Studies on the Synthesis and Characterization of Ti-ZSM-11 and the Selective Oxidation of Styrene

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (4): 603.

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Studies on the Synthesis and Characterization of Ti-ZSM-11 and the Selective Oxidation of Styrene

ZHANG Fu-Shun, WU Zhi-Yun, ZHANG Chun-Lei, KAN Qiu-Bin

Department of Chemistry, Jilin University, Changchun, 130023

Received:1994-05-31 Revised:1994-11-15 Online:1995-04-24 Published:1995-04-24

Abstract

Abstract: Ti-ZSM-11 zeolite was synthesized by three different hydrothermal crystalline methods.The structure and properties were investigated by XRD,SEM,IR,TG-DTA, XPS, DRS. The results show that Ti⁴⁺occupies Tsite of the framework of the zeolite, The unit cell parameters and the intensity of the ～970 cm^-1band in IR spectra increase with in creasing Ti content,as well as the activity of the selective oxidation of styrene.At the active centres,the Ti(Ⅳ)are isolated from each other and form long sequences, not having other Ti(Ⅳ)as neighbours.The oxidative abilities of TS-2 are similar to three different porphyrins in their catalytic properties.

Key words: TS-2 zeolite, Synthesis and characterization, Styrene, Selective oxidation

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ZHANG Fu-Shun, WU Zhi-Yun, ZHANG Chun-Lei, KAN Qiu-Bin . Studies on the Synthesis and Characterization of Ti-ZSM-11 and the Selective Oxidation of Styrene[J]. Chem. J. Chinese Universities, 1995, 16(4): 603.

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Studies on the Synthesis and Characterization of Ti-ZSM-11 and the Selective Oxidation of Styrene

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