具有可调孔隙率的咪唑官能化超交联聚合物,用于精油的高效去腐作用

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL Industrial & Engineering Chemistry Research Pub Date : 2024-10-30 DOI:10.1021/acs.iecr.4c02899
Yi Chen, Cong Zhao, Yanting Huang, Hui Zhang, Wanmei Li, Yuqi Ke
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引用次数: 0

摘要

由于不同成分的分子结构一致且性质相似,很难设计出能够同时捕获不同成分的吸附剂,这阻碍了多成分天然产物的高效分离。在我们的研究中,开发了一系列咪唑官能化超交联聚合物,通过调整单体和交联剂的摩尔比以及交联剂长度和刚性的变化,显著改变了多孔质地和氮含量。由于聚合物具有可利用的孔隙率和丰富的吸附位点,因此吸附速度快,对柠檬醛和芳樟醇的吸附容量分别为 313 毫克/克-1 和 281 毫克/克-1,氧杂环烯/杂环烯选择性为 2.3。它们具有有效的液体突破性能和快速再生能力,在实际的去萜应用中表现出了相当大的潜力。这项研究为控制离子多孔聚合物的孔结构和化学性质提供了启示,使其有可能应用于分离具有类似结构的珍贵天然产品。
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Imidazolium-Functionalized Hypercrosslinked Polymers with Tunable Porosity for Efficient Deterpenation of Essential Oils
The efficient separation of multicomponent natural products is hindered by the difficulty in designing adsorbents capable of capturing different components simultaneously owing to their aligned molecular structures and comparable properties. In our study, a series of imidazolium-functionalized hypercrosslinked polymers were developed, and the porous texture and nitrogen content were notably altered by adjusting the molar ratio between the monomer and crosslinker, alongside variations in the length and rigidity of the crosslinkers. Owing to the accessible porosities and abundant adsorption sites, the polymers displayed a rapid adsorption rate and high capacities of 313 mg·g–1 for citral and 281 mg·g–1 for linalool, with an oxyterpene/terpene selectivity of 2.3. Featuring an effective liquid breakthrough performance and rapid regeneration capabilities, they demonstrated considerable potential for practical deterpenation applications. This study may provide insights into controlling the pore structure and chemistry of ionic porous polymers, potentially enabling their application in separating valuable natural products with similar structures.
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
期刊最新文献
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