取代 δ-内酯的来源、热力学和开环（共）聚合：综述,Polymer Chemistry

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取代 δ-内酯的来源、热力学和开环（共）聚合：综述
Polymer Chemistry ( IF 4.1 ) Pub Date : 2023-07-26 , DOI: 10.1039/d3py00657c
Peter McMichael ₁ , Xavier Schultze ₂ , Henri Cramail ₁ , Frédéric Peruch ₁

Affiliation

由于利用化石资源大量生产聚合物以及由此产生的废物管理和环境污染问题，环境问题不断升级。随着对更可持续聚合物的需求增加，对环酯开环聚合以获得脂肪族聚酯的研究有所增加，脂肪族聚酯是一类具有良好机械性能、潜在生物降解性和生物相容性的相关聚合物。其中，取代的 δ-内酯是有趣的构建单元，因为这些单体中的大量可以是生物基的，并具有其他内酯所缺乏的特定性能。由于不利的 ROP 热力学参数，δ-内酯的聚合具有挑战性。然而，各种（共）聚酯已由这些内酯合成，在药物输送或热塑性弹性体中具有有价值的应用。本综述重点讨论如何获得这些内酯、它们特定的热力学参数以及用于进行开环（共）聚合的不同催化体系，例如有机催化剂、碱金属或金属络合物。通过深入了解取代δ-内酯的合成和聚合，本综述旨在探索具有改进性能和最小环境影响的可持续聚酯。用于进行开环（共）聚合的碱金属或金属络合物。通过深入了解取代δ-内酯的合成和聚合，本综述旨在探索具有改进性能和最小环境影响的可持续聚酯。用于进行开环（共）聚合的碱金属或金属络合物。通过深入了解取代δ-内酯的合成和聚合，本综述旨在探索具有改进性能和最小环境影响的可持续聚酯。

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Sourcing, thermodynamics, and ring-opening (co)polymerization of substituted δ-lactones: a review

Environmental concerns have escalated due to the extensive production of polymers from fossil resources and the resultant issues in waste management and environmental pollution. With the increased demand for more sustainable polymers, studies on the ring-opening polymerization of cyclic esters to obtain aliphatic polyesters, a relevant class of polymers with good mechanical performance, potential biodegradation and biocompatibility, have increased. Among them, substituted δ-lactones are interesting building blocks since a significant number of these monomers can be biobased and bring specific properties lacking in other lactones. Due to unfavorable ROP thermodynamic parameters, the polymerization of δ-lactones is challenging. However, various (co)polyesters have been synthesized from these lactones leading to valuable applications in drug delivery or thermoplastic elastomers. This review focuses on how to obtain these lactones, their particular thermodynamic parameters and different catalytic systems such as organocatalysts, alkali metals or metal complexes used to perform their ring-opening (co)polymerization. By providing an in-depth understanding of the synthesis and polymerization of substituted δ-lactones, this review aims to explore sustainable polyesters with improved properties and minimal environmental impact.

更新日期：2023-07-26

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