Výsledky vyhledávání - "Valérie Sciannamea"

Relevance of a prereaction for the in situ NMP of styrene using the C‐Phenyl‐ N ‐ tert ‐butylnitrone/2,2′‐azobis(isobutyronitrile) pair

Autor: Valérie Sciannamea, Christine Jérôme, Jean-Marie Catala, Robert Jérôme, Christophe Detrembleur

Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry. 47:1085-1097

In this article, we compare two routes for carrying out in situ nitroxide-mediated polymerization of styrene using the C-phenyl-N-tert-butylnitrone (PBN)/2,2′-azobis(isobutyronitrile) (AIBN) pair to identify the best one for an optimal control. One

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ef3dde75c2c0416986a77eb91868582
https://doi.org/10.1002/pola.23220

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Joint Theoretical Experimental Investigation of the Electron Spin Resonance Spectra of Nitroxyl Radicals: Application to Intermediates in in Situ Nitroxide Mediated Polymerization (in Situ NMP) of Vinyl Monomers

Autor: Benoît Champagne, Natalia Zarycz, Christophe Detrembleur, Christine Jérôme, Valérie Sciannamea, Edith Botek

Publikováno v: The Journal of Physical Chemistry B. 112:10432-10442

Density functional theory (DFT) calculations have been performed to address the structure of nitroxide intermediates in controlled radical polymerization. In a preliminary step, the reliability of different theoretical methods has been substantiated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd9537dfb93edf7f68460b4e7373eda0
https://doi.org/10.1021/jp803552x

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Controlled radical polymerization of styrene mediated by theC-phenyl-N-tert-butylnitrone/AIBN pair: Kinetics and electron spin resonance analysis

Autor: Christophe Detrembleur, Valérie Sciannamea, Jean-Marie Catala, Robert Jérôme

Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry. 45:1219-1235

Kinetics of the free radical polymerization of styrene at 110 °C has been investigated in the presence of C-phenyl-N-tert-butylnitrone (PBN) and 2,2′-azobis(isobutyronitrile) (AIBN) after prereaction in toluene at 85 °C. The effect of the prereac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ebafb3b0d740de9021c6cd482f89e921
https://doi.org/10.1002/pola.21889

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Ability of nitrones of various structures to control the radical polymerization of styrene mediated by in situ formed nitroxides

Autor: Jean-Marie Catala, Valérie Sciannamea, Ulrich S. Schubert, Robert Jérôme, Christophe Detrembleur, Carlos Guerrero-Sanchez

Publikováno v: Polymer, 46(23), 9632-9641. Elsevier

The ability of several nitrones to control the radical polymerization of styrene at 110 °C has been investigated by high-throughput experimentation. The nitrone/free radical initiator pair dictates the structure of the nitroxide and the alkoxyamine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ccd803af3da677668a3d0ecc74cf245
https://doi.org/10.1016/j.polymer.2005.07.074

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Synthesis of Copolymer Brushes Endowed with Adhesion to Stainless Steel Surfaces and Antibacterial Properties by Controlled Nitroxide-Mediated Radical Polymerization

Autor: Samuel Voccia, Paola Sandra Mercuri, Milena Ignatova, Nadya Markova, Bernard Gilbert, Christine Jérôme, Damien Cossement, Sandrine Lenoir, Rachel Gouttebaron, Moreno Galleni, Valérie Sciannamea, Robert Jérôme

Publikováno v: Langmuir. 20:10718-10726

Novel copolymer brushes have been synthesized by a two-step "grafting from" method that consists of the electrografting of poly(2-phenyl-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethylacrylate) onto stainless steel, followed by the nitroxide-mediated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e457cd63350116a87e6e000d4000592
https://doi.org/10.1021/la048347t

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Grafting of alkoxyamine end-capped (co)polymers onto multi-walled carbon nanotubes

Autor: Xudong Lou, Valérie Sciannamea, Christophe Detrembleur, Christophe Pagnoulle, Robert Jérôme

Publikováno v: Polymer. 45:6097-6102

Multi-walled carbon nanotubes (MWNTs) have been successfully modified by polystyrene, poly(ɛ-caprolactone), and their block copolymers by addition reaction of the alkoxyamine-terminated precursors. Polymer-modified MWNTs are easily dispersed in good

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c4400a815da3473df538d0784fde313
https://doi.org/10.1016/j.polymer.2004.06.050

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Controlled Nitroxide-Mediated Radical Polymerization of Styrene, Styrene/Acrylonitrile Mixtures, and Dienes Using a Nitrone

Autor: Robert Jérôme, Michael Claes, Christophe Detrembleur, Christian Koulic, Maryse Hoebeke, Valérie Sciannamea

Publikováno v: Macromolecules. 35:7214-7223

Radical polymerization of styrene and copolymerization of styrene and acrylonitrile (60/40) are controlled when conducted in the presence of N-tert-butyl-α-isopropylnitrone, which is easily synthesized from cheap reagents. However, for the control t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc0ee470d2f48303c9775c1f96444f2c
https://doi.org/10.1021/ma0201835

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In situ nitroxide-mediated polymerization of styrene promoted by the N-tert-butyl―isopropylnitrone/bpo pair: ESR investigations

Autor: Didier Gigmes, Jean-Louis Clément, Christine Jérôme, Laurent Autissier, Natalia Zarycz, Valérie Sciannamea, Christophe Detrembleur, Jean-Marie Catala, Benoît Champagne, Edith Botek

Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry
Journal of Polymer Science Part A: Polymer Chemistry, Wiley, 2013, 51 (8), pp.1786--1795. ⟨10.1002/pola.26559⟩
Journal of Polymer Science Part A: Polymer Chemistry, 2013, 51 (8), pp.1786--1795. ⟨10.1002/pola.26559⟩

International audience; The styrene polymerization initiated by benzoyl peroxide (BPO) in the presence of N-tert-butyl―isopropylnitrone as nitroxide precursor is well-controlled provided that a prereaction between the nitrone and BPO is carried out

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8442ef9c23391d92d2ea39cb2468c58
https://hal-amu.archives-ouvertes.fr/hal-01460453

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Electron spin resonance spectra of nitroxyl radicals

Autor: Christophe Detrembleur, Valérie Sciannamea, Benoît Champagne, Natalia Zarycz, Edith Botek

Publikováno v: AIP Conference Proceedings.

Hyperfine coupling constants (HFCCs) of nitroxyl radicals were calculated using density functional theory (DFT) to address the structure of nitroxide intermediates in controlled radical polymerization. In a preliminary step, the reliability of differ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9d9f416c280ab0ed8eae6540193aeb1
https://doi.org/10.1063/1.4771825

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