Academic literature on the topic 'Propriétés thermodynamiques des polymères'
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Journal articles on the topic "Propriétés thermodynamiques des polymères"
Prigogine, I., V. Mathot, and A. Desmyter. "Propriétés thermodynamiques des solutions associées." Bulletin des Sociétés Chimiques Belges 58, no. 10-12 (September 1, 2010): 547–65. http://dx.doi.org/10.1002/bscb.19490581014.
Full textJozefowicz, M., L. T. Yu, J. Perichon, and R. Buvet. "Propriétés Nouvelles des Polymères Semiconducteurs." Journal of Polymer Science Part C: Polymer Symposia 22, no. 2 (March 13, 2007): 1187–95. http://dx.doi.org/10.1002/polc.5070220251.
Full textBarbi, Maria, Annick Lesne, Julien Mozziconacci, and Jean Marc Victor. "Chromosomes : étonnants polymères !" Reflets de la physique, no. 57 (April 2018): 10–15. http://dx.doi.org/10.1051/refdp/201857010.
Full textDe Brouckère, Lucia, and G. Offergeld. "Les Propriétés Diélectriques des Polymères Solides." Bulletin des Sociétés Chimiques Belges 67, no. 3-4 (September 1, 2010): 96–122. http://dx.doi.org/10.1002/bscb.19580670303.
Full textBrouckère, L. De, G. Geuskens, and G. Robert. "Les Propriétés Dielectriques des Polymères Solides." Bulletin des Sociétés Chimiques Belges 70, no. 7-8 (September 1, 2010): 410–14. http://dx.doi.org/10.1002/bscb.19610700707.
Full textHourquebie, P., L. Olmedo, J. Prost, and JP Pouget. "Modélisation des propriétés hyperfréquences des polymères conducteurs." Journal de Chimie Physique 92 (1995): 1005–8. http://dx.doi.org/10.1051/jcp/1995921005.
Full textBrosseau, C. "Mésostructure et propriétés macroscopiques des polymères chargés : applications aux propriétés diélectriques." Annales de Chimie Science des Matériaux 28, no. 4 (July 2003): 1–24. http://dx.doi.org/10.1016/s0151-9107(03)00092-8.
Full textMercury, Lionel, and Yves Tardy. "Pression négative et propriétés thermodynamiques de l'eau capillaire." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 324, no. 11 (June 1997): 863–73. http://dx.doi.org/10.1016/s1251-8050(97)82499-8.
Full textHuet, J., R. Philippe, and D. Bono. "Propriétés thermodynamiques et spectroscopiques des solutions associées IV." Bulletin des Sociétés Chimiques Belges 62, no. 7-8 (September 1, 2010): 436–47. http://dx.doi.org/10.1002/bscb.19530620709.
Full textLefrant, S., C. Godon, T. Verdon, E. Mulazzi, and G. Leising. "Propriétés optiques de polymères et de copolymères orientés." Journal de Chimie Physique 89 (1992): 947–56. http://dx.doi.org/10.1051/jcp/1992890947.
Full textDissertations / Theses on the topic "Propriétés thermodynamiques des polymères"
Bouchaud, Elisabeth. "Étude des propriétés thermodynamiques et structurales des polymères aux interfaces." Paris 11, 1988. http://www.theses.fr/1988PA112013.
Full textMathlouthi, Chourouk. "Étude des propriétés thermodynamiques et dynamiques des polymères confinés en géométrie nanoparticules." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAI035/document.
Full textThe impact of confinement on the physical properties of polymers is an important topic for both fundamental and academic aspects and has gathered an intensive interest within the polymer physics community. In particular the relationship between the glass transition (Tg) and the dynamic of confined polymers has remained the center of a controversial debate over the past two decades. While the glass transition measured by thermal expansion is remarkably decreased in thin films, the alpha dynamic of polymers was found to be invariant, which can be seen as incoherence with the time-temperature superposition. To search the origin of these controversies and answer the questions posed in this debate, we focus the study on the thermal properties of confined polystyrene in the compact structure with a high surface area such as nanoparticles. Even though the particles geometry exhibit several advantages such as higher free surface and mild processing method, only few studies have been carried out on it compared to that on the thin films.The main objective of this thesis is to investigate the behavior of Tg and the dynamics of confined polystyrene in particles in the close packed structure, where the spherical particles are separated by voids, and to compare them to their corresponding bulk. We investigate the kinetic of void closure to quantify the α-dynamic of confined polystyrene in particles. We extract information about the heat capacity (Cp) from differential scanning calorimetry (DSC) thermograms. We show that the Cp of confined polystyrene is similar to that of bulk in the glassy regime and deviates from it between Tg -30 ° C and Tg. The magnitude of this deviation increases with increasing the free surface area. This was interpreted by the existence and the propagation of a mobile layer on the free surface or the existence of a zone with higher expansion coefficient. On the other hand, the α-dynamic probed via the void closure in the area where Cp increases was found to exhibit a bulk behavior.A second objective of this thesis is to investigate the physical aging of confined polystyrene in particles in the glassy regime. We quantify the enthalpy recovery during aging of both confined polystyrene and their corresponding bulk at various temperatures and aging times. We show that the physical aging process depends on the processing history of the polymer and is highly affected by the confinement
Lecommandoux, Sébastien. "Polymères cristaux liquides en haltère : de la modification chimique à l'évolution des propriétés thermodynamiques, structurales et conformationnelles." Bordeaux 1, 1996. http://www.theses.fr/1996BOR10650.
Full textDemerdache, Julien Moukhtar El. "Effets de séquence sur les propriétés thermodynamiques de brins d'ADN : de la théorie à l'expérience." Lyon, École normale supérieure (sciences), 2008. http://www.theses.fr/2008ENSL0488.
Full textGogibus, Nicolas. "Études des propriétés thermophysiques et électro-optiques de mélanges de polysiloxanes et de cristaux liquides." Lille 1, 2001. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2001/50376-2001-327.pdf.
Full textDans le cas des systèmes linéaires, l'analyse par microscopie optique a révélé une dispersion de domaines CL sous forme de gouttes dans la matrice polymère amorphe. Lorsque le CL est mélangé au PDMS, un domaine biphasique isotrope-isotrope a été observé sur un large intervalle de températures. Cette texture a été également détectée et examinée par diffusion de la lumière. Une étude des diagrammes de phases a révélé une diminution significative de la miscibilité avec la masse du polymère dans le cas du 5CB. L'emploi du PMPS comme polymère augmente considérablement la solubilité du CL. Par Analyse Enthalpique Différentielle, un effet de plastification du E7 a été observé dans ce polymè́re. Uneétude utilisant les mêmes méthodes d'analyse physique mais sur le système PDMS acrylique / 5CB, polymérisé sous EB (bombardement électronique), a montré également une forte incompatibilité entre les deux constituants. La structure varie peu avec la composition et semble être formée d'objets petits (1 à 2[mu]m) interconnectés de cristal liquide dans le réseau polymère. Une étude électro-optique sur les films PDLC révèle que l'emploi d'une matrice polymère de type réseau PDMS fourni des tensions d'adressage et une hystérésis faibles. Ces propriétés électro-optiques ont été discutées en fonction des résultats d'analyses thermophysiques et de morphologie
Trognon, Laurence. "Approche thermodynamique de la réactivité des stabilisants thermiques du polychlorure de vinyle." Lyon 1, 1991. http://www.theses.fr/1991LYO10212.
Full textTié, Bi Grah Robert. "Etudes expérimentales des couplages thermomécaniques par méthodes optiques et par thermographie infrarouge, applications aux polymères." Poitiers, 2000. http://www.theses.fr/2000POIT2282.
Full textDjato, Anani. "Identification rapide des propriétés diffuso-mécaniques de matériaux polymères et composites pour applications aéronautiques." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2018. http://www.theses.fr/2018ESMA0010/document.
Full textThe use of organic matrix composite materials (OMC) for the realization of "warm" aeronautical structures, may expose these materials to aggressive environments: wet or gaseous environments,high temperatures, which may promote severe aging and degradation phenomena related to species diffusion within the macromolecular network of the polymer matrices. The complexity of the OMC microstructure used for these applications can complicate the understanding of degradation phenomena : for example, species diffusion can be isotropic, orthotropic or anisotropic, depending on the texture of the fibrous reinforcement. Humid aging of OMC is of particular concern for the aeronautical industry ; the diffusion of water in the polymer matrix of the composite may promote hygroscopic swelling, changes in mechanical properties (stiffness, strength). Experimental methods exist for the characterization of these phenomena and for the identification of the associated parameters : these methods often recommend the use of moisture saturated specimens, which require long conditioning times, sometimes often a relevant number of samples (1 sample for each saturated state), high costs. The aim of this work is to establish protocols for fast identification of the diffusomechanical properties of polymers and polymer based OMC materials for aeronautical applications. The approach implemented in this thesis is organized in four chapters. The first chapter presents a bibliographic study on coupled diffuso-mechanics modeling tools and on methods of characterization/identification of diffuso-mechanical properties, more particularly for OMC for aeronautical applications. The bibliographic study allows specifying the framework of the present research, which foresees the employment of a weakly coupled diffuso-mechanical model, where water diffusion follows the Fick’s law and the mechanical behavior is linear hygroelastic, depending on water content. The second chap-ter presents the setting up and the development of a method for fast identification of anisotropic diffusion properties, suitable for OMC with complex architecture, such as for instance, 2D or 3Dwoven OMC. The method relies on mass-gain measures of OMC samples, the diffusion anisotropy ofthese materials is obtained by rotating the axes of orthotropy. The proposed method represents an extension of the "slope method" introduced by Shen and Springer in the 1970s for the identification of the diffusion properties of orthotropic materials (such as laminated composites), and is based onthe exploitation of gravimetric curves at short times. Through this method, the principal coefficients and the principal axes of orthotropy can be identified. A discussion about the transition from 3Dto 1D diffusion as a function of the sample geometry is also presented at the end of this chapter. The third chapter explores through a numerical study the possibility of identifying in a fast way the mechanical properties affected by moisture of polymeric materials by the use of mechanical tests on thin plates with water concentration gradients. Traction and bending tests are taken into account.For isotropic materials, in a hygroelastic setting, it is showed that this method allows identifyng the water concentration dependent Young’s modulus and the Poisson’s ratio with a remarkable time gain compared to tests on moisture saturated samples. Finally, the last chapter proposes through a numerical study a method for fast identification of the diffuso-mechanical properties of isotropic materials based on the use of plates loaded by an asymmetric water concentration field. The identification is thus carried out from the monitoring deflections generated by the concentration fields. The moisturedependent hygroscopic expansion coefficient and Young’s modulus can be identified during the test,by exploiting the transient state of conditioning, with a remarkable time gain compared with moisture saturated samples
Ayadi, Zoubeïr. "Contribution à la modélisation du comportement mécanique de polymères à partir d'une approche thermodynamique de la relaxation des milieux continus : application aux expériences de fluage/recouvrance." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL073N.
Full textLachhab, Touria. "Études des propriétés mécaniques d'empilements désordonnés de billes de gel." Phd thesis, Ecole Nationale des Ponts et Chaussées, 1994. http://tel.archives-ouvertes.fr/tel-00529715.
Full textBooks on the topic "Propriétés thermodynamiques des polymères"
Lévy, Jean-Claude Serge. Propriétés thermodynamiques de la matière, thermochimie: Cours et exercices corrigés : PCEM/DEUG. Paris: Ellipses, 1999.
Find full textF, Landel Robert, ed. Mechanical properties of polymers and composites. 2nd ed. New York: M. Dekker, 1994.
Find full textPhase transitions in polymers: The role of metastable states. Amsterdam: Elsevier, 2008.
Find full text1945-, Grubb David T., ed. Polymer microscopy. 2nd ed. London: Chapman and Hall, 1996.
Find full textEhrenstein, Gottfried W., and Fabienne Montagne. Matériaux polymères : Structure, propriétés et applications. Hermès science publications, 2000.
Find full textLes propriétés thermodynamiques de la matière, thermochimie : Cours et exercices corrigés. Ellipses Marketing, 2000.
Find full textKausch, Hans-Henning, Nicole Heymans, Pierre Decroly, and Christopher John Plummer. Traité des matériaux, numéro 14 - Matériaux polymères : Propriétés mécaniques et physiques. Presses Polytechniques et, 2001.
Find full textMorin, Jean-Francois, and Mario Leclerc. Design and Synthesis of Conjugated Polymers. Wiley & Sons, Limited, John, 2010.
Find full textBook chapters on the topic "Propriétés thermodynamiques des polymères"
"6 Effets du vieillissement radiochimique sur les propriétés mécaniques des polymères industriels." In Polymères en ambiance nucléaire, 83–106. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0897-7-009.
Full text"6 Effets du vieillissement radiochimique sur les propriétés mécaniques des polymères industriels." In Polymères en ambiance nucléaire, 83–106. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0897-7.c009.
Full textBEDOUI, Fahmi, Adoté Sitou BLIVI, Benhui FAN, and Djimédo KONDO. "Effets de taille et propriétés physiques et mécaniques des polymères nanorenforcés." In Nanocomposites, 73–95. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9031.ch3.
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