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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Heeley, Ellen L.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024High ferroelectric performance of poly (vinylidene difluoride-co-hexafluoropropylene) - based membranes enabled by electrospinning and multilayer lamination
- 2022Oligomeric Curing Activators Enable Conventional Sulfur-Vulcanized Rubbers to Self-Healcitations
- 2020Crystallisation behaviour of composites of HDPE and MWCNTs: The effect of nanotube dispersion, orientation and polymer deformationcitations
- 2019Self-assembly of fluoride-encapsulated polyhedral oligomeric silsesquioxane (POSS) nanocrystalscitations
- 2018Stress-oscillation behaviour of semi-crystalline polymers: the case of poly(butylene succinate)citations
- 2018An investigation into the crystalline morphology transitions in poly-L-lactic acid (PLLA) under uniaxial deformation in the quasi-solid-state regimecitations
- 2018An investigation into the crystalline morphology transitions in poly-L- lactic acid (PLLA) under uniaxial deformation in the quasi-solid-state regimecitations
- 2017Confirmation of a Nanohybrid Shish-Kebab (NHSK) Structure in Composites of PET and MWCNTscitations
- 2017The formation of a nanohybrid shish-kebab (NHSK) structure in melt-processed composites of poly (ethylene terephthalate) (PET) and multi-walled carbon nanotubes (MWCNTs)citations
- 2016Structure evolution in poly(ethylene terephthalate) (PET) - Multi-walled carbon nanotube (MWCNT) composite films during <i>in-situ</i> uniaxial deformationcitations
- 2016Structure evolution in poly(ethylene terephthalate) (PET) - Multi-walled carbon nanotube (MWCNT) composite films during in-situ uniaxial deformation
- 2015Crystallization and morphology development in polyethylene-octakis(n-octadecyldimethylsiloxy)octasilsesquioxane nancomposite blends.citations
- 2014Morphology and crystallization kinetics of polyethylene/long alkyl-chain substituted Polyhedral Oligomeric Silsesquioxanes (POSS) nanocomposite blends: a SAXS/WAXS studycitations
- 2013Effect of processing parameters on the morphology development during extrusion of polyethylene tape: an in-line Small-Angle X-ray Scattering (SAXS) studycitations
- 2005Polymer processing: Using synchrotron radiation to follow structure development in commercial and novel polymer materialscitations
- 2003Are metastable, precrystallisation, density-fluctuations a universal phenomena?citations
- 2003Early stages of crystallization in Isotactic Polypropylenecitations
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article
Crystallisation behaviour of composites of HDPE and MWCNTs: The effect of nanotube dispersion, orientation and polymer deformation
Abstract
Multi-walled carbon nanotubes (MWCNTs) were readily dispersed and distributed in the high density polyethylene (HDPE) matrix and a very low (<0.3 wt%, 0.17 vol%) rheological percolation threshold obtained. The polymer is seen to coat the MWCNTs, which act as a nucleating agent and induce an oriented nanohybrid shish-kebab (NHSK) crystalline structure, in part an artefact of the injection moulding process. The elastic modulus and yield stress of HDPE increased on addition, but the polymer strain at break increased sharply below percolation before decreasing again above percolation. Addition of MWCNTs, above the percolation threshold, hindered orientation of the polymer chains such that failure occurred before necking during tensile testing, the inclusion of MWCNTs altered the uniaxial deformation behaviour of HDPE. SAXS/WAXS studies on samples post uniaxial drawing revealed that the HDPE and composites of HDPE and MWCNTs developed a highly oriented sheared herringbone lamellar structure. The drawing process also caused surface cavitation and voiding in the composites.