Preparation and characterization of Polyvinylbutyral/Graphene Nanocomposite

Hajian, Mortaza; Reisi, Mohammad; Koohmareh, Gholam Ali; Jam, Ali Reza Zanjani

doi:10.1007/s10965-012-9966-6

Cited by 76 publications

(49 citation statements)

References 10 publications

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“…GO consists of two to three graphene layers, an interlayer distance value d = 0.68 nm and the characteristic peak at 2θ = 13°. Both graphite and GO show the peaks in the region attributed to these materials which were reported before by other research groups like Hajian et al . Also, the increase in the interlayer distance demonstrates that the oxidation was carried out successfully, as other authors mentioned .…”

Section: Resultssupporting

confidence: 77%

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Influence of graphene‐based compounds on the mechanical toughness and thermal stability of polypropylene

Castillo

Lozano

García

et al. 2019

J of Applied Polymer Sci

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A study of the improvement of the mechanical and thermal properties of nanocomposites prepared with polypropylene (PP) and different graphene samples [graphene oxide (GO), reduced GO (RGO), and commercial graphene (G)] is presented. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy characterization were applied to the graphene samples. The nanocomposites were characterized by thermogravimetric analysis, XRD, differential scanning calorimetry, transmission electron microscopy (TEM), tensile, and impact resistance tests. PP/RGO nanocomposites showed significant improvement in mechanical and thermal properties. Sample PP/RGO-0.75 resulted in an increment in Young's modulus (51%), tensile strength (24%), and elongation at break (15%). This is attributed to a good dispersion state, a higher crystallinity percentage, and a good interfacial adhesion between PP and RGO. Sample PP/RGO-0.50 exhibited an increase of 197 C in the temperature at which a loss in weight of 5% occurred, compared to that for pure PP. The height of stacked layers calculated by XRD measurements was similar to the value observed by TEM.

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Section: Resultssupporting

confidence: 77%

“…Melt blending is the only practical method to produce graphene nanocomposites because it does not use a high quantity of solvents . Dispersion of graphene in a polymer matrix is the challenge in the development of graphene‐based nanocomposites because of the high tendency to stack together …”

Section: Introductionmentioning

confidence: 99%

Influence of graphene‐based compounds on the mechanical toughness and thermal stability of polypropylene

Castillo

Lozano

García

et al. 2019

J of Applied Polymer Sci

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“…PZT ceramics crystallize in a tetragonal structure (a = b = 4.006 Å, c = 4.128 Å, α = β = γ = 90 deg.) with space group P 4 mm (noncentrosymmetric) and the (0 0 1), (1 0 0), (1 0 1), (1 1 0), (1 1 1), (0 0 2), (2 0 0), (1 0 2), (2 1 0), (1 1 2), (2 1 1), (2 0 2), (2 2 0), (1 0 3), and (3 2 0) crystallographic plane orientations, corresponding to values reported in [14,15]. The XRD pattern of PZT powder corresponds to Pb(Zr 0.52 Ti 0.48 )O 3 with R f factor of 0.31.…”

Section: Resultsmentioning

confidence: 56%

Influence of PZT Coating Thickness and Electrical Pole Alignment on Microresonator Properties

Janušas

Ponelyte

Brunius

et al. 2016

Sensors

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With increasing technical requirements in the design of microresonators, the development of new techniques for lightweight, simple, and inexpensive components becomes relevant. Lead zirconate titanate (PZT) is a powerful tool in the formation of these components, allowing a self-actuation or self-sensing capability. Different fabrication methods lead to the variation of the properties of the device itself. This research paper covers the fabrication of a novel PZT film and the investigations of its chemical, surface, and dynamic properties when film thickness is varied. A screen-printing technique was used for the formation of smooth films of 60 µm, 68 µm, and 25 µm thickness. A custom-made poling technique was applied to enhance the piezoelectric properties of the designed films. However, poling did not change any compositional or surface characteristics of the films; changes were only seen in the electrical ones. The results showed that a thinner poled PZT film having a chemical composition with the highest amount of copper and zirconium led to better electrical characteristics (generated voltage of 3.5 mV).

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“…For example, Amoli et al 30 prepared an electrically conductive adhesive, by using SDS, a stable graphene dispersion had been achieved and the resultant material showed significant electrical conductivity at noticeably low graphene content. Hajian et al 31 prepared polyvinyl butyral/graphene nanocomposite by SDS, the prepared nanocomposites showed good toughness and flexibility. Furthermore, SDS has also been reported to prepare graphene nanocomposites in polyvinyl alcohol, 32 polyurethane 33 and polystyrene 34 matrices.…”

Section: Introductionmentioning

confidence: 99%

Effects of surfactants on the properties of epoxy/graphene nanocomposites

Wei

Saharudin

2018

Journal of Reinforced Plastics and Composites

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Recently, graphene has attracted extensive research interests due to its superior mechanical, electrical and thermal performance. Small loadings of graphene can increase the properties of epoxy significantly. However, because of the large surface area of graphene, it is a challenge to disperse graphene in liquid epoxy. Strong van der Waals force causes reaggregation of graphene in the matrix. As commonly used surfactants, sodium dodecyl sulphate and gum arabic have been used a lot to de-bundle graphene, however, their dispersing efficiencies for graphene in epoxy matrix is unknown. Therefore, to evaluate their dispersing efficiencies, epoxy/graphene nanocomposites had been made and mechanical properties, dynamic mechanical analyzer, thermal gravimetric analysis and scanning electron microscopy images of nanocomposites had been tested. The results show that the properties of nanocomposites had been enhanced largely after using sodium dodecyl sulphate and gum arabic. Sodium dodecyl sulphate shows higher dispersing effective-ness than gum arabic.

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Preparation and characterization of Polyvinylbutyral/Graphene Nanocomposite

Cited by 76 publications

References 10 publications

Influence of graphene‐based compounds on the mechanical toughness and thermal stability of polypropylene

Influence of graphene‐based compounds on the mechanical toughness and thermal stability of polypropylene

Influence of PZT Coating Thickness and Electrical Pole Alignment on Microresonator Properties

Effects of surfactants on the properties of epoxy/graphene nanocomposites

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