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Catalytic carpets: [email protected]@electrospun PCL, a surprisingly active and robust hydrogenation catalyst
Journal of Catalysis ( IF 7.3 ) Pub Date : 2018-02-15 , DOI: 10.1016/j.jcat.2018.01.018
Karen Leus , Chidharth Krishnaraj , Luca Verhoeven , Véronique Cremers , Jolien Dendooven , Ranjith K. Ramachandran , Peter Dubruel , Pascal Van Der Voort

Metal Organic Frameworks (MOFs) have been explored widely to create heterogeneity in a catalytic system. Catalytic applications require the use of stable catalysts with no leaching and easy recovery. In this regard, [email protected] is embedded in a poly-є-caprolactone (PCL) matrix by means of electrospinning to create a “catalytic carpet” which is highly efficient and can be recovered within seconds after catalysis. The obtained composite material is completely intact with a homogeneous distribution of the [email protected] throughout the electrospun PCL fiber matrix. The catalytic carpet was examined in the hydrogenation of cyclohexene and full conversion was obtained in just 90 min. Remarkably, a very large fraction (>65%) of the total Pt-atoms participate in the reaction. Reusability tests showed that the material could be recycled for at least 4 runs without detectable Cr and Pt leaching displaying the durability of the catalytic carpets. Complete recovery is achieved with zero weight loss while fully preserving the crystalline structure.



中文翻译:

催化地毯:[防静电保护] @electrospun PCL,一种出奇的活性和强大的加氢催化剂

金属有机骨架(MOF)已被广泛研究以在催化体系中产生异质性。催化应用需要使用稳定的催化剂,且不得浸出且易于回收。在这方面,[电子邮件保护]通过静电纺丝嵌入聚ε-己内酯(PCL)基质中,以形成高效的“催化毯”,并且可以在催化后几秒钟内将其回收。所获得的复合材料是完整无缺的,在整个电纺PCL纤维基质中[受电子邮件保护]均匀分布。在环己烯的氢化过程中检查了催化毯,仅在90分钟内就获得了完全转化。值得注意的是,全部Pt原子中有很大一部分(> 65%)参与了反应。可重复使用性测试表明,该材料至少可循环使用4次,而没有可检测到的Cr和Pt浸出,显示了催化毯的耐用性。零重量损失实现了完全恢复,同时完全保留了晶体结构。

更新日期:2018-02-15
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