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Academic literature on the topic 'Matières plastiques en plomberie – Détérioration'
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Dissertations / Theses on the topic "Matières plastiques en plomberie – Détérioration"
Barthélémy, Eric. "Interactions entre l'eau et le poly(chlorure de vinyle) chloré." Aix-Marseille 1, 2001. http://www.theses.fr/2001AIX11015.
Full textHadid, Mohammed Abderahmane. "Conception d'un dispositif de mesure des charges injectées dans les polymères sous champ alternatif divergent : application au vieillissement électrique." Toulouse 3, 1992. http://www.theses.fr/1992TOU30249.
Full textCharlas, Mathieu. "Etude et durabilité de solutions de packaging polymère de module d'électronique de puissance à application aéronautique." Pau, 2009. http://www.theses.fr/2009PAUU3023.
Full textThis study was related to Today’s development of airborne all-electrical actuators. We designed and studied a novel solution of environmental protection for power electronic component known as power modules. Through a technological study, we identified three main functions that are fulfilled by three different polymer materials. We first focus on the design of the electronic component thermoplastics outside shell. After a material selection work, we studied the physical and chemical behaviour evolution of the selected polymers after ageing in conditions close to the future aeronautical application. We used a cross-testing method, mixing rheological and spectral (FTIR and MNR) analyses. In the second part of this study, we dealt with the manufacturing process of the electronic device dielectrical silicone. For this particular framework, we developed a scientific methodology to investigate the cross-linking reaction and that consisted in characterising the evolution of the rheological properties along the material processing. The last issue was related to the design and study of a sealing solution for the power module. We start this assignment by on one hand selecting the suitable silicone adhesive and also defining its appropriate manufacturing process using a combination of rheological and calorimetrical studies. On the other hand, we defined the optimal conditions of a surface treatment used to improve the adherence of the materials. The ageing phenomena specific of the interfaces were characterised using adherence test know as “crown test” and that was designed to concentrate stress on the interface itself
Boyer, Séverine. "Contribution à l'étude du mécanisme d'endommagement de polymères thermoplastiques semi cristallins par décompression explosive de gaz : interactions gaz/ polymères à températures et pressions élevées." Clermont-Ferrand 2, 2003. http://www.theses.fr/2003CLF21467.
Full textPierre, Nathalie. "Procédé d'injection-moulage : relations entre la phase de plastification et les propriétés des objets finis." Lyon 1, 2000. http://www.theses.fr/2000LYO10295.
Full textPires, Isabelle. "Vieillissement dans l'antigel de matériaux composites polyamide-6,6 renforcé par des fibres de verre courtes." Montpellier 2, 2000. http://www.theses.fr/2000MON20124.
Full textLongieras, Antoine. "Mise au point d'un milieu solide inerte pour l'étude de la biodégradation des polymères dans le compost." Reims, 2005. http://theses.univ-reims.fr/exl-doc/GED00000336.pdf.
Full textThe purpose of our research was to set up a vermiculite based inert solid medium which allows us to enhance reproductibility of biodegradation tests in compost, to simulate degradation of materials in compost and to establish carbon balance. In a first step, wheat starch has been used as a model biodegradable polymer and we have shown that degradation of this product in an inert solid medium was similar to the degradation in compost. A carbon balance has been established with a satisfactory accuracy. In a second step, we have applied the method to the degradation of synthetic biodegradable polymer such as PLA of PHB. A carbon extraction protocol based on PLA hydrolysis in NaOH has been proposed and we have followed the evolution of the various terms of the PLA degradation carbon balance, Biomass, carbon dioxide, soluble by-products and remaining polymer. A different protocol has been proposed of PHB based on biomass oxidation but it still needs some improvement. This work constitutes a first approach in polymer inert solid media degradation tests and it highlights the fundamental steps which further work should be focused on
Foulc, Marie-Pierre. "Etude du vieillissement hygrothermique de composites polyéthylène téréphtalate renforcés par des fibres de verre courtes." Montpellier 2, 2003. http://www.theses.fr/2003MON20179.
Full textPiroelle, Aurélien. "Identification de mécanismes d'apparition de défauts olfactifs dans un emballage alimentaire rigide à base de polylactide : effet de la mise en forme et de l'utilisation." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10169.
Full textThe work aimed at studying the formation risk of olfactive defects [Volatile Organic Compounds (VOC) or odour emission] along the process and use of PLA-based rigid thermoformed food packaging. Consequently, the polymer was first extruded into sheets, and then thermoformed. Modification of the polymer from pellets, extruded sheets, to thermoformed trays was assessed according to two complementary approaches: (i) evaluation of PLA degradation by different physico-chemical, thermal and mechanical analyses; (ii) analysis of the emitted VOC by HS-SPME trapping method and identification by gas chromatography-mass spectrometry. This approach was additionally completed by gas chromatography-olfactometry analysis, in order to confirm the sensorial effect of the volatile compounds on PLA odour. Moreover, PLA trays were tested according to EU normalized tests to prove that it can be used as a Food Contact Material This work showed that even a low level of degradation, which is almost undetectable by physico-chemical analyses, could lead to emission of potentially odorous VOCs, mainly lactides, acetaldehyde and 2,3-pentanedione. For a given PLA, the nature and the quantity of VOCs depend on the degradation level induced along the entire life-cycle of the polymer, but also on the thermal and processing history
Chateauminois, Antoine. "Comportement viscoélastique et tenue en fatigue statique de composites verre-époxy : influence du vieillissement hygrothermique." Lyon 1, 1991. http://www.theses.fr/1991LYO10242.
Full textBooks on the topic "Matières plastiques en plomberie – Détérioration"
Horie, C. V., M. Edge, and Norman S. Allen. Polymers in Conservation (Special Publication (Royal Society of Chemistry (Great Britain))). Royal Society of Chemistry, 1992.
Find full textS, Allen Norman, Edge Michele, Horie C. V, and Royal Society of Chemistry (Great Britain). Information Services., eds. Polymers in conservation. Cambridge [England]: Royal Society of Chemistry Information Services, 1992.
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