Elaboration of EVA–nanoclay systems—characterization, thermal behaviour and fire performance

Duquesne, Sophie; Jama, Charafeddine; Bras, Michel Le; Delobel, René; Récourt, Philippe; Gloaguen, Jean‐Michel

doi:10.1016/s0266-3538(03)00035-6

Cited by 140 publications

(83 citation statements)

References 12 publications

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“…Chiu et al [30] reported that the inclusion of a nano-filler in PP/HDPE enhanced the blend's thermal stability. Similar findings were reported by Duquesne et al [37] and Peeterbroeck et al [38] while investigating EVA/nanoclay systems. Dikobe and Luyt [24] studied PP/EVA/WP blend composites and reported an increase in the thermal stability of the PP/EVA blend in the presence of WP.…”

Section: Thermogravimetric Analysis (Tga)supporting

confidence: 89%

Comparative study of the morphology and properties of PP/LLDPE/wood powder and MAPP/LLDPE/wood powder polymer blend composites

Dikobe¹,

Luyt

2010

Express Polym. Lett.

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Abstract. In this study, polypropylene (PP)/linear low-density polyethylene (LLDPE) and maleic anhydride grafted polypropylene (MAPP)/LLDPE blend systems were comparatively investigated. The blends and composites contained equal amounts of the two polymers, and the compatibility and miscibility between the two polymers were investigated. Composites with 10, 20 and 30 wt% wood powder (WP), but still with equal amounts of the two polymers, were prepared and investigated. The morphologies, as well as mechanical and thermal properties, of the blends and the blend composites were investigated. The MAPP/LLDPE blend and composites showed better properties than the PP/LLDPE blend and composites as a result of the stronger interfacial interaction between MAPP, LLDPE and WP. The SEM and DSC results of the PP/LLDPE/WP blend composites showed that WP located itself more in the LLDPE phase. In the MAPP/LLDPE/WP composites the WP was in contact with both polymers, although it had a greater affinity for MAPP. The TGA results show that the MAPP/LLDPE blend and composites are more thermally stable than the PP/LLDPE blend and composites.

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Section: Thermogravimetric Analysis (Tga)supporting

confidence: 89%

Comparative study of the morphology and properties of PP/LLDPE/wood powder and MAPP/LLDPE/wood powder polymer blend composites

Dikobe¹,

Luyt

2010

Express Polym. Lett.

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“…Several factors can influence ALAMS ability to improve nanoclay dispersion, e.g., structure, density, number of alkyl tails, chain length, packing density, polymeric matrix etc. [27][28][29]. Very often, the effect of each of these factors may be influenced by other co-existing factors.…”

Section: Discussion 41 the Effect Of Alams Typementioning

confidence: 99%

Response surface analysis of structural, mechanical, and permeability properties of polyethylene/Na+-montmorillonite composites, prepared by slurry-fed melt intercalation

Shahabadi¹,

Garmabi²

2012

Express Polym. Lett.

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Abstract. Samples were produced by injecting Na + -montmorillonite (Na + -MMT) slurry into a co-rotating twin-screw extruder. Na + -MMT was modified inside the extruder, in an in-situ process, and blended with the LDPE/LLDPE in melt state. Three different types of alkyl ammonium salt (ALAMS) were used as modifier to study the effect of chemical composition and chain length of ALAMS on the dispersion of nanoparticles. Also, the effect of nanoclay content on structural, mechanical, and permeability properties of the samples was investigated. To translate the data into intelligible trends, response surface method was utilized to analyze the effects of the factors on the results. Moreover, transmission electron microscopy was implemented to observe the dispersion of nanoclay platelets. The results suggested that the chain length of ALAMS dramatically affects its ability to modify nanoclay platelets. What is more, while nanoclay increase deteriorates nanoparticles dispersion, it brings about better mechanical and gas barrier properties. The improvement in the properties was higher than those of nanocomposites prepared by conventional method. By studying the effects of feeding rate on nanoclay dispersion, we proved that unlike conventional melt intercalation, water-assisted melt intercalation is controlled by diffusion rather than shear stress. In the end, we proposed a mechanism for this process.

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“…El Achaby et al 33 also suggested that clay silicates exhibit a better barrier action and their incorporation into the polymer matrix increase the thermal stability. This improvement in the thermal stability can be explained since clay can make difficult the diffusion of the emission of the gaseous degradation products because can act as a mass transport barrier of this volatile product 34,35 . All nanocomposites, in general, present an increase in the Young´s Modulus, as can be seen in Figure 6a.…”

Section: Influence Of Intercalation Methods In Properties Of Clay Andmentioning

confidence: 99%

Influence of intercalation methods in properties of Clay and carbon nanotube and high density polyethylene nanocomposites

et al. 2014

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Elaboration of EVA–nanoclay systems—characterization, thermal behaviour and fire performance

Cited by 140 publications

References 12 publications

Comparative study of the morphology and properties of PP/LLDPE/wood powder and MAPP/LLDPE/wood powder polymer blend composites

Comparative study of the morphology and properties of PP/LLDPE/wood powder and MAPP/LLDPE/wood powder polymer blend composites

Response surface analysis of structural, mechanical, and permeability properties of polyethylene/Na+-montmorillonite composites, prepared by slurry-fed melt intercalation

Influence of intercalation methods in properties of Clay and carbon nanotube and high density polyethylene nanocomposites

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