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Thermal oxidation of Poly(dicyclopentadiene)– kinetic modeling of double bond consumption

Type
Articles dans des revues avec comité de lecture
Author
HUANG, Jing
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
DAVID, Adelina
23120 Institut Français de Recherche pour l'Exploitation de la Mer - Brest [IFREMER]
LE GAC, Pierre-Yves
23120 Institut Français de Recherche pour l'Exploitation de la Mer - Brest [IFREMER]
LORTHIOIR, Cédric
24508 Institut de Chimie et des Matériaux Paris-Est [ICMPE]
542013 Spectroscopie, Modélisation, Interfaces pour L'Environnement et la Santé [LCMCP-SMiLES]
COELHO, Cristina
541807 Institut des matériaux de Paris-Centre [IMPC]
RICHAUD, Emmanuel
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/15676
DOI
10.1016/j.polymdegradstab.2019.06.003
Date
2019
Journal
Polymer Degradation and Stability

Abstract

This paper reports chemical changes that occur in polydicyclopentadiene during thermal oxidation at several temperatures and oxygen pressures. A particular attention was paid to the double bond consumption since these latter are associated with crosslinking and subsequent changes in mechanical properties. A kinetic model was derived from the experimental results. Its rate constants were assessed from the “inverse approach” based on their selective identification under specific ageing conditions (for example under oxygen excess). The resulting model satisfactorily describes both carbonyl formation and double bond consumption for a wide range of temperature and oxygen pressure for the first time. This can be exploited to predict the changes of local mechanical properties.

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