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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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Macko, Tibor
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Critical conditions for liquid chromatography of statistical polyolefins: Evaluation of diene distribution in EPDM terpolymerscitations
- 2021Temperature gradient interaction chromatography of linear polyethylene and isotactic polypropylenecitations
- 2019Porous graphite as platform for the separation and characterization of synthetic polymers - an overviewcitations
- 2018Separation of branched Poly(bisphenol A carbonate) structures by solvent gradient at near-critical conditions and two-dimensional liquid chromatographycitations
- 2015Characterization of the chemical composition distribution of ethylene/1-alkene copolymers with HPLC and CRYSTAF-comparison of resultscitations
- 2015In situ compatibilisation of alkenyl-terminated polymer blends using cross metathesiscitations
- 2013Recent advances in high-temperature fractionation of polyolefinscitations
- 2012Random and block copolymers based on 4-methyl-1-pentene and 1-pentenecitations
- 2012Controlled synthesis of functional copolymers with blocky architectures via carbene polymerizationcitations
- 2004Adsorption of Polypropylene and Polyethylene on Liquid Chromatographic Column Packingscitations
Places of action
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article
In situ compatibilisation of alkenyl-terminated polymer blends using cross metathesis
Abstract
Several compatibilised polyolefin-based blends have been obtained via rather simple and robust chemistry: olefin cross metathesis using Grubbs' second-generation catalyst (G2) of alkenyl-terminated macromolecules of different nature. The viability of the concept was first demonstrated for low molecular weight polyolefin macromolecules before being extended to higher molecular weight polymers, including polar ones such as poly(3-caprolactone) (PCL), poly(pentadecalactone) (PPDL) and poly(methylmethacrylate) (PMMA). When taking all the possible cross metathesis reactions into account, a statistical distribution of homopolymers and diblock copolymers is likely to be formed. While clear macrophase separation is visible in the uncompatibilised blends of macromolecules, it is absent for the in situ compatibilised products, as was confirmed by optical microscopy. It was demonstrated that even small amounts of diblock copolymers can effectively compatibilise the two phases. All materials were analysed by HT SEC, DSC, HT HPLC and optical microscopy. Such a proof of principle indicates that using cross metathesis on a large library of macromolecules might be a versatile "synthetic handle" to reach a variety of in situ compatibilised blends.