| People | Locations | Statistics |
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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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Shaver, Michael P.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2024Performance polyamides built on a sustainable carbohydrate corecitations
- 2024Mechanical Properties and Recyclability of Fibre Reinforced Polyester Compositescitations
- 2023Degradable and Reprocessable Resins from a Dioxolanone Cross-Linkercitations
- 2023Understanding poly(ethylene terephthalate) degradation using gas-mediated simulated recyclingcitations
- 2020Mechanical Recycling of Packaging Plastics: A Reviewcitations
- 2018Polymeric hole-transport materials with side-chain redox-active groups for perovskite solar cells with good reproducibilitycitations
- 2018Polymeric hole-transport materials with side-chain redox-active groups for perovskite solar cells with good reproducibilitycitations
- 2018Thermal, optical and structural properties of blocks and blends of PLA and P2HEBcitations
- 2018Functionalizable Stereocontrolled Cyclopolyethers by Ring-Closing Metathesis as Natural Polymer Mimicscitations
- 2018Morphology of Poly(styrene-co-butadiene) Random Copolymer Thin Films and Nanostructures on a Graphite Surfacecitations
- 2017Thermal, structural and degradation properties of an aromatic-aliphatic polyester built through ring-opening polymerisationcitations
- 2017Poly(styrene-co-butadiene) Random Copolymer Thin Films and Nanostructures on a Mica Surface: Morphology and Contact Angles of Nanodropletscitations
- 2017Olefin cross metathesis and ring-closing metathesis in polymer chemistrycitations
- 2016Installing Multiple Functional Groups on Biodegradable Polyesters via Post-Polymerization Olefin Cross-Metathesiscitations
- 2015Aluminum Salen and Salan Polymerization Catalystscitations
- 2014Tuning ligand electronics and peripheral substitution on cobalt salen complexes:Structure and polymerisation activitycitations
- 2014Tuning ligand electronics and peripheral substitution on cobalt salen complexescitations
- 2013Aluminium salophen and salen initiators in the ring-opening polymerisation of rac-lactide and rac-β-butyrolactone::Electronic effects on stereoselectivity and polymerisation ratescitations
- 2013Poly(lactic acid) polymer stars built from early generation dendritic polyolscitations
- 2013Tacticity-induced changes in the micellization and degradation properties of poly(lactic acid)-block-poly(ethylene glycol) copolymerscitations
- 2013Aluminium salophen and salen initiators in the ring-opening polymerisation of rac-lactide and rac-β-butyrolactone:citations
- 2012Control of thermal properties and hydrolytic degradation in poly(lactic acid) polymer stars through control of isospecificity of polymer armscitations
- 2012Anilido-aldimine aluminum complexes:citations
- 2012Controlled radical polymerization mediated by Amine-Bis(phenolate) Iron(III) complexescitations
- 2012Anilido-aldimine aluminum complexes::Synthesis, characterization and lactide polymerizationcitations
- 2010Tacticity control in the synthesis of poly(lactic acid) polymer stars with dipentaerythritol corescitations
- 20084.4,5,5-tetraphenyl-1,3,2-dioxaborolanecitations
- 2000Trans alkenylpyridine and alkenylamine complexes of platinum
Places of action
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article
Poly(lactic acid) polymer stars built from early generation dendritic polyols
Abstract
A family of polymer stars has been prepared from early generation dendritic cores with four, six, and eight arms. Four dendritic cores were prepared from the sequential reaction of a multifunctional alcohol with a protected anhydride, followed by deprotection to afford two or three new alcohol functionalities per reactive site. These cores were used as initiators for the tin-catalyzed ring-opening polymerization of L-lactide and rac-lactide to afford isotactic and atactic degradable stars, respectively. Two series of stars were prepared for each monomer, either maintaining total molecular weight or number of monomer units per arm. The polymers were characterized by NMR spectroscopy, light-scattering gel-permeation chromatography, differential scanning calorimetry, and thermogravimetric analysis. Our results support previous work that suggests that the length of the arms dictates thermal properties rather than the total molecular weight of the star. Little effect was noted between aromatic and aliphatic cores, presumably due to the flexibility of the rest of the core molecule. We have shown that early generation dendrimers can serve as excellent core structures for building core-first polymer stars via the ring-opening of cyclic esters.