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Communication Dans Un Congrès Année : 2022

Thermal Degradation of Fluorosilicone Elastomers

Lucien Laiarinandrasana

Résumé

This paper explores the structure-relationships involved in the degradation of fluorosilicones (FVMQs). For that purpose, FVMQs are 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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hal-03825121 , version 2 (21-10-2022)
hal-03825121 , version 1 (21-04-2023)

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Emmanuel Richaud, Leticia Christina Pires Gonçalves, Sébastien Roland, Laurianne Truffault, Lucien Laiarinandrasana, et al.. Thermal Degradation of Fluorosilicone Elastomers. 10th International Conference on “Times of Polymers (TOP) & Composites”, Università degli Studi della Campania Luigi Vanvitelli; Università Federico II and CRdC, Sep 2021, Ischia, Italy. pp.2100220, ⟨10.1002/masy.202100220⟩. ⟨hal-03825121v1⟩
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