期刊
MACROMOLECULES
卷 54, 期 4, 页码 1775-1782出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.1c00010
关键词
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资金
- Karlsruhe Institute of Technology (KIT) in the context of the BIFTM programs of the Helmholtz Association
- Australian Research Council (ARC) in the form of a Laureate Fellowship
- Queensland University of Technology (QUT)
- China Scholarship Council (CSC) [201504910677]
The synthesis of long-chain aliphatic metathesis polymers containing redox-responsive TMBQ units is introduced in this study. The on-demand degradation of the polymer into small molecules upon the addition of a reductant such as Na2S2O4 is demonstrated, with the cleaved TMBQ unit recovered with high purity for recyclable redox polymers. Additionally, redox polymers with tailored functional properties are obtained through postpolymerization modification of the olefinic backbone with bromine and pentafluorophenyl motifs, expanding the scope of possible applications.
We introduce the synthesis of long-chain aliphatic metathesis polymers containing trimethyl-locked benzoquinone (TMBQ) as a redox-responsive functional unit. Specifically, we demonstrate that this moiety, placed in each repeating unit within the polymer, enables the on-demand degradation of the polymer into small molecules upon the addition of a reductant such as Na2S2O4. Notably, the cleaved TMBQ unit is recovered with high purity, hereby facilitating the synthesis of recyclable redox polymers. Importantly, we expand the scope of possible applications by postpolymerization modification of the olefinic backbone with bromine and pentafluorophenyl motifs, affording redox polymers with tailored functional properties.
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