Designing reliable silicone elastomers for high temperature applications

Elisa Ogliani*, Liyun Yu, Piotr Mazurek, Anne Ladegaard Skov

*Corresponding author for this work

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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Silicone elastomers find application in fields ranging, for instance, from soft robotics and electronic skin, to the automotive and the aerospace industries. In addition, the high dissociation energy and the low energy barrier to rotation of the siloxane bond make silicone elastomers suitable for high temperature applications.[1,2] Reliability and durability are strict requirements for silicone elastomers employed in high temperature applications, and significant effort has been invested by the industrial and the scientific communities into improving their thermal stability. Exploiting traditional methods, such as adding heat-resistant fillers or chemical modifications, still suffer from remarkable shortcomings. Therefore, developing cheap and easy solutions to improve thermal stability of silicone elastomer is a major challenge. This study focuses on determining the role of network structure on the thermal degradation of silicone elastomers.[3] Elastomers with different stoichiometric ratios were synthesized to vary the relative fractions of elastic, dangling, and sol structures. Thermogravimetric analysis was used to investigate the thermal degradation behavior of the silicone elastomers synthesized with different cross-linking densities and to analyze their thermal degradation products. Here, we demonstrate how to optimize the stoichiometric ratio used to prepare silicone elastomers in order to enhance their thermal stability by simple means.
Original languageEnglish
Publication date2019
Number of pages1
Publication statusPublished - 2019
Event12th International Workshop on Silicon-Based Polymers (ISPO19) - Kiryu, Japan
Duration: 21 Jul 201925 Jul 2019


Conference12th International Workshop on Silicon-Based Polymers (ISPO19)

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