Preparation and Characterization of Linear Low Density Polyethylene/Carbon Nanotube Nanocomposites

Aalaie, Jamal; Rahmatpour, Ali; Maghami, S.

doi:10.1080/00222340701389100

Cited by 61 publications

(54 citation statements)

References 29 publications

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“…This reduction is believed to be due to the failure initiated at the CNTs aggregates within the nanocomposites that results in lower strains and bulk stresses at failure. Such decline is usually attributed to the agglomeration of CNTs in the polymer matrix, as reported by Aalaei et al [30] who reported a 50 % reduction in r u for PP/MWCNTs nanocomposites at 5 wt% CNTs. In contrast, Santoro et al [19] observed improvements in both tensile strength and elastic modulus of PET/A-MWCNT nanocomposites by 26 and 25 %, respectively, at 0.25 wt% loading of CNTs.…”

Section: Tensile Resultsmentioning

confidence: 80%

Impact of carbon nanotubes addition on electrical, thermal, morphological, and tensile properties of poly (ethylene terephthalate)

Alshammari

Wilkinson

2016

Appl Petrochem Res

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In this study, multi-walled carbon nanotubes (MWCNTs) were incorporated into poly (ethylene terephthalate) (PET) matrix in their as-received (A-MWCNTs) and treated (T-MWCNTs) forms. Melt-compounding method was used for the preparation of these carbon nanotubes (CNTs)-reinforced PET composites. The electrical conductivity, thermal stability, morphological, and tensile properties were investigated. For testing and characterization, impedance spectroscopy, thermo-gravimetric analysis, scanning electron microscopy, transmission electron microscopy, Fourier-transform infrared spectroscopy and tensile testing were utilized. The results demonstrates that an incorporation of *0.25 wt% A-MWCNTs, an electrically conductive polymer nanocomposite (*0.2 S/m), was formed with a low percolation threshold (*0.33 wt%). In contrast, at the same loading of T-MWCNTs or even up 2 wt% did not yield conductive polymer. Presumably, such behavior is attributed to the acid treatment that disrupted the inherent electrical conductivity of the CNTs and also reduced their aspect ratio. Nevertheless, T-MWCNTs showed a better dispersion and distribution into the PET matrix than that of A-MWCNTs counterpart. Moreover, an improved tensile behavior was observed for T-MWCNTs incorporated composites than that of A-MWCNTs counterpart. Improved thermal stability was observed for PET/ A-MWCNTs in both the air and nitrogen atmospheres. Whereas, PET/T-MWCNTs exhibited the highest thermal stability in all samples in nitrogen atmosphere. However, poor thermal response was seen in air atmosphere.

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Section: Tensile Resultsmentioning

confidence: 80%

Impact of carbon nanotubes addition on electrical, thermal, morphological, and tensile properties of poly (ethylene terephthalate)

Alshammari

Wilkinson

2016

Appl Petrochem Res

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“…where ∆H * f is the heat of fusion for semicrystalline LDPE and ∆H o f is the heat of fusion for 100% crystallline (276 J/g) (Aalaie et al 2007). …”

Section: Differential Scanning Calorimeter (Dsc)mentioning

confidence: 99%

The Effect of Epoxidized Natural Rubber (ENR 50) as a Compatibilizer on Spear Grass Filled Low Density Polyethylene/ Soya Spent Powder

Sam¹,

Hani²,

Ismail³

2015

JSM

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“…The dispersion states of the carbon nanotubes involve complicated phenomena that are affected by at least two competitive interactions: the strong self-interaction of carbon nanotube due to van der Waals attraction and the interaction between carbon nanotube filaments and the dispersion medium [15]. These forces give rise to the formation of aggregates, which in turn make it difficult the CNT dispersion in organic solvents and polymers [16]. Therefore, the manufacture of carbon nanotubes with good dispersion and stability has been a challenging and great labor-intensive task [17,18].…”

Section: Introductionmentioning

confidence: 99%

Carbon nanotube functionalized with dodecylamine for the effective dispersion in solvents

Ferreira

Francisco

Menezes

et al. 2015

Applied Surface Science

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Preparation and Characterization of Linear Low Density Polyethylene/Carbon Nanotube Nanocomposites

Cited by 61 publications

References 29 publications

Impact of carbon nanotubes addition on electrical, thermal, morphological, and tensile properties of poly (ethylene terephthalate)

Impact of carbon nanotubes addition on electrical, thermal, morphological, and tensile properties of poly (ethylene terephthalate)

The Effect of Epoxidized Natural Rubber (ENR 50) as a Compatibilizer on Spear Grass Filled Low Density Polyethylene/ Soya Spent Powder

Carbon nanotube functionalized with dodecylamine for the effective dispersion in solvents

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