2019
DOI: 10.1002/pi.5751
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High‐performance electromagnetic interference shielding material based on an effective mixing protocol

Abstract: A facile and economic method is developed for the fabrication of new lightweight materials with high electromagnetic interference (EMI) shielding performance, good mechanical properties and low electrical percolation threshold through melt mixing. Electrical properties, DC conductivity, EMI shielding performance and mechanical properties of poly(trimethylene terephthalate) (PTT)/multiwalled carbon nanotube (MWCNT) nanocomposites with varying filler loading of MWCNTs were investigated. High‐resolution transmiss… Show more

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Cited by 18 publications
(5 citation statements)
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“…This increment in electrical conductivity is suddenly raised for , confirming the formation of a percolative three-dimensional network; this increase is more pronounced in the range . Extra addition of CNT filler has shown low to marginal increase in the conductivity of PC-CNT composite [ 31 ]. This model is not favorable to be applied in our study, because our composite does not follow electron diffusion theory, relying on electron emission in the studied range of CNTs loading due to the interconnected CNTs pathways; when taking into account the first data point where the composite is not reinforced by CNT (pristine PC, 0.0 vol.%), a straight line cannot be obtained.…”
Section: Resultsmentioning
confidence: 99%
“…This increment in electrical conductivity is suddenly raised for , confirming the formation of a percolative three-dimensional network; this increase is more pronounced in the range . Extra addition of CNT filler has shown low to marginal increase in the conductivity of PC-CNT composite [ 31 ]. This model is not favorable to be applied in our study, because our composite does not follow electron diffusion theory, relying on electron emission in the studied range of CNTs loading due to the interconnected CNTs pathways; when taking into account the first data point where the composite is not reinforced by CNT (pristine PC, 0.0 vol.%), a straight line cannot be obtained.…”
Section: Resultsmentioning
confidence: 99%
“…This process involves the adsorption of positively charged surfactant onto the surface of MWCNTs. Then, sonication of the solution dispersed the nanotube aggregates into a fine dispersion via steric and electrostatic repulsions 38 (Figure S1). While preparing the nanocomposite solution, the noncovalently functionalized MWCNT were uniformly dispersed into the KS conjugate.…”
Section: ■ Introductionmentioning
confidence: 99%
“…Modeling techniques can investigate the roles of different parameters in the conductivity of nanocomposites. Recently, carbon nanomaterials such as carbon nanotubes (CNTs) [11][12][13][14][15][16][17][18] and graphene [19][20][21][22][23][24][25][26][27][28][29][30] have attracted much interest by researchers. Some models have been developed for the conductivity of polymer CNT nanocomposites (PCNTs) assuming the filler arrangement, filler agglomeration, tunneling distance and CNT waviness, [31][32][33] but some indistinct equations and parameters limit their applications in calculations.…”
Section: Introductionmentioning
confidence: 99%