| 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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Spangenberg, Arnaud
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Surface Modification of 3D‐Printed Micro‐ and Macro‐Structures via In Situ Nitroxide‐Mediated Radical Photopolymerizationcitations
- 2023Customizable and Reconfigurable Surface Properties of Printed Micro‐objects by 3D Direct Laser Writing via Nitroxide Mediated Photopolymerizationcitations
- 2023Customizable and Reconfigurable Surface Properties of Printed Micro‐objects by 3D Direct Laser Writing via Nitroxide Mediated Photopolymerizationcitations
- 2023Surface Modification of 3D‐Printed Micro‐ and Macro‐Structures via In Situ Nitroxide‐Mediated Radical Photopolymerizationcitations
- 2023Very High-Aspect-Ratio Polymeric Micropillars Made by Two-Photon Polymerizationcitations
- 2022Investigation of two-photon polymerized microstructures using fluorescence lifetime measurementscitations
- 2022On‐Demand Editing of Surface Properties of Microstructures Made by 3D Direct Laser Writing via Photo‐Mediated RAFT Polymerizationcitations
- 2022On‐Demand Editing of Surface Properties of Microstructures Made by 3D Direct Laser Writing via Photo‐Mediated RAFT Polymerizationcitations
- 2021Tuning nanomechanical properties of microstructures made by 3D direct laser writingcitations
- 2021Water‐Soluble Photoinitiators from Dimethylamino‐Substituted Monoacylphosphine Oxide for Hydrogel and Latex Preparationcitations
- 2020Laser direct writing of arbitrary complex polymer microstructures by nitroxide-mediated photopolymerizationcitations
- 2018Direct Laser Writing of Crystallized TiO 2 and TiO 2 /Carbon Microstructures with Tunable Conductive Propertiescitations
- 20163D molecularly imprinted polymer sensors synthesized by 2-photon stereolithography
- 2016Rapid Prototyping of Chemical Microsensors Based on Molecularly Imprinted Polymers Synthesized by Two-Photon Stereolithographycitations
- 2012Enhancement of Two-Photon Initiating Efficiency of a 4,4'-Diaminostyryl-2,2'-bipyridine Derivative Promoted by Complexation with Silver Ionscitations
- 2011Near-infrared photopolymerization: Initiation process assisted by self-quenching and triplet-triplet annihilation of excited cyanine dyescitations
- 2011Orienting the Demixion of a Diblock-copolymer Using 193 nm Interferometric Lithography for the Controlled Deposition of Nanoparticlescitations
Places of action
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article
Water‐Soluble Photoinitiators from Dimethylamino‐Substituted Monoacylphosphine Oxide for Hydrogel and Latex Preparation
Abstract
<jats:title>Abstract</jats:title><jats:p>In order to respond to the growing demand for radiation‐curable waterborne products like hydrogels or inks, there is a need for water‐soluble radical photoinitiators exhibiting absorption in the near UV to visible range. Herein the synthesis of a novel type‐I diphenylphosphine oxide photoinitiator bearing a 2,6‐dimethyl‐4‐dimethylaminobenzoyl group is described. The presence of a tertiary amino group in the para position of the benzoyl group results in an increased absorption in the visible range and its facile conversion into water‐soluble derivatives after a subsequent protonation or quaternization reaction. Quaternization with methyl triflate (MeOTf) yields a water‐soluble monoacylphosphine oxide compound displaying a quaternary ammonium group N(CH<jats:sub>3</jats:sub>)<jats:sub>3</jats:sub><jats:bold><jats:sup>+</jats:sup></jats:bold> OTf<jats:sup>−</jats:sup>. The main characteristics are water‐solubility, shelf‐stability, absorption in near‐UV range, low cytotoxicity, and efficient <jats:italic>α</jats:italic>‐scission as evidenced by steady‐state photolysis experiments. Its photopolymerization efficiency has been evaluated by real‐time Fourier transform infrared spectroscopy at 385 and 420 nm using an aqueous solution of poly(ethylene glycol) acrylate. The polymerization rate is comparable to that obtained with the conventional water‐soluble monoacylphosphine oxide TPO‐Li. Using this new photoinitiator, 3D‐printed hydrogels, and aqueous polymer dispersions can be prepared.</jats:p>