沸石
异丙苯
催化作用
单层
烷基化
苯
材料科学
选择性
化学工程
化学
有机化学
纳米技术
工程类
作者
Vicente J. Margarit,Marta E. Martínez‐Armero,M. Navarro,Cristina Martı́nez,Avelino Corma
标识
DOI:10.1002/ange.201506822
摘要
Abstract A two‐dimensional zeolite with the topology of MWW sheets has been obtained by direct synthesis with a combination of two organic structure‐directing agents. The resultant material consists of approximately 70 % single and double layers and displays a well‐structured external surface area of about 300 m 2 g −1 . The delaminated zeolite prepared by means of this single‐step synthetic route has a high delamination degree, and the structural integrity of the MWW layers is well preserved. The new zeolite material displayed excellent activity, selectivity, and stability when used as a catalyst for the alkylation of benzene with propylene and found to be superior to the catalysts that are currently used for producing cumene.
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