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噻吩鎓盐在温和低毒条件下用于氧化还原聚合的新型氧化剂。

Thiophenium Salts as New Oxidant for Redox Polymerization under Mild- and Low-Toxicity Conditions.

机构信息

Université de Haute-Alsace, CNRS, IS2M UMR 7361, F-68100 Mulhouse, France.

Université de Strasbourg, F-67081, France.

出版信息

Molecules. 2023 Jan 7;28(2):627. doi: 10.3390/molecules28020627.

DOI:10.3390/molecules28020627
PMID:36677685
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9861688/
Abstract

In mild conditions (under air, room temperature, no monomer purification and without any energy activation), redox free radical polymerization (RFRP) is considered as one of the most effective methods to polymerize (meth)acrylate monomers. In the past several years, there has been a growing interest in research on the development of new redox initiating systems (RISs), thanks mainly to the evolution of toxicity labeling and the stability issue of the current RIS based on peroxide and aromatic amine. In this study, a new, low-toxicity RIS based on thiophenium salt as the oxidant species is presented with various reductive species. The reactivity and the stability of the proposed RISs are investigated and the synthesis of new thiophenium salts reported.

摘要

在温和条件下（在空气中、室温下、无需单体纯化且无需任何能量激活），氧化还原自由基聚合（RFRP）被认为是聚合（甲基）丙烯酸酯单体最有效的方法之一。在过去的几年中，由于毒性标签的演变以及基于过氧化物和芳香胺的当前 RIS 的稳定性问题，人们对开发新的氧化还原引发体系（RIS）越来越感兴趣。在这项研究中，提出了一种新型的、低毒性的基于噻吩鎓盐作为氧化剂的 RIS，具有各种还原物种。研究了所提出的 RIS 的反应性和稳定性，并报道了新的噻吩鎓盐的合成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/2f0d4192cd1e/molecules-28-00627-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/b5a33f0ed8ba/molecules-28-00627-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/0ef5aa0a824d/molecules-28-00627-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/2f0d4192cd1e/molecules-28-00627-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/44a5632908d5/molecules-28-00627-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/237b7f76079a/molecules-28-00627-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/5f5d1b62f78b/molecules-28-00627-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/b5a33f0ed8ba/molecules-28-00627-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/0ef5aa0a824d/molecules-28-00627-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e1ef/9861688/2f0d4192cd1e/molecules-28-00627-g013.jpg

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本文引用的文献

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New Pure Organic and Peroxide-Free Redox Initiating Systems for Polymerization in Mild Conditions.用于温和条件下聚合反应的新型纯有机无过氧化物氧化还原引发体系
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Rational Design of Efficient Amine Reductant Initiators for Amine-Peroxide Redox Polymerization.高效胺还原剂引发剂的合理设计用于胺过氧化物氧化还原聚合。
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