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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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Mcnally, Tony
Queen's University Belfast
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (52/52 displayed)
- 2024Self-reinforced biodegradable thermoplastic composites
- 2024Unveiling the significance of graphene nanoplatelet (GNP) localization in tuning the performance of PP/HDPE blendscitations
- 2024Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) self-reinforced composites via solvent-induced interfiber welding of nanofibers
- 2024Graphene nanoplatelet induced microphase separation in poly(ether-block-amide)s
- 2024Poly(3-Hydroxybutyrate- co -3-Hydroxyvalerate) self-reinforced composites via solvent-induced interfiber welding of nanofiberscitations
- 2024Silane functionalization of graphene nanoplatelets
- 2023Microphase separation assisted reduction in the percolation threshold of MWCNT/block polymer compositescitations
- 2022Electron beam-mediated cross-linking of blown film-extruded biodegradable PGA/PBAT blends toward high toughness and low oxygen permeationcitations
- 2022Control over microphase separation and dielectric properties via para-fluoro thiol click reactioncitations
- 2021Fabrication and characterization of composites of a perovskite and polymers with high dielectric permittivitycitations
- 2020Crystallisation behaviour of composites of HDPE and MWCNTs: The effect of nanotube dispersion, orientation and polymer deformationcitations
- 2019Solvothermal synthesis of graphene oxide and its composites with poly(ε-caprolactone)citations
- 2019Electrical dual-percolation in MWCNTs/SBS/PVDF based thermoplastic elastomer (TPE) composites and the effect of mechanical stretchingcitations
- 2018Polyolefin–polar block copolymers from versatile new macromonomerscitations
- 2018Correlation between MWCNT aspect ratio and the mechanical properties of composites of PMMA and MWCNTscitations
- 2018Data for Polyolefin–polar block copolymers from versatile new macromonomers
- 2018Intrinsically Tuning the Electromechanical Properties of Elastomeric Dielectricscitations
- 2018Intrinsically Tuning the Electromechanical Properties of Elastomeric Dielectrics:A Chemistry Perspectivecitations
- 2018Intrinsic tuning of poly (styrene-butadiene-styrene) (SBS) based self-healing dielectric elastomer actuators with enhanced electromechanical propertiescitations
- 2017On the phase affinity of multi-walled carbon nanotubes in PMMA:LDPE immiscible polymer blends.citations
- 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
- 2016Functionalisation of MWCNTs with poly(lauryl acrylate) polymerised by Cu(0)-mediated and RAFT methodscitations
- 2016Effect of dual functional ionic liquids on the thermal degradation of poly(vinyl chloride)citations
- 2016Effect of dual functional ionic liquids on the thermal degradation of poly(vinyl chloride)citations
- 2016Structure evolution in poly(ethylene terephthalate) (PET) - Multi-walled carbon nanotube (MWCNT) composite films during in-situ uniaxial deformation
- 2015Electrical conduction and rheological behaviour of composites of poly(epsilon-caprolactone) and MWCNTscitations
- 2015Characteristics of starch-based films with different amylose contents plasticised by 1-ethyl-3-methylimidazolium acetatecitations
- 2013Quasi-solid state uniaxial and biaxial deformation of PET/MWCNT composites structural evolution, electrical and mechanical propertiescitations
- 2012Melt-compounded nanocomposites of titanium dioxide atomic-layer-deposition-coated polyamide and polystyrene powderscitations
- 2012Effect of MWCNT alignment on mechanical and self-monitoring properties of extruded PET-MWCNT nanocomposites
- 2011The effect of temperature and strain rate on the deformation behaviour, structure development and properties of biaxially stretched PET-clay nanocompositescitations
- 2011Thermal study of selectively plated nickel sulfamate coatingscitations
- 2011Polymer–carbon nanotube compositescitations
- 2011Dual functional ionic liquids as plasticisers and antimicrobial agents for medical polymerscitations
- 2011Quantitative characterization of clay dispersion in polymer-clay nanocompositescitations
- 2011Influence of Screw Speed on Electrical and Rheological Percolation of Melt-Mixed High-Impact Polystyrene/MWCNT Nanocompositescitations
- 2011The effect of temperature and strain rate on the deformation behaviour, structure development and properties of biaxially stretched PET-clay nanocomposites.citations
- 2010Quantitative characterization of clay dispersion in polypropylene-clay nanocomposites by combined transmission electron microscopy and optical microscopy
- 2010Quantitative characterization of clay dispersion in polypropylene-clay nanocomposites by combined transmission electron microscopy and optical microscopycitations
- 2010Electrical and rheological percolation of PMMA/MWCNT nanocomposites as a function of CNT geometry and functionalitycitations
- 2010Incorporation of multiwalled carbon nanotubes to acrylic based bone cements: Effects on mechanical and thermal propertiescitations
- 2010Structure-property relationships in biaxially deformed polypropylene nanocompositescitations
- 2010Influence of multiwall carbon nanotube functionality and loading on mechanical properties of PMMA/MWCNT bone cementscitations
- 2009Biaxial deformation behavior and mechanical properties of a polypropylene/clay nanocompositecitations
- 2009Evolution of Clay Morphology in Polypropylene/Montmorillonite Nanocomposites upon Equi-biaxial Stretching: A Solid-State NMR and TEM Approachcitations
- 2009Characterisation of melt-processed poly(ethylene terephthalate)/syntheticmica nanocomposite sheet and its biaxial deformation behaviourcitations
- 2009Paracetamol-loaded poly(ε-caprolactone) layered silicate nanocompositescitations
- 2008Performance enhancement of polymer nanocomposites via multiscale modelling of processing and propertiescitations
- 2008Recycled carbon fiber filled polyethylene compositescitations
- 2003Polystyrene and asphaltene micelles within blends with a bitumen of an SBS block copolymer and styrene and butadiene homopolymerscitations
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article
Structure-property relationships in biaxially deformed polypropylene nanocomposites
Abstract
Semi-solid forming processes such as thermoforming and injection blow moulding are used to make much of today’s packaging. As for most packaging there is a drive to reduce product weight and improve properties such as barrier performance. Polymer nanocomposites offer the possibility of increased modulus (and hence potential product light weighting) as well as improved barrier properties and are the subject of much research attention. In this particular study, polypropylene–clay nanocomposite sheets produced via biaxial deformation are investigated and the structure of the nanocomposites is quantitatively determined in order to gain a better understanding of the influence of the composite structure on mechanical properties. Compression moulded sheets of polypropylene and polypropylene/Cloisite 15A nanocomposite (5 wt.%) were biaxially stretched to different stretching ratios, and then the structure of the nanocomposite was examined using XRD and TEM techniques. Different stretching ratios produced different degrees of exfoliation and orientation of the clay tactoids. The sheet properties were then investigated using DSC, DMTA, and tensile tests .It was found that regardless of the degree of exfoliation or orientation, the addition of clay has no effect on percentage crystallinity or melting temperature, but it has an effect on the crystallization temperature and on the crystal size distribution. DMTA and tensile tests show that both the degree of exfoliation and the degree of orientation positively correlate with the dynamic mechanical properties and the tensile properties of the sheet.