Reversible Dynamic Behavior of Condensation-Cured Silicone Elastomers Caused by a Catalyst

Alena Jurásková, Stefan Møller Olsen, Anne Ladegaard Skov*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

This study demonstrates that dibutyltin-dilaurate (DBTL), commonly used to catalyze condensation-cured silicone elastomers, causes dynamic behavior in the silicone network, which is attributed to the catalyst finding a way to become part of the elastomer network. Furthermore, it establishes that by choosing an appropriate silanol-terminated polydimethylsiloxane (HO-PDMS-OH) chain length, the catalyst causes the gelation of the system without a cross-linker. To the best of authors' knowledge, this is the first time that the DBTL catalyst is shown, apart from the catalytic effect, to have the ability to act as a cross-linker.
Original languageEnglish
Article number2200615
JournalMacromolecular Materials & Engineering
Volume308
Issue number6
Number of pages7
ISSN1438-7492
DOIs
Publication statusPublished - 2023

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