Development of a dispersion process for carbon nanotubes in an epoxy matrix and the resulting electrical properties

Sandler, Jan K.W.; Shaffer, Milo S. P.; Prasse, Torsten; Bauhofer, W.; Schulte, Karl; Windle, Alan H.

doi:10.1016/s0032-3861(99)00166-4

Cited by 1,358 publications

(791 citation statements)

References 8 publications

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“…This is consistent with previous studies, reporting that ultrasonication of the resin and nanotubes in the solvent produces poor dispersion of the nanotubes in the final composite [8,9]. Following our new procedure, the SWNT/resin mixtures were compounded in a MicroCompounder, compounded with the hardener and then cured to produce composites with uniform dispersion of nanotubes in the epoxy matrix.…”

Section: Morphology Of the Compositessupporting

confidence: 88%

“…A number of researchers have developed techniques to improve the dispersion of the nanotubes in epoxy including ultrasonication [8,9], addition of surfactants [10] and functionalization [11][12][13]. Addition of surfactants and functionalization of the nanotubes prove to be useful in improving the dispersion of nanotubes in the epoxy matrix.…”

Section: Introductionmentioning

confidence: 99%

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Increased flexural modulus and strength in SWNT/epoxy composites by a new fabrication method

Moniruzzaman

Romero

et al. 2006

Polymer

146

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A new method for preparing SWNT/epoxy nanocomposites has been developed which involves high shear mixing of the epoxy resin and SWNT and heat treating the mixture prior to introducing the hardener. The glass transition temperature of the epoxy resin is unaffected by the presence of nanotubes. An improvement of 17% in flexural modulus and 10% in flexural strength has been achieved at 0.05 wt% of nanotubes. These improvements in flexural modulus and strength are attributed to good dispersion of the nanotubes and grafting of epoxy resin to SWNT by an esterification reaction. AbstractA new method for preparing SWNT/epoxy nanocomposites has been developed which involves high shear mixing of the epoxy resin and SWNT and heat treating the mixture prior to introducing the hardener. The glass transition temperature of the epoxy resin is unaffected by the presence of nanotubes. An improvement of 17% in flexural modulus and 10% in flexural strength has been achieved at 0.05 wt% of nanotubes. These improvements in flexural modulus and strength are attributed to good dispersion of the nanotubes and grafting of epoxy resin to SWNT by an esterification reaction.

show abstract

Section: Morphology Of the Compositessupporting

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Increased flexural modulus and strength in SWNT/epoxy composites by a new fabrication method

Moniruzzaman

Romero

et al. 2006

Polymer

146

View full text Add to dashboard Cite

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“…Many polymers have been applied in the CNTs/polymer nanocomposites for various target applications. The introduction of the CNTs into a polymer matrix has improved the electrical conductivity as well as the mechanical properties of the polymer matrix [11][12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Epoxy resin nanocomposites reinforced with ionized liquid stabilized carbon nanotubes

Wang

Yang

Wang

et al. 2011

International Journal of Smart and Nano Materials

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Epoxy resin nanocomposites reinforced with three different ionic liquid functionalized carbon nanotubes (f-CNTs) were fabricated by an in situ polymerization method. The influence of the anions on the curing process was studied through differential scanning calorimetry (DSC) and normalized Fourier transform infrared (FTIR) spectroscopy. The composition of the nanocomposites was analyzed by X-ray photoelectron spectroscopy. Two different mechanisms are proposed to explain the curing process of the neat epoxy and its composites. The electric conductivity and mechanical properties of the nanocomposites are also reported. The tensile strength was increased dramatically due to the insertion of f-CNTs. Scanning electron microsopy fracture surface analysis indicates a strong interfacial bonding between the carbon nanotubes and the polymer matrix.

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“…Apart from mechanical reinforcement [2,3], one of the key interests is to develop conductive polymer composites [4][5][6] preferably at low concentration of CNT utilizing their high aspect ratio (L/D) for numerous applications, which include antistatic devices, capacitors and materials for EMI shielding. However, with few exceptions [7][8][9] uniform dispersion of CNT in polymer matrix is restricted due to aggregate formation irrespective of the techniques employed for composite preparation.…”

Section: Introductionmentioning

confidence: 99%

Control of multiwall carbon nanotubes dispersion in polyamide6 matrix: An assessment through electrical conductivity

Kodgire

Bhattacharyya

Bose

et al. 2006

Chemical Physics Letters

178

142

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Development of a dispersion process for carbon nanotubes in an epoxy matrix and the resulting electrical properties

Cited by 1,358 publications

References 8 publications

Increased flexural modulus and strength in SWNT/epoxy composites by a new fabrication method

Increased flexural modulus and strength in SWNT/epoxy composites by a new fabrication method

Epoxy resin nanocomposites reinforced with ionized liquid stabilized carbon nanotubes

Control of multiwall carbon nanotubes dispersion in polyamide6 matrix: An assessment through electrical conductivity

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