Tips and Tricks - Soft Matter
Preparation of ultra-thin elastomeric films
Department of Physics and Astronomy, McMaster University, 1280 Main Street West, L8S 4M1, Hamilton, Ontario, Canada
2 Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4M1, Hamilton, Ontario, Canada
3 UMR CNRS Gulliver 7083, ESPCI Paris, PSL Research University, 75005, Paris, France
Accepted: 11 April 2023
Published online: 12 May 2023
When polydimethylsiloxane elastomers are produced, in the absence of great care, chains remain that are unbound to the cross-linked matrix. Due to the unbound chains swelling the crosslinked matrix, these materials are gels. We have developed a simple process to prepare well-controlled elastomeric thin films which do not rely on unknown commercial formulations.
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