Printable, Degradable, and Biocompatible Ion Gels from a Renewable ABA Triblock Polyester and a Low Toxicity Ionic Liquid

Boxin Tang, Deborah K. Schneiderman, Fazel Zare Bidoky, C. Daniel Frisbie, Timothy P. Lodge

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


We have designed printable, biocompatible, and degradable ion gels by combining a novel ABA triblock aliphatic polyester, poly(ϵ-decalactone)-b-poly(dl-lactide)-b-poly(ϵ-decalactone), and a low toxicity ionic liquid, 1-butyl-1-methylpyrrolidinium bistrifluoromethanesulfonylimide ([P14][TFSI]). Due to the favorable compatibility between amorphous poly(dl-lactide) and [P14][TFSI] and the insolubility of the poly(ϵ-decalactone), the triblock polymer forms self-assembled micellar cross-links similar to thermoplastic elastomers, which ensures similar processing conditions and mechanical robustness during the fabrication of printed electrolyte-gated organic transistor devices. Additionally, the ester backbone in the polymer structure enables efficient hydrolytic degradation of these ion gels compared to those made previously using carbon-backbone polymers.

Original languageEnglish (US)
Pages (from-to)1083-1088
Number of pages6
JournalACS Macro Letters
Issue number10
StatePublished - Oct 17 2017

Bibliographical note

Funding Information:
This work was partially supported by the Air Force Office of Scientific Research under Grant FA9550-12-1-0067. CDF thanks the NSF (ECCS-1407473) and the Office of Naval Research Multi-University Research Initiative (N00014-11-1-0690) for support of this work. The authors would like to thank Professor Marc Hillmyer, Angelika Neitzel and Liangliang Gu for helpful discussions and suggestions. Portions of this work were performed at the DuPont-Northwestern-Dow Collaborative Access Team (DND-CAT) located at Sector 5 of the Advanced Photon Source (APS). DND-CAT is supported by Northwestern University, E.I. DuPont de Nemours & Co., and The Dow Chemical Company. This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. Data were collected using an instrument funded by the National Science Foundation under Award Number 0960140.

Publisher Copyright:
© 2017 American Chemical Society.


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