A cascade strategy towards the direct synthesis of green polyesters with versatile functional groups

The synthesis of polyesters with the desired functional groups without additional protection and deprotection steps remains a worthwhile challenge to polymer chemists. Herein, we put forward a solution for the direct preparation of green copolyesters with versatile functionalities via the cascade po...

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Bibliographic Details
Published in:Polymer chemistry 2021-10, Vol.12 (41), p.622-629
Main Authors: Wan, Xueting, Jiang, Jian, Tu, Yanyan, Xu, Siyuan, Li, Jing, Lu, Huanjun, Li, Zhikai, Xiong, Lianhu, Li, Xiaohong, Zhao, Youliang, Tu, Yingfeng
Format: Article
Language:English
Subjects:
Alkanes
Alkynes
Biodegradability
Chemists
Condensation polymerization
Copolymers
Coupling (molecular)
Diols
Functional groups
Polyester resins
Polyesters
Polymer chemistry
Polymerization
Ring opening polymerization
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Summary:The synthesis of polyesters with the desired functional groups without additional protection and deprotection steps remains a worthwhile challenge to polymer chemists. Herein, we put forward a solution for the direct preparation of green copolyesters with versatile functionalities via the cascade polycondensation-coupling ring-opening polymerization (PROP) using a biobased cyclic diester ethylene brassylate as the monomer and functional diols/polyether diols as initiators. The combination of two polymerization processes into one system enables the facile synthesis of biodegradable polyesters with versatile functionalities, including alkane, alkene, alkyne, aromatic, halide, ether, and amide functional groups, and poly(ether ester) multiblock copolymers, together with high functional group contents (50% molar ratio to brassylate) and relatively high molecular weights (up to 6 × 10 4 Da). The cascade strategy provides a feasible method for the synthesis of high functional group content polyesters with tailor-made properties, highly effective for post-modifications that are suitable for a variety of applications. The cascade coupling of ROP and CP enables the facile synthesis of high functional group content biodegradable polyesters.
ISSN:1759-9954
1759-9962
DOI:10.1039/d1py01124c