Efficient Polymerization and Selective Depolymerization of Poly(cyclopentene carbonate) Mediated Solely by Heterometallic Rare-Earth(III)/Zinc(II) Complexes DOI

Ziyue Deng,

Dan Yuan, Yingming Yao

et al.

Macromolecules, Journal Year: 2024, Volume and Issue: 57(21), P. 10041 - 10052

Published: Oct. 30, 2024

Poly(cyclopentenyl carbonate) (PCPC) is a recyclable polymer with great potential applications. However, the selective preparation of PCPC from cyclopentene oxide (CPO) and CO2 copolymerization chemical recycling back to original monomer CPO are challenge. In this work, it was found that heterometallic rare-earth metal(III)/Zn(II) complexes (RE(III)-Zn(II) complexes) supported by phenylenediamine-bridged triphenols could serve as highly active catalysts for give pure PCPC. Remarkably, same alone also promote depolymerization only simply raising reaction temperature up ca. 160 °C. The mechanisms were proposed.

Language: Английский

Immortal Depolymerization of Chemical Recycling of CO2-Sourced Poly (Cyclohexene Carbonate) to Monomers: An Overlooked Effect of Molecular Weight DOI

Q Wang,

Tingting Gao, Guowei Zhou

et al.

Polymer, Journal Year: 2025, Volume and Issue: unknown, P. 128204 - 128204

Published: Feb. 1, 2025

Language: Английский

Citations

0
Efficient Polymerization and Selective Depolymerization of Poly(cyclopentene carbonate) Mediated Solely by Heterometallic Rare-Earth(III)/Zinc(II) Complexes DOI

Ziyue Deng,

Dan Yuan, Yingming Yao

et al.

Macromolecules, Journal Year: 2024, Volume and Issue: 57(21), P. 10041 - 10052

Published: Oct. 30, 2024

Poly(cyclopentenyl carbonate) (PCPC) is a recyclable polymer with great potential applications. However, the selective preparation of PCPC from cyclopentene oxide (CPO) and CO2 copolymerization chemical recycling back to original monomer CPO are challenge. In this work, it was found that heterometallic rare-earth metal(III)/Zn(II) complexes (RE(III)-Zn(II) complexes) supported by phenylenediamine-bridged triphenols could serve as highly active catalysts for give pure PCPC. Remarkably, same alone also promote depolymerization only simply raising reaction temperature up ca. 160 °C. The mechanisms were proposed.

Language: Английский

Citations

0