19] These properties originate from the large specific surface area of nanoparticles, promoting direct interaction with the polymeric matrix, and yielding an exceptionally extensive polymerfiller interfacial region. [20][21][22][23][24][25][26] Numerous research papers have been devoted to this field, showcasing the notable enhancement of mechanical properties upon the integration of diverse nanofillers. [26][27][28][29][30] Hence, there has been significant interest in the modification of UHMWPE using nanoadditives, aiming to enhance its mechanical characteristics and expand its potential applications in the clinical context.…”

Section: Introductionmentioning

confidence: 99%

“…Nanocomposites present a distinct set of attributes when compared to traditional composites, achieved by introducing minute quantities of nanoreinforcements 14–19 . These properties originate from the large specific surface area of nanoparticles, promoting direct interaction with the polymeric matrix, and yielding an exceptionally extensive polymer‐filler interfacial region 20–26 . Numerous research papers have been devoted to this field, showcasing the notable enhancement of mechanical properties upon the integration of diverse nanofillers 26–30 .…”

Section: Introductionmentioning

confidence: 99%

Mechanical, morphological, and numerical evaluation of biocompatible ultra‐high molecular weight polyethylene/nano‐zeolite nanocomposites

Soudmand,

Mohsenzadeh

2023

Polymer Composites

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The incorporation of bio‐friendly nano‐zeolite (NZ) into ultra‐high molecular weight polyethylene (UHMWPE), renowned for its exceptional biocompatibility, presents an intriguing pathway for robust structural biomedical applications. This study aimed to investigate the influence of NZ integration on the tensile and impact properties of UHMWPE/NZ nanocomposites through experimental and morphological assessments. The morphology examinations primarily entailed particle distribution, clustering extent, and the primary toughening response induced by fillers under impact loading. Fourier transform infrared spectroscopy (FTIR) was utilized to investigate the bonding characteristics between NZ and UHMWPE within the nanocomposites. Moreover, differential scanning calorimetry (DSC) was employed to examine alterations in the crystalline structure of the nanocomposites, revealing an increase of up to 9% in crystallinity () following the incorporation of NZ. Tensile tests demonstrated significant improvements, with a 45% increase in tensile modulus and a 14% increment in strength upon the inclusion of NZ. Impact toughness consistently showed enhancements of up to 24%. The improved impact strength was attributed to the extensive partial particle‐induced debonding and subsequent release of plastic constraints within the matrix. The micro‐mechanisms responsible for nanoparticle‐triggered toughening were further investigated using super‐magnified images from impact‐fractured SEM micrographs, and various impact toughening mechanisms were observed, classified, and discussed in the UHMWPE/NZ nanocomposites. Various analytical solutions were employed to predict the elastic modulus and tensile strength of nanocomposites. Subsequently, the results were compared to experimental data, and any discrepancies were thoroughly justified.Highlights The mechanical traits of UHMWPE/nano‐zeolite nanocomposites were explored. Tensile and impact strength increased up to 14% and 24% with NZ addition. Morphological inspections were conducted to assess filler‐induced debonding. Toughening mechanisms were assessed through super‐magnified SEM micrographs. Micromechanical models were used to predict the tensile modulus and strength.

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Structural, conductivity, mechanical and wettability properties of copper alumina reinforced chlorinated polyethylene/polyvinyl chloride blend nanocomposites

Cited by 16 publications

References 48 publications

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Dielectric, AC conductivity, and complex impedance spectroscopy studies of Ti₂CT_x MXene reinforced polyvinyl alcohol nanocomposites

Mechanical, morphological, and numerical evaluation of biocompatible ultra‐high molecular weight polyethylene/nano‐zeolite nanocomposites

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Structural, conductivity, mechanical and wettability properties of copper alumina reinforced chlorinated polyethylene/polyvinyl chloride blend nanocomposites

Cited by 16 publications

References 48 publications

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Effect of boehmite nanoparticles on structural, optical, thermal, mechanical and electrical properties of poly (methyl methacrylate) nanocomposites for flexible optoelectronic devices

Dielectric, AC conductivity, and complex impedance spectroscopy studies of Ti2CTx MXene reinforced polyvinyl alcohol nanocomposites

Mechanical, morphological, and numerical evaluation of biocompatible ultra‐high molecular weight polyethylene/nano‐zeolite nanocomposites

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Product

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Dielectric, AC conductivity, and complex impedance spectroscopy studies of Ti₂CT_x MXene reinforced polyvinyl alcohol nanocomposites