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Academic literature on the topic 'Dynamique des polymères'
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Journal articles on the topic "Dynamique des polymères"
Viot, Philippe, and Florent Beani. "Comportement de mousses polymères en compression dynamique." Revue des composites et des matériaux avancés 13, no. 3 (December 23, 2003): 283–92. http://dx.doi.org/10.3166/rcma.13.283-292.
Full textPerez, J. "Frottement intérieur et module dynamique associés à la transition vitreuse des polymères amorphes." Revue de Physique Appliquée 21, no. 2 (1986): 93–107. http://dx.doi.org/10.1051/rphysap:0198600210209300.
Full textMayen, M. "Application de la dynamique des solutions concentrées de polymères à la résonance acoustique de réticulation." European Polymer Journal 21, no. 10 (January 1985): 903–8. http://dx.doi.org/10.1016/0014-3057(85)90172-7.
Full textErchiqui, Fouad, and Driss Diri. "Modélisation du comportement des polymères thermoplastiques par une approche combinant la méthode dynamique des éléments finis et la loi des gaz parfaits." Revue des composites et des matériaux avancés 13, no. 1 (April 23, 2003): 99–104. http://dx.doi.org/10.3166/rcma.13.99-104.
Full textCourchesne, François, and William H. Hendershot. "La genèse des podzols." Géographie physique et Quaternaire 51, no. 2 (November 30, 2007): 235–50. http://dx.doi.org/10.7202/033121ar.
Full textLataillade, J. L., J. Pouyet, and S. Sahraoui. "Sollicitations dynamiques de polymères et composites." Matériaux & Techniques 73, no. 6-7 (1985): 307–17. http://dx.doi.org/10.1051/mattech/198573060307.
Full textCohen-Addad, JP. "Structures statistiques et dynamiques lentes dans les polymères mous. Approches RMN." Journal de Chimie Physique 92 (1995): 1739–44. http://dx.doi.org/10.1051/jcp/1995921739.
Full textViot, Philippe, Dominique Bernard, and Erwan Plougonven. "Développement d'une méthodologie pour l'étude des déformations de mousse polymère sous compression dynamique. Utilisation de la microtomographie." Revue des composites et des matériaux avancés 17, no. 1 (February 23, 2007): 9–23. http://dx.doi.org/10.3166/rcma.17.9-23.
Full textDUCROT, C., J. CHARLEY-POULAIN, and J. M. AYNAUD. "Numéro hors série 2004 : Encéphalopathies spongiformes transmissibles animales -Sommaire et avant-propos." INRAE Productions Animales 17, HS (December 18, 2004). http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3612.
Full textDissertations / Theses on the topic "Dynamique des polymères"
Lagrene, Karine. "ÉTUDE DYNAMIQUE DE POLYMÈRES SOUS CONFINEMENT QUASI-UNIAXIAL." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00622540.
Full textLagrené, Karine. "Étude dynamique de polymères sous confinement quasi-uniaxial." Paris 11, 2008. http://www.theses.fr/2008PA112363.
Full textThanks to numerous theorical developments, it is now possible to draw a close relationship between polymer rheology in bulk and chain dynamics at the molecular level. Nevertheless, the peculiar proprties of polymers in interfacial situations or deep confinement are not completely understood. It has been recently observed by RMN relaxomery that the confinement of polymer melts in a nanoscopic isotropic porous matrix leads to chain dynamics dramatically different from the bulk behavior : the reptation tube diameter under confinement is one order of magnitude smaller than the bulk one (for PEO : dconf = 0. 6nm<
Shahsavari, Bedoustani Ashkan. "Dynamique des polymères à grande densité d'interactions fortes." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1133/document.
Full textThe aim of the thesis is to study the dynamic properties of polymers with high densities of strong intermolecular interactions, depending on the energy and the density of these interactions. This study is carried out by the molecular dynamics method
Lidin, Catherine. "Technique de FRAP appliquée à la dynamique des polymères." Mulhouse, 2000. http://www.theses.fr/2000MULH0633.
Full textJafarpour, Moghaddam Golnaz. "Dynamique macromoléculaire dans la paroi végétale et ses polymères pariétaux." Toulouse 3, 2007. http://www.theses.fr/2007TOU30067.
Full textThe wood has become a popular material for several industries. The wood molecular mobility and the one of three principal constitutive polymers, cellulose, hemicellulose and lignin were studied. Thermal stability and physical structure of materials were respectively obtained by Thermo Gravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). In parallel, macromolecular relaxation dynamics were measured by Dynamic Dielectric Spectroscopy (DDS) and Thermo Stimulated Currents (TSC). The combination of two last methods let us study the localised and delocalised molecular mobility on the extended frequency scale. The influence of the hydrogen bonds and the hydration rate on the molecular mobility was also pointed out. The analysis realised on genetically modified wood brought us the information on the inter chain interactions evolution
Fleury, Alexandre. "Dynamique des états de l’eau au sein de polymères perfluorés." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/10385.
Full textLepez, Olivier. "Rhéologie des polymères chargés." Compiègne, 1989. http://www.theses.fr/1989COMPD162.
Full textRoig, Frédéric. "Transitions et dynamique relaxationnelle de polymères issus de la paroi végétale." Toulouse 3, 2011. http://thesesups.ups-tlse.fr/1432/.
Full textIn the future, increasing CO2 will stimulate the photosynthesis process and could allow a substantial increase in plant material. Compared to fossil fuels like oil or char, plant matter represents an annually renewable resource. Knowledge of its physicochemical properties is essential. The gene mutations of plant species allow identifying genes responsible for synthesis of the constituent polymers. The objective of this thesis is to apply thermal analysis techniques coupled with dielectric spectroscopy, to study the dynamic structure of plant cell walls of Arabidopsis Thaliana. In an analytical approach, the major cell wall polysaccharides extracted: cellulose and lignin, are studied. The glass transition of each polymer and the localized and delocalized molecular mobility were determined. Cellulose is the major structural component of plant cell walls; special attention was paid to the influence of its interaction with water on its physical structure. The decrease in glass transition temperature when the humidity increases, is a characteristic phenomenon of plasticization. The comparative study of the composite with natural plant cell wall polymers showed the contribution of cellulose and lignin in the dynamic chain of Arabidopsis Thaliana. These interpretations highlight the impact of genetic modifications on the interactions between and within molecular cell wall polymers
Pradel, Pierre. "Etude de la compaction dynamique de mousses polymères : Expériences et modélisation." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2017. http://www.theses.fr/2017ESMA0035/document.
Full textPolymeric foams are widely used in many industrial applications as thermal insulators, structural materials or shock mitigators. Indeed, they are light weight materials with an excellent weight /stiffness ratio and low production costs. One of the applications which interests the CEA is the protection of structures against mechanical loadings generated by laser irradiation or high velocity impact of small debris.The main objective of this PhD thesis is to investigate the mitigation capability of an expanded polyurethane foam and an epoxy syntactic foam against extremely fast (> 106 s−1) and intense(> 10 GPa) dynamic loadings. Cyclic quasi-static tests and dynamic experiments have been performed to investigate the behavior of these two foams for strain rates ranging from 10−3 to 106 s−1. Analysis of the experimental results shows that these polymeric foams have an elastic behavior phase followed by a compaction phase with significant permanent sets. Compaction thresholds are about 9 MPa for the polyurethane foam and 30 MPa for the epoxy foam under quasi-static loadings and around 21 MPa for the polyurethane foam and 72 MPa for the epoxy foam for strain rates above 104 s−1.Two porous compaction models are developed to represent the macroscopic behavior of these foams for such strain rates. The parameters are identified from the results of dynamic compression experiments (gas gun, low inductance generator). The validity of the models is tested by comparing calculated velocity profiles with an explicit hydrocode and velocity profiles measured during the experiments. These models are then used to analyze the results obtained with electron beam irradiation and laser-driven shock experiments. We demonstrate that the studied polymeric foam shave high mitigation capabilities and that the models are valid for high strain rates
Aouri, Malik Charles. "Réticulation d'une résine époxyde : modélisation de la cinétique réactionnelle par l'analyse thermique dynamique." Montpellier 2, 1992. http://www.theses.fr/1992MON20245.
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