Issue 61, 2022

Orthogonally deconstructable and depolymerizable polysilylethers via entropy-driven ring-opening metathesis polymerization

Abstract

The synthesis of novel polysilylethers via entropy-driven ring-opening metathesis polymerization (ED-ROMP) of cyclic bifunctional silyl ether-based monomers is reported. These polymers display good thermal stability and ultra-low Tg (−88 °C). Moreover, they are rapidly deconstructable via the cleavage of the silicon-oxygen linkages with acid or fluoride triggers, and they were partially depolymerizable by the addition of exogenous metathesis catalyst. Analysis of the deconstructed polymer products provided insight into the polymer microstructure, showing that the ED-ROMP process was regiorandom. Altogether, this work offers a new class of deconstructable polymers with a range of potential applications.

Graphical abstract: Orthogonally deconstructable and depolymerizable polysilylethers via entropy-driven ring-opening metathesis polymerization

Supplementary files

Article information

Article type
Communication
Submitted
13 Maijs 2022
Accepted
27 Jūn. 2022
First published
12 Jūl. 2022
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2022,58, 8496-8499

Orthogonally deconstructable and depolymerizable polysilylethers via entropy-driven ring-opening metathesis polymerization

A. M. Johnson, K. E. L. Husted, L. J. Kilgallon and J. A. Johnson, Chem. Commun., 2022, 58, 8496 DOI: 10.1039/D2CC02718F

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