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Academic literature on the topic 'Liquides polymères'
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Journal articles on the topic "Liquides polymères"
Marquis, B., and M. Frery. "Polymères à cristaux liquides." Matériaux & Techniques 78, no. 11 (1990): 7–8. http://dx.doi.org/10.1051/mattech/199078110007.
Full textDorbon, M., and F. Dawans. "Les polymères auto-renforcés à cristaux liquides." Revue de l'Institut Français du Pétrole 40, no. 5 (September 1985): 625–34. http://dx.doi.org/10.2516/ogst:1985039.
Full textSabba, Nassila, Omar Arous, and Djamel Eddine Akretche. "Extraction du plomb (II) par des membranes polymères à inclusion en utilisant l’Aliquat 336 comme transporteur." Revue des sciences de l’eau 26, no. 2 (June 3, 2013): 107–17. http://dx.doi.org/10.7202/1016062ar.
Full textSterzynski, T., D. Guigner, W. Brostow, and M. Plass. "Orientation macromoléculaire dans l’écoulement du poly(fluorure de vinylidène en mélange avec des polymères cristaux liquides." European Polymer Journal 35, no. 3 (March 1999): 437–50. http://dx.doi.org/10.1016/s0014-3057(98)00146-3.
Full textSixou, P., H. Attia, and A. Vicouroux. "Films de cristaux liquides micro-encapsulés dans des polymères : simulation numérique des images observables en microscopie optique." Revue de Métallurgie 90, no. 9 (September 1993): 1186. http://dx.doi.org/10.1051/metal/199390091186.
Full textGobbé, C., J. Gounot, and M. Bazin. "Mise en oeuvre de la méthode flash pour la mesure de diffusivité thermique sur des matériaux liquides ou fondus en fonction de la température. Application aux polymères." Revue de Physique Appliquée 24, no. 12 (1989): 1119–28. http://dx.doi.org/10.1051/rphysap:0198900240120111900.
Full textVerdu, J. "Vieillissement des polymères en milieu liquide." Matériaux & Techniques 80, no. 9-10 (1992): 24–26. http://dx.doi.org/10.1051/mattech/199280090024.
Full textBakass, M., A. Mokhlisse, and M. Lallemant. "Absorption et désorption de l’eau liquide par un polymère superabsorbant." Thermochimica Acta 356, no. 1-2 (August 2000): 159–71. http://dx.doi.org/10.1016/s0040-6031(00)00474-3.
Full textSCOTTOSHERIFF, S., P. CHEYSSAC, and E. DARQUECERETTI. "Influence de la polarisation d'un polymère sur ses interactions avec une goutte de liquide suspendue ou posée." Annales de Chimie Science des Matériaux 25, no. 3 (March 2000): 161–70. http://dx.doi.org/10.1016/s0151-9107(00)88891-1.
Full textSharma, Neel. "Effectiveness and toxicity of oil spill reagents on Artemia Salina." Journal of Student Science and Technology 9, no. 1 (June 7, 2016). http://dx.doi.org/10.13034/jsst.v9i1.89.
Full textDissertations / Theses on the topic "Liquides polymères"
Hénot, Marceau. "Glissement de polymères liquides." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS194/document.
Full textThe goal of this work was to identify the molecular mechanisms governing the friction of a polymeric liquid on a solid surface by studying the deviation from the no-slip boundary condition.First, we developed a new method of measurement of slip of a polymeric liquid based on the observation under shear of a pattern photobleached in a fluorescent fluid. This method, which is an evolution of one already used in the group, give a direct access to the displacement field of the liquid under shear. Using this setup, we studied experimentally the effect of the chemical nature of the surface, of the liquid viscosity and of the temperature on the slip of polymer melt (T>Tg). It appeared that the slip effect is governed by the viscosity of the liquid and a friction coefficient which depends only on the chemical natures of the liquid and the surface. In particular this coefficient is the same for a melt and for an elastomer made of the same polymer. The temperature dependence of this effect is characterized by the difference of activation energy of viscosity of the liquid and of the friction on the solid surface that both are activated processes. We also studied the case of concentrated polymer solutions for which the molecular mechanism of friction differs. Indeed we showed that the friction coefficient is no longer a local quantity and depends on the concentration. Finally, we investigated the evolution over time of the slip transition of polymer melts and solutions which is due to the adsorption of polymer chains on the solid walls
Gérard, Hervé. "Simulation de spectres de résonance magnétique nucléaire de cristaux liquides, polymères cristaux liquides et polymères conventionnels." Grenoble 1, 1993. http://www.theses.fr/1993GRE10144.
Full textChénard, Yanick. "Nouveaux composites de cristaux liquides/polymères." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0035/MQ67700.pdf.
Full textJoie, Julie. "Simulation numérique des écoulements de liquides polymères." Phd thesis, Université de Pau et des Pays de l'Adour, 2010. http://tel.archives-ouvertes.fr/tel-00546708.
Full textPlesse, Cédric. "Elaboration d'actionneurs à base de Réseaux interprénétrés de polymères contenant un polymère conducteur." Cergy-Pontoise, 2004. http://www.theses.fr/2004CERG0198.
Full textThe present work deals with the synthesis of interpenetrating polymer network (IPN) based on conducting polymer. An IPN is used in order to solve the interface and adhesion problems encountered with the multilayered based actuators. The IPNs are synthesized between poly(ethylene oxide) and polybutadiene networks in which the conducting polymer (poly(3,4-ethylenedioxythiophene)), PEDOT, is gradually dispersed i. E. The content decreases from the outside towards the center of the film. The IPN and conducting IPN morphologies were investigated by DMA and microscopy. The choice of solid polymer electrolyte system is critical when operating in air. Aqueous solution or organic solvents containing electrolytes were first used, but drying process could not be prevented. The most promising results are obtained with a room temperature ionic liquid, 1-ethyl-3-methylimidazolium bis-(trifluoromethylsulfonyl)imide (EMITFSI). These actuators can achieve more than 7 106 bendings from 1 to 18 Hz under an applied potential in the range of 2 to 5 V. In order to understand the mechanisms involved during the redox switching of PEDOT in EMITFSI, electrochemical studies of electrodeposited PEDOT were carried out in this ionic liquid. The ions transfer mechanisms were identified. Results indicated that 1-ethyl-3-methylimidazolium cation was the exchanged species during the oxidation. In this case, a volume decrease of the conducting IPN was observed during the oxidation process. Then, bis((trifluoromethyl)sulfonyl)imide anion could be viewed as immobile ions trapped in the polymer film. Moreover, the relaxation kinetics of poly(3,4-ethylenedioxythiophene) (PEDOT) electrodeposited on platinum electrode surface were studied in the room temperature ionic liquid, EMITFSI, by means of large amplitude potential step experiments. The influence of the applied potential and the film thickness were analyzed. We have developed a kinetic model allowing the determination of the kinetic features. Finally, galvanostatic studies allow us to show that these conducting IPN actuators behave as a type I supercapacitor. A detailed analysis of the charging/discharging kinetics indicated that a linear correlation was shown between the electrical response (potential versus time) and the mechanical response (bending of the actuator)
Riou, Ophélie. "Matériaux cristaux liquides magnétiques." Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2419/.
Full textLiquid-Crystalline Elastomers (LCE) allow to obtain actuators and other sensors. These materials can change shape under temperature. In addition to magnetic nanoparticles, LCE offer the interest of responding to a magnetic field. In order to understand the mechanisms at stake, we start by the study of no cross-linkage systems that is to say by liquid-crystalline polymers doped with magnetic nanoparticles (PCLM). Then, we compare it at only liquid-crystalline polymers (PCL). The strutural study of these polymers shows that in presence of an interaction between the liquid-crystalline matrix and the cobalt nanorods, mesogens of PCLM show a better alignment under magnetic field. Then, we have studied the cross-linkage systems. The Materials obtained are liquid-crystal and ferromagnetic. To see a shape modification of the material it must be monodomain. Thus, we have realized syntheses of composite under magnetic field at room temperature, to aligne the mesogens and the cobalt nanorods in the same direction. The observation of these samples enables to see that the cobalt nanorods are well aligned. However, to aligne the mesogens it appears that it would be better to use an isotropic temperature and to apply the magnetic field. This study has approved the feasibility to realize magnetic mesomorphous elastomers and has shown the contribution of doping of the liquid-crystalline matrix by cobalt nanorods
Roussel, Frédérick. "Nouveaux composites de polymère acrylique et de cristal liquide nématique : élaboration, thermophysique de la séparation de phases, et comportements électro-optiques." Littoral, 1996. http://www.theses.fr/1996DUNK0003.
Full textCuierrier, Étienne. "Vers la simulation de polymères cristaux liquides auxétiques." Mémoire, Université de Sherbrooke, 2018. http://hdl.handle.net/11143/11818.
Full textDumon, Michel. "Synthèses et caractérisations de nouveaux polymères cristaux liquides ferroélectriques." Bordeaux 1, 1991. http://www.theses.fr/1991BOR10549.
Full textGilli, Jean-Marc. "Action des champs extérieurs sur les polymères cristaux liquides." Nice, 1986. http://www.theses.fr/1986NICE4003.
Full textBooks on the topic "Liquides polymères"
Donald, A. M. Liquid crystalline polymers. Cambridge [England]: Cambridge University Press, 1992.
Find full textChemical process in liquid and solid phases: Properties, performance and applications. Toronto: Apple Academic Press, 2014.
Find full textAqueous two-phase partitioning: Physical chemistry and bioanalytical applications. New York: M. Dekker, 1995.
Find full textSIMON, Guilhem, ed. Spectroscopies vibrationnelles. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.9782813002556.
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