| 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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Tenhu, Heikki
University of Helsinki
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (35/35 displayed)
- 2024Clay Composites by In Situ Polymerization of Ionic Liquid-Based Dispersions
- 2023Clay Composites by In Situ Polymerization of Ionic Liquid-Based Dispersions
- 2022Well-dispersed clay in photopolymerized poly(ionic liquid) matrixcitations
- 2020Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration techniquecitations
- 2018Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration techniquecitations
- 2017Water-Dispersible Silica-Polyelectrolyte Nanocomposites Prepared via Acid-Triggered Polycondensation of Silicic Acid and Directed by Polycationscitations
- 2016Rheological properties of thermoresponsive nanocomposite hydrogelscitations
- 2016AuNP-Polymeric Ionic Liquid Composite Multicatalytic Nanoreactors for One-Pot Cascade Reactionscitations
- 2016Water-dispersible silica-polyelectrolyte nanocomposites prepared via acid-triggered polycondensation of silicic acid and directed by polycations.citations
- 2016Water-Dispersible Silica-Polyelectrolyte Nanocomposites Prepared via Acid-Triggered Polycondensation of Silicic Acid and Directed by Polycationscitations
- 2016AuNP−polymeric ionic liquid composite multicatalytic nanoreactors for one-pot cascade reactionscitations
- 2013pH dependent polymer surfactants for hindering BSA adsorption to oil-water interface
- 2013Thermoresponsiveness of PDMAEMA. Electrostatic and stereochemical effectscitations
- 2013Imidazolium-Based Poly(ionic liquid)s as New Alternatives for CO2 Capture.citations
- 2012Polymer-Modulated Optical Properties of Gold Solscitations
- 2012Polymer-Modulated Optical Properties of Gold Solscitations
- 2012IR-sintering of ink-jet printed metal-nanoparticles on papercitations
- 2012Screening of the effect of biocidal agents released from poly (acrylic acid) matrices on mould growthcitations
- 2012Crystal morphology modification by the addition of tailor-made stereocontrolled poly(N-isopropyl acrylamide)citations
- 2011Characterization of Water-Dispersible n-Type Poly(benzimidazobenzophenanthroline) Derivatives.citations
- 2009Poly(ethylene imine) and Tetraethylenepentamine as Protecting Agents for Metallic Copper Nanoparticlescitations
- 2009Grafting of montmorillonite nano-clay with butyl acrylate and methyl methacrylate by atom transfer radical polymerization: Blends with poly(BuA-co-MMA).citations
- 2009Tuning the structure of thermosensitive gold nanoparticle monolayerscitations
- 2009Rheological properties of associative star polymers in aqueous solutionscitations
- 2009Grafting of montmorillonite nano-clay with butyl acrylate and methyl methacrylate by atom transfer radical polymerizationcitations
- 2009Rheological Properties of Associative Star Polymers in Aqueous Solutions: Effect of Hydrophobe Length and Polymer Topologycitations
- 2009Association behavior and properties of copolymers of perfluorooctyl ethyl methacrylate and eicosanyl methacrylatecitations
- 2008Direct Imaging of Nanoscopic Plastic Deformation below Bulk Tg and Chain Stretching in Temperature-Responsive Block Copolymer Hydrogels by Cryo-TEMcitations
- 2007Metallic nanoparticles in a polymeric matrix
- 2007Metallic nanoparticles in a polymeric matrix:Electrical impedance switching and negative differential resistance
- 2007Phase behavior and temperature-responsive molecular filters based on self-assembly of polystyrene-block-poly(N-isopropylacrylamide)-block-polystyrenecitations
- 2006A New method for measuring free drug concentrationcitations
- 2005Physical Properties of Aqueous Solutions of a Thermo-Responsive Neutral Copolymer and an Anionic Surfactantcitations
- 2005Association in Aqueous Solutions of a Thermoresponsive PVCL-g-C11EO42 Copolymer.citations
- 2004Complexation of DNA with Poly(methacryl oxyethyl trimethylammonium chloride) and Its Poly(oxyethylene) Grafted Analogue.citations
Places of action
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article
Association in Aqueous Solutions of a Thermoresponsive PVCL-g-C11EO42 Copolymer.
Abstract
"Thermoresponsive associations in aqueous solution of poly(N-vinylcaprolactam) chains grafted with omega-methoxy poly(ethylene oxide) undecyl alpha-methacrylate (PVCL-g-C11EO42) at different copolymer concentrations have been investigated with the aid of various experimental methods. Turbidity measurements reveal that the cloud point (CP) decreases with increasing polymer concentration, and this effect is more pronounced in the semidilute concentration regime. Small-angle neutron scattering (SANS) results at large scattering wavevectors suggest a gradual conformational transition from random coils to contracted coils in the dilute concentration regime as the temperature rises. The rheological experiments disclose a strong temperature-induced contraction of the molecules in the dilute concentration regime, and the results in the semidilute regime indicate that the polymer chains are unentangled even at high concentrations. Dynamic light scattering results on solutions at temperatures up to the CP show the existence of a bimodal relaxation process; one mode is associated with the diffusion of individual polymer coils, or small clusters of molecules, and the other one is ascribed to interchain aggregation and the formation of aggregates at higher concentrations. At low concentrations, the intrachain species exhibit a temperature-induced compression, whereas at higher concentrations a temperature rise generates intermolecular aggregates. At a low constant temperature, an increase in polymer concentration leads to poorer thermodynamic conditions of the system, and shrinkage of the polymer coils is observed. At temperatures slightly above CP, the decay of the correlation function is characterized by a narrow unimodal relaxation mode. At this stage, most of the intrachain structures have been consumed in the formation of more compact particles."