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Article Dans Une Revue Macromolecular Symposia Année : 2022

Thermal Degradation of Fluorosilicone Elastomers

Résumé

This paper explores the structure-relationships involved in the degradation of fluorosilicones (FVMQs). For that purpose, FVMQs were thermally aged at 280°C under various atmospheres (nitrogen, atmospheric air, pure oxygen). It seems that FVMQs undergo a strong mass loss irrespectively of the atmosphere. Under nitrogen, a chain scission (unzipping) mechanism is suspected whereas under air, a crosslinking mechanisms leads to an increase in tensile modulus. A degradation mechanism is proposed as a basis for lifetime prediction.
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Dates et versions

hal-03825121 , version 2 (21-10-2022)
hal-03825121 , version 1 (21-04-2023)

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Citer

Emmanuel Richaud, Leticia Pires, Sébastien Roland, Laurianne Truffault, Lucien Laiarinandrasana, et al.. Thermal Degradation of Fluorosilicone Elastomers. Macromolecular Symposia, 2022, 405 (1), pp.2100220. ⟨10.1002/masy.202100220⟩. ⟨hal-03825121v2⟩
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