Mechanical properties of PET composites using multi-walled carbon nanotubes 
functionalized by inorganic and itaconic acids

May‐Pat, A.; Avilés, F.; Toro, P.; Yazdani‐Pedram, Mehrdad; Cauich-Rodríguez, Juan Valerio

doi:10.3144/expresspolymlett.2012.11

Cited by 41 publications

(35 citation statements)

References 25 publications

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“…Gupta et al [33] and Meng et al [34] have reported reduction in e u values for PTT and Polyamide6 (PA6) nanocomposites containing treated MWCNTs. Moreover, Pat et al [35] stated that the PET nanocomposites containing treated MWCNTs were extremely brittle outstanding to higher crystallinity of polymer matrix.…”

Section: Tensile Resultsmentioning

confidence: 99%

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: 99%

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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“…However, numerous shortcomings such as low rate of crystallization, long cycle times for injection moulding, low melt strength and low distortion temperature limit its application [1,2]. To meet the practical needs and improve its performance, the addition of inorganic filler into PET matrix has been a research focus, and dramatic enhancements in properties such as their mechanical, gas barrier property and thermal property can be achieved [3][4][5][6][7][8][9][10][11][12][13]. These enhancements result from homogeneous dispersion of nanoparticles in polymer matrix and the interaction between the nanoparticles and PET matrix.…”

Section: Introductionmentioning

confidence: 99%

Rod like attapulgite/poly(ethylene terephthalate) nanocomposites with chemical bonding between the polymer chain and the filler

Chen¹,

Liu²,

Jin³

et al. 2012

Express Polym. Lett.

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IntroductionPoly(ethylene terephthalate) (PET) is a semicrystalline polymer with excellent chemical resistance, thermal stability, and spinnability. Due to its low cost and high performance, PET is in widespread use in our modern life, ranging from textile fibers, films, bottles containers and food packaging materials to engineering plastics, etc. However, numerous shortcomings such as low rate of crystallization, long cycle times for injection moulding, low melt strength and low distortion temperature limit its application [1,2]. To meet the practical needs and improve its performance, the addition of inorganic filler into PET matrix has been a research focus, and dramatic enhancements in properties such as their mechanical, gas barrier property and thermal property can be achieved [3][4][5][6][7][8][9][10][11][12][13]. These enhancements result from homogeneous dispersion of nanoparticles in polymer matrix and the interaction between the nanoparticles and PET matrix. The in situ polymerization technique is particularly attractive, which enables to exercise control over both the polymer architecture and the final structure of the composites. Recently various nanoparticles have been applied in the preparation of PET nanohybrids via in situ polymerization or melt mixing, including layered silicates montmorillonite (MMT) [3][4][5][6], spherical silica [7,8] Abstract. Poly(ethylene terephthalate) (PET) nanocomposites containing rod-like silicate attapulgite (AT) were prepared via in situ polymerization. It is presented that PET chains identical to the matrix have been successfully grafted onto simple organically pre-modified AT nanorods (MAT) surface during the in situ polymerization process. The covalent bonding at the interface was confirmed by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). The content of grafted PET polymer on the surface of MAT was about 26 wt%. This high grafting density greatly improved the dispersion of fillers, interfacial adhesion as well as the significant confinement of the segmental motion of PET, as compared to the nanocomposites of PET/pristine AT (PET/AT). Owing to the unique interfacial structure in PET/MAT composites, their thermal and mechanical properties have been greatly improved. Compared with neat PET, the elastic modulus and the yield strength of PET/MAT were significantly improved by about 39.5 and 36.8%, respectively, by incorporating only 2 wt % MAT. Our work provides a novel route to fabricate advanced PET nanocomposites using rod-like attapulgite as fillers, which has great potential for industrial applications.

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“…Numerous publications can be found on nanocomposites with many other polymers, such as ethylene-vinyl acetate copolymer [102], polyvinylidene fluoride [103], polyolefins [104], acrylonitrile-butadiene-styrene [105], polyphenylene sulfide [106], poly(ethylene terephthalate) (PET) [107], and many more. Even though interactions between polymers and nanotubes are quite different from the projected functionality in membranes, the polymer-nanotube conjunction is a basic starting point showing a glimpse of the potential of hybrid materials.…”

Section: The Use Of Nanotubes In Conjunction With Polymersmentioning

confidence: 99%

The Separation Power of Nanotubes in Membranes: A Review

Bruggen

2012

ISRN Nanotechnology

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Research on mixed matrix membranes in which nanoparticles are used to enhance the membrane's performance in terms of flux, separation, and fouling resistance has boomed in the last years. This review probes on the specific features and benefits of one specific type of nanoparticles with a well-defined cylindrical structure, known as nanotubes. Nanotube structures for potential use in membranes are reviewed. These comprise mainly single-wall carbon nanotubes (SWCNTs) and multiwall carbon nanotubes (MWCNTs), but also other structures and materials, which are less studied for membrane applications, can be used. Important issues related to polymer-nanotube interactions such as dispersion and alignment are outlined, and a categorization is made of the resultant membranes. Applications are reviewed in four different areas, that is, gas separation, water filtration, drug delivery, and fuel cells.

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Mechanical properties of PET composites using multi-walled carbon nanotubes functionalized by inorganic and itaconic acids

Cited by 41 publications

References 25 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)

Rod like attapulgite/poly(ethylene terephthalate) nanocomposites with chemical bonding between the polymer chain and the filler

The Separation Power of Nanotubes in Membranes: A Review

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