Elastomers without Covalent Cross-Linking: Concatenated Rings Giving Rise to Elasticity

Pengpeng Hu, Jeppe Madsen, Qian Huang, Anne Ladegaard Skov*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

There is intense interest in making mechanically stable elastomers with properties resembling those of human muscles for use in soft robotics. Recently, a polydimethylsiloxane (PDMS) elastomer prepared without the use of cross-linking moieties from heterobifunctional PDMS macromonomers of intermediate molecular weight has been shown to exhibit surprising inherent softness and excellent stability upon both large deformation and swelling, in clear contradiction of classical rubber elasticity theories. In this work, this unexpected elasticity is shown to originate from concatenated rings.

Original languageEnglish
JournalACS Macro Letters
Pages (from-to)1458-1463
ISSN2161-1653
DOIs
Publication statusPublished - 2020

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