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Academic literature on the topic 'Matières plastiques en plomberie – Perméabilité'
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Dissertations / Theses on the topic "Matières plastiques en plomberie – Perméabilité"
Barthélémy, Eric. "Interactions entre l'eau et le poly(chlorure de vinyle) chloré." Aix-Marseille 1, 2001. http://www.theses.fr/2001AIX11015.
Full textIrissin-Mangata, Josiane. "Recherche de nouveaux matériaux d'emballage à hautes performances à base de gluten de blé et de polymères synthétiques." La Réunion, 1998. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/98_08_Irissin.pdf.
Full textCharlon, Sébastien. "Elaboration et caractérisation de nouveaux systèmes nanocomposites à propriétés de transport contrôlées. Impact d'un nouveau procédé de mise en oeuvre." Rouen, 2015. http://www.theses.fr/2015ROUES011.
Full textDuring the last decades, a waste-reduction program, specifically for plastic packaging, was promoted due to environmental drawbacks with the development of biodegradable polymers. However, barrier properties of these biodegradable materials must be often improved to be competitive with common polyolefins (PE, PP, PET, etc. ). In this objective, the incorporation of nanofillers using industrializable processes seems to be a promising approach. Indeed, the introduction of inorganic nanofillers like clays (montmorillonite) into a polymer matrix often increased barrier properties of the polymer matrix. In this study, composites were prepared from biodegradable matrices such as Poly(Putylene Succinate) (PBS) and Poly(Butylène Succinate-co-butylène Adipate) (PBSA) loaded with Cloisite Na+ or Cloisite 30B. An extrusion process was applied with the use of liquid water injection under high pressure and high temperature into thermo-moulding or extrusion-calandaring processes. Kinetic permeation revealed changes in barrier properties as function of the elaboration process or the polymer matrix used. These results were explained from structural charectirizations (DSC, XRD) and microscopy observations (TEM) in order to correlate barrier peoperties to the dispersion and exfoliationlevels of fillers into the polymer matrices, to the degrees of cristallinity and to the rigid amorphous fractions (RAF) of the bio-polymers
Colak, Basak Yilin. "Utilisation du caséinate de sodium pour la fabrication de films actifs pour l’emballage alimentaire : étude des propriétés barrières aux gaz, de l’activité antimicrobienne et de la biodégradabilité." Thesis, Saint-Etienne, 2014. http://www.theses.fr/2014STET4018/document.
Full textBecause food market becomes international, consumers are changing their habits and they are more concerned about food security and environmental issues, there are driving forces for the development of edible/biodegradable antimicrobial packaging films. However, fabrication process (solution-casting) of these kinds of films isn’t always suitable for a continuous industrial big production. The present study demonstrates the suitability of sodium caseinate based edible antimicrobial films to be fabricated by some conventional plastic transformation processes: twinscrew extrusion and blown-film extrusion. Thanks to the optimizations of elaboration parameters such as extrusion temperature, shear and plasticizer ratio, the materials incorporated with one of the following active agents: lysozyme, nisin or natamycin, partially kept their antimicrobial activity. Physical-chemical film characterization of films emphasized that the type of transformation process doesn’t have any influence on tensile or gas barrier properties. These properties are mainly affected by plasticizer type and content. Thus, sodium caseinate based edible antimicrobial films can be produced successfully by thermo-mechanical processes without losing good mechanical and gas barrier properties
Comas-Cardona, Sébastien. "Modélisation, simulation et contrôle du couplage hydro-mécanique pour le moulage de composites." Lille 1, 2005. https://ori-nuxeo.univ-lille1.fr/nuxeo/site/esupversions/3efa882a-9b13-4d8c-9093-5fb158ec4af4.
Full textL'Intermy, Julien. "Développement d'un matériau de liner pour réservoir cryogénique de lanceur." Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00995105.
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