2020
DOI: 10.1002/pc.25762
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Dielectric and interfacial properties investigation of poly(acrylonitrile‐co‐2,2,2‐trifluoroethyl methacrylate) copolymer/organomodified beidellite clay nanocomposites

Abstract: The dielectric properties of fluorinated cyano copolymer poly(acrylonitrileco-2,2,2-Trifluoroethyl methacrylate) (poly[AN-co-MATRIF]), reinforced with a natural Moroccan beidellite nanoclay organomodified with cetyltrimethylammonium bromide were studied. The effect of varying nanofillers loadings (1 wt%, 2 wt%, 3 wt%, and 5 wt%) on the molecular dynamics was investigated using broadband dielectric spectroscopy from 10 −1 to 10 6 Hz and temperatures ranging between 30 C to 100 C. For the copolymer matrix, the r… Show more

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Cited by 10 publications
(13 citation statements)
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“…The same result was found in the case of poly(AN-co-MATRIF)/beidellite nanoclay nanocomposites. [23] The orientation of the dipolar groups is reduced at the 3 wt% reinforcement range and the lowest Δε(MWS) values indicate a strong adhesion between the beidellite nanoclay and poly(ANco-MATRIF) matrix. Moreover, the properties of the interface were studied by calculating the dielectric strength parameter Δε in the case of PMATRIF/MMT nanocomposites.…”
Section: Havriliak and Negami Behaviormentioning
confidence: 93%
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“…The same result was found in the case of poly(AN-co-MATRIF)/beidellite nanoclay nanocomposites. [23] The orientation of the dipolar groups is reduced at the 3 wt% reinforcement range and the lowest Δε(MWS) values indicate a strong adhesion between the beidellite nanoclay and poly(ANco-MATRIF) matrix. Moreover, the properties of the interface were studied by calculating the dielectric strength parameter Δε in the case of PMATRIF/MMT nanocomposites.…”
Section: Havriliak and Negami Behaviormentioning
confidence: 93%
“…A slight increase in the permittivity is noticed after the addition of Cloisite 20A and especially for the temperatures above the T g , indicating a rise of the F I G U R E 5 Isochronal variations of the real (A) and imaginary (B) and isothermal variations of the real (C) and imaginary (D) parts of the complex permittivity for the nanocomposite PP2% [Color figure can be viewed at wileyonlinelibrary.com] material polarizability. [21,23,24] Two peaks are clearer, in the curves of variations of ε 00 indicating the presence of two different phenomena. The first peak in the same frequency domain as the PP matrix (≈ 1 Hz-10 3 Hz), is attributed to the α c relaxation.…”
Section: Analysis Of Different Relaxation Phenomenamentioning
confidence: 95%
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“…To the abovementioned mixture, 10 g potassium carbonate was added and stirred for an hour at 120 C. p-Chloronitrobenzene dissolved in DMF (10 gm) was added drop by drop at 120 C for an hour. The mixture was 1 H NMR spectrum of the bf monomer. bf, benzoxazine monomer; NMR, nuclear magnetic resonance refluxed overnight and the resulting product was precipitated in ice-cold water.…”
Section: Synthesis Of Benzoxazine Monomer and Functionalized Graphenementioning
confidence: 99%
“…As compared to the traditional composites, such nanocomposites show improvements in mechanical, thermal, electrical, optical, and barrier properties. [1,2] Furthermore, the composite constituents (matrix/filler) must be chosen carefully to ensure that the material's expected properties are fulfilled. [3][4][5] In today's advanced materials technology, the idea of combining different types of materials by synergy is one of the most efficient ways to achieve specific goals with maximum performance in properties and cost-effectiveness.Polymers are one of the most successfully studied materials, owing to the enormous variety of chemical structures available and the resulting compendium of properties, as well as their low cost, ease of processing, and potential for recyclability and application as sustainable materials.…”
Section: Introductionmentioning
confidence: 99%