Bifunctional and recyclable polyesters by chemoselective ring-opening polymerization of a δ-lactone derived from CO2 and butadiene

Jinbo Zhang, Lihang Jiang, Shaofeng Liu (), Junhao Shen, Pierre Braunstein (), Yong Shen, Xiaohui Kang () and Zhibo Li ()
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Jinbo Zhang: Qingdao University of Science and Technology
Lihang Jiang: Dalian Medical University
Shaofeng Liu: Qingdao University of Science and Technology
Junhao Shen: Qingdao University of Science and Technology
Pierre Braunstein: Université de Strasbourg
Yong Shen: Qingdao University of Science and Technology
Xiaohui Kang: Dalian Medical University
Zhibo Li: Qingdao University of Science and Technology

Nature Communications, 2024, vol. 15, issue 1, 1-12

Abstract: Abstract When aiming at the direct use of CO2 for the preparation of advanced/value-added materials, the synthesis of CO2/olefin copolymers is very appealing but challenging. The δ-lactone 3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one (EVP), synthesized by telomerization of CO2 with 1,3-butadiene, is a promising monomer. However, its chemoselective ring-opening polymerization (ROP) is hampered by unfavorable thermodynamics and the competitive polymerization of highly reactive C=C double bonds under usual conditions. Herein, we report the chemoselective ROP of EVP using a phosphazene/urea binary catalyst, affording exclusively a linear unsaturated polyester poly(EVP)ROP, with a molar mass (Mn) up to 16.1 kg·mol−1 and a narrow distribution (Ð

Date: 2024
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DOI: 10.1038/s41467-024-52090-2

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