绿色合成琥珀酸聚酯的现状与展望

IF 1.8 4区 工程技术 Q3 ENGINEERING, CHEMICAL
Fernando Elias Gucker, Claudia Sayer, Débora de Oliveira, Pedro H. Hermes de Araújo, Bruno Francisco Oechsler
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引用次数: 1

摘要

聚丁二酸丁二烯(PBS)和其他丁二酸(co)聚酯是可生物降解的聚合物,具有良好的机械和热性能,在许多应用中都有应用。由于对环境的关注,基于琥珀酸(SA)的聚合物越来越受到关注,因为SA可以通过生物技术过程生产。因此,本文综述了PBS和其他琥珀酸共聚酯的合成及其特性,重点介绍了金属催化剂和酶的研究进展。此外,还讨论了共聚或后聚合对大分子结构的修饰。目前,这些材料的合成通常采用金属催化剂,在高温条件下,有利于热降解的发生,增加了链长分布的分散性。此外,由于毒性要求,金属催化剂在高分子材料中的结壳使其在生物医学产品中的应用变得困难。在这种情况下,酶催化正在取得进展,提供较温和的合成温度,高选择性和合成产物的均匀性。这种生物技术路线可以在未来的工业过程中用金属催化代替低聚过程,生产出无金属污染的材料。除了通过催化途径生产外,还介绍了琥珀酸(co)聚酯的未来应用趋势,重点是增值材料部门。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Current Status and Perspectives on the Green Synthesis of Succinic Polyesters for Value-Added Applications

Current Status and Perspectives on the Green Synthesis of Succinic Polyesters for Value-Added Applications

Polybutylene succinate (PBS) and other succinic (co)polyesters are biodegradable polymers with favorable mechanical and thermal properties that find use in many applications. Due to environmental concerns, polymers based on succinic acid (SA) have been gaining attention, as SA can be produced through biotechnological processes. Thus, this review aims to highlight the synthesis and characteristics of PBS and other succinic copolyesters, with emphasis in the works employing metallic catalysts and enzymes. In addition, the modification of the macromolecular structure by copolymerization or postpolymerization is also discussed. Currently, metallic catalysts are normally used in the synthesis of these materials, under conditions of high temperatures, which can favor the occurrence of thermal degradation, increasing the dispersion of chain length distributions. Moreover, the incrustation of metallic catalysts in polymeric materials makes their application in biomedical products difficult, due to toxicity requirements. In this context, enzymatic catalysis is gaining ground, offering milder synthesis temperatures, high selectivity, and uniformity of synthesized products. This biotechnological route can substitute oligomerization processes with metallic catalysis in future industrial processes, producing materials free from metallic contamination. In addition to production by catalytic routes, trends for future applications of succinic (co)polyesters are presented, with emphasis on the value-added materials sectors.

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来源期刊
Macromolecular Reaction Engineering
Macromolecular Reaction Engineering 工程技术-高分子科学
CiteScore
2.60
自引率
20.00%
发文量
55
审稿时长
3 months
期刊介绍: Macromolecular Reaction Engineering is the established high-quality journal dedicated exclusively to academic and industrial research in the field of polymer reaction engineering.
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