Aging behavior and modeling studies of unsaturated polyester resin and unsaturated polyester resin-based blends
Chapitre d'ouvrage scientifique
Résumé
This chapter deals with various cases of degradation of unsaturated polyester resin (UPR)-based materials (composites with polyester matrices and polyester interpenetrated networks). The consequences of degradation mainly on mechanical and engineering properties are presented from a structure-relationships point of view. Two main kinds of mechanisms are presented, namely physical (chemicals and water penetration) and chemical mechanisms (hydrolysis, radiolysis, photolysis and photooxidation, and thermal oxidation) together with experimental trackers, existing kinetic models, and some of their available parameters. It seems in particular that the lifetime prediction of UPR-based materials submitted to chemical aging remains an open issue due to the nonideality of networks.
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- PIMM_UPR_2019_RICHAUD.pdf
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- 2.230Mo
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- Chapitres d'ouvrages
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Article dans une revue avec comité de lectureOKAMBA-DIOGO, Octavie; VERDU, Jacques; FERNAGUT, François; GUILMENT, Jean; PERY, Frédérique; FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2016)Polyamide 11 films stabilized by Irganox® 1098, Irganox® 1010 or Irganox® 245 were subjected to thermal oxidation at 110°C. The residual phenol content was assessed by comparing three analytical methods:high performance ...
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Article dans une revue avec comité de lectureDERUE, Isabelle; GILORMINI, Pierre; VERDU, Jacques; VAULOT, Cyril; COQUILLAT, Marie; DESGARDIN, Nancy; VANDENBROUKE, Aude; RICHAUD, Emmanuel (Elsevier, 2015)The hydrolytic degradation of fully cured polyester-urethane networks polymerized in the presence of several weight ratios of triacetin was monitored by the residual concentration in elastically active chains obtained from ...
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Article dans une revue avec comité de lectureThis work deals with a study of stabilizers loss by extraction in ethanol–cyclohexane mixtures simulating ethanol based biofuels. As theoretically predicted, cyclohexane has an extractive power considerably stronger than ...
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Article dans une revue avec comité de lectureAUDOUIN, Ludmila; VERDU, Jacques; MATISOVÁ-RYCHLÁ, Lyda; RYCHLY, Jozef; FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2012)This study deals with oxidation kinetics of three unsaturated fatty esters: methyl oleate, methyl linoleate and methyl linolenate at temperatures ranging from 90 to 150 °C. The reaction was monitored by chemiluminescence. ...
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Article dans une revue avec comité de lectureOKAMBA-DIOGO, Octavie; VERDU, Jacques; FERNAGUT, François; GUILMENT, Jean; FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2016)Embrittlement processes occurring during thermal oxidation are investigated for stabilized and unstabilized polyamide 11 samples differing by their thicknesses and initial molar masses. Tensile tests were carried out in ...