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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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Monge, Sophie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Synthesis of original polymeric hydroperoxides as innovative oxidizing agents for self-cure dental materials
- 2016Synthesis of surfactants by polymerization of glycerol (meth)acrylates with fatty acids derivatives as chain endscitations
- 2014Single-ion conductor nanocomposite organic–inorganic hybrid membranes for lithium batteriescitations
- 2012How to modulate chemical structure of polyoxazolines by appropriate functionalizationcitations
- 2008Synthesis of triblock copolymers from glycolysed poly(ethylene terephthalate) by living radical polymerizationcitations
- 2007Synthesis and Characterisation of Organogels from ABA Triblock Copolymerscitations
- 2007Synthesis and Characterisation of Organogels from ABA Triblock Copolymerscitations
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article
Synthesis and Characterisation of Organogels from ABA Triblock Copolymers
Abstract
<jats:title>Abstract</jats:title><jats:p>Polystyrene‐<jats:italic>block</jats:italic>‐poly(2‐ethylhexanyl acrylate)‐<jats:italic>block</jats:italic>‐polystyrene triblock copolymers with different molar masses were synthesised by atom transfer radical polymerisation which led to the formation of elastic gels in paraffin oil. Copolymers with control over molecular weight and low polydispersity were first obtained with different midblock lengths (10 000, 20 000, 60 000 g · mol<jats:sup>−1</jats:sup>). In paraffin oil, some triblock copolymers led to a gelation process due to appropriate chain length and concentration. We assumed that polystyrene endblocks aggregated into micelles whereas poly(2‐ethylhexanyl acrylate) midblocks formed loops or bridges between different micelles leading to the formation of a physical network of interconnected polymer chains. Rheological measurements proved that time and slow controlled cooling improved the elastic properties with the creation of new interactions in the network.</jats:p><jats:p><jats:boxed-text content-type="graphic" position="anchor"><jats:graphic xmlns:xlink="http://www.w3.org/1999/xlink" mimetype="image/gif" position="anchor" specific-use="enlarged-web-image" xlink:href="graphic/mgra001.gif"><jats:alt-text>magnified image</jats:alt-text></jats:graphic></jats:boxed-text> </jats:p>