2015
DOI: 10.3144/expresspolymlett.2015.56
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A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites

Abstract: Abstract. Natural rubber containing graphene and carbon nanotubes (CNTs) composites were prepared by ultrasonicallyassisted latex mixing. Natural rubber filled by both graphene and CNTs show significant enhanced tensile strength, while graphene exhibits a better reinforcing effect than CNTs. Strain-induced crystallization in natural rubber composites during stretching was determined by synchrotron wide-angle X-ray diffraction. With the addition of CNTs or graphene, the crystallization for natural rubber occurs… Show more

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Cited by 38 publications
(36 citation statements)
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“…The ratio of the intensity at the equator (I90°) to the intensity at the meridian (I0°) becomes larger during stretching for both FGS-filled SBR and NR samples indicating that FGS sheets are oriented along the stretching direction, whereas anisotropy is not observed for CB (Figure 5c). A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites was also carried out by Fu et al [55] on composites prepared by ultrasonically-assisted latex mixing. The incorporation of graphene is shown to result in a faster strain-induced crystallization rate and a higher crystallinity compared to CNTs.…”
Section: Tensile Propertiesmentioning
confidence: 99%
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“…The ratio of the intensity at the equator (I90°) to the intensity at the meridian (I0°) becomes larger during stretching for both FGS-filled SBR and NR samples indicating that FGS sheets are oriented along the stretching direction, whereas anisotropy is not observed for CB (Figure 5c). A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites was also carried out by Fu et al [55] on composites prepared by ultrasonically-assisted latex mixing. The incorporation of graphene is shown to result in a faster strain-induced crystallization rate and a higher crystallinity compared to CNTs.…”
Section: Tensile Propertiesmentioning
confidence: 99%
“…In an interesting paper of Scotti et al [56], shape controlled spherical and rod-like silica nanoparticles with different aspect ratios were synthesized by a sol-gel method in order to prepare A comparative investigation on strain induced crystallization for graphene and carbon nanotubes filled natural rubber composites was also carried out by Fu et al [55] on composites prepared by ultrasonically-assisted latex mixing. The incorporation of graphene is shown to result in a faster strain-induced crystallization rate and a higher crystallinity compared to CNTs.…”
Section: Tensile Propertiesmentioning
confidence: 99%
“…The dispersion and interface of the GE in the polymer composites is important and several reports have studied the mechanism on how GE reinforces the composites . In order to have a better understanding of the reinforcing mechanism of rGO–APMEL to rubber, the entanglement‐bound rubber tube (EBT) model was used to analyze the reinforcing effect of GE on NR/rGO–APMEL nanocomposites at a molecular level . The EBT model allows a proper separation of chemical crosslinks and physical constraint contribution to the stress–strain behavior and a reliable determination of crosslink densities .…”
Section: Resultsmentioning
confidence: 99%
“…G c is the elastic modulus corresponding to the crosslink constraint, and G e is entanglement modulus corresponding to the topological tube‐like constrain, which is closely related to the Mooney–Rivlin curves derived from the stress–strain curves by eqs. and σ*=σnormalαα2=Gc+Gef()α f()α=2αnormalβ2αnormalβnormalβ()α2α1,f()normalα=1=1 where σ* is the reduced stress, σ is the nominal stress, α is the extension ratio, and β is an empirical constant which describes the relation between the deformed tube in the stretched state and an undeformed tube corresponding to the equilibrium state, β is generally taken as 1 …”
Section: Resultsmentioning
confidence: 99%
“…6. Storage modulus; loss tangent for NR/NBR filled with 5 phr: Na-Mt; OMt; APT-OMt transfer between the components which leads to a marked increase in storage modulus and lesser damping characteristics due to reduced chain mobility [14]. By increasing temperature molecular movement at the interface of composites which contributes to the value of the damping property (tan δ), tends to increases, also molecular relaxation at high temperature loosens the molecular bonds, so E' value tends to decrease by increasing temperature.…”
Section: Mechanical Propertiesmentioning
confidence: 99%