| People | Locations | Statistics |
|---|---|---|
| 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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Price, Gareth J.
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023The effect of polymer end-group on the formation of styrene – maleic acid lipid particles (SMALPs)citations
- 2018Comparative study of the modification of multi-wall carbon nanotubes by gamma irradiation and sonochemically assisted acid etchingcitations
- 2018Ultrasound Promoted Synthesis and Properties of Chitosan Nanocomposites Containing Carbon Nanotubes and Silver Nanoparticlescitations
- 2018Sonochemical Modification of Carbon Nanotubes for Enhanced Nanocomposite Performancecitations
- 2017Preparation, morphology and sonication time dependence of silver nanoparticles in amphiphilic block copolymers of PEO with polystyrene or PMMAcitations
- 2016Eco-friendly synthesis and catalytic application of chitosan/gold/carbon nanotube nanocomposite filmscitations
- 2014Preparation of gold nanoparticles in polystyrene–PEO block copolymerscitations
- 2014Synergistic effects of combining ultrasound with the Fenton process in the degradation of Reactive Blue 19citations
- 2014Sonochemical characterisation of ultrasonic dental descalerscitations
- 2011Effects of Temperature and Polymer Composition upon the Aqueous Solution Properties of Comblike Linear Poly(ethylene imine)/Poly(2-ethyl-2-oxazoline)-Based Polymerscitations
- 2011Deposition of poly(ethyleneimine)/poly(2-ethyl-2-oxazoline) based comb-branched polymers onto polypropylene nonwoven fabric using the layer-by-layer technique. selected properties of the modified materialscitations
- 2004Surface modification of calcium carbonates studied by inverse gas chromatography and the effect on mechanical properties of filled polypropylenecitations
- 2004Investigation of radical intermediates in polymer sonochemistrycitations
- 2004Chromatographic estimation of filler surface energies and correlation with photodegradation of kaolin filled polyethylenecitations
- 2004Correlation of mechanical properties of clay filled polyamide mouldings with chromatographically measured surface energiescitations
Places of action
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article
Investigation of radical intermediates in polymer sonochemistry
Abstract
There is current interest in using high-intensity ultrasound to perform a range of chemical transformations, including polymerisation reactions. In this work, the technique of radical trapping, primarily using DPPH, has been used to measure radical production rates in a range of monomer and related systems when exposed to high intensity ultrasound. It has been shown that realistic rates of production can be obtained around room temperature equivalent to thermal decomposition rates > 100degreesC, making sonication a viable method for initiating polymerisation. Rates of initiation in a two-phase organic in water system have also been measured. Some of the initiating species have been identified recording the ESR spectra of adducts with spin traps, although further analysis is needed before the complete range of radicals produced can be identified.