由超分子RAFT聚合驱动的自组装策略:假紫杉烷和纳米片

IF 5.5 1区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Xiaowei Wang, Jiayi Zhang, Jiajun Qu, Jun Li, Anchao Feng, Jun Liu
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引用次数: 0

摘要

本研究探讨了利用超分子RAFT聚合技术,通过β-环糊精(β-CD)与链转移剂(CTA) S,S ' -双(α,α ' -二甲基乙酸)三硫代碳酸酯(BDAAT)之间的主客体相互作用,高效合成假环紫荆烷和功能纳米片。β-CD@BDAAT配合物的形成显著提高了CTA的水溶性,从而提高了N,N-二甲基丙烯酰胺(DMA)的聚合速率,并生成了定义明确的伪烷结构。在水聚合诱导自组装(PISA)过程中,这种超分子方法能够快速制造功能纳米片,将所需时间从一周减少到仅5小时。β-CD提供的非共价支持对于稳定层状纳米片组装至关重要,而主客体竞争实验也证明了非共价组装结构的形态可调性。这项研究强调了超分子RAFT聚合的多功能性,为在水介质中快速高效地生产复杂纳米结构提供了一种有前途的策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Self-assembly Strategies Driven by Supramolecular RAFT Polymerization: Pseudorotaxanes and Nanosheets

This study explores the use of supramolecular RAFT polymerization for the efficient synthesis of pseudorotaxanes and functional nanosheets through the host-guest interaction between β-cyclodextrin (β-CD) and the chain transfer agent (CTA) S,S’-bis(α,α’-dimethylacetic acid) trithiocarbonate (BDAAT). The formation of the β-CD@BDAAT complex significantly improves the water solubility of the CTA, thereby increasing the polymerization rate for N,N-dimethylacrylamide (DMA) and generating well-defined pseudorotaxane structure. In the process of aqueous polymerization-induced self-assembly (PISA), this supramolecular approach enables the rapid fabrication of functional nanosheets, reducing the required time from one week to just 5 h. The non-covalent support provided by β-CD is crucial for stabilizing the layered nanosheet assembly, while host-guest competition experiments also demonstrate the tunability of the morphology of non-covalently assembled structures. This study highlights the versatility of supramolecular RAFT polymerization, offering a promising strategy for the rapid and efficient production of complex nanostructures in aqueous media.

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来源期刊
Chinese Journal of Chemistry
Chinese Journal of Chemistry 化学-化学综合
CiteScore
8.80
自引率
14.80%
发文量
422
审稿时长
1.7 months
期刊介绍: The Chinese Journal of Chemistry is an international forum for peer-reviewed original research results in all fields of chemistry. Founded in 1983 under the name Acta Chimica Sinica English Edition and renamed in 1990 as Chinese Journal of Chemistry, the journal publishes a stimulating mixture of Accounts, Full Papers, Notes and Communications in English.
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