Studies on Protonation of Template Molecule Tetramethylethylenediamine Trapped in Zeolite ZSM-35,ZSM-5 and Mordenite

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (2): 168.

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Studies on Protonation of Template Molecule Tetramethylethylenediamine Trapped in Zeolite ZSM-35,ZSM-5 and Mordenite

LONG Ying-Cai¹, ZHU Mei¹, SUN Yao-Jun², WU Tai-Liu², WANG Li-Ping², FEI Lun²

1. Dept.of Chem., Fudan University, Shanghai, 200433;
2. Center of Analysis and Measurement, Fudan University

Received:1993-04-27 Revised:1993-09-15 Online:1994-02-24 Published:1994-02-24

Abstract

Abstract: The protonation of template molecule of tetramethylethylene-diamine( TMEDA) trapped in the channels of zeolite ZSM-35, ZSM-5 and mordenite was studied by using ¹³C CP MAS NMR and chemical analysis.Aresonance peaks at δ=34-37 ppm in ¹³C spectra can be assigned to the template molecule of TMEDA with one side protonated,which orderly locates at the main channels.The proton is close to-CH₃ group,and far away from-C₂H₄-group.

Key words: Template molecule, TMEDA, Protonation, High silica zeolites, ¹³C CP MAS NMR

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LONG Ying-Cai, ZHU Mei, SUN Yao-Jun, WU Tai-Liu, WANG Li-Ping, FEI Lun. Studies on Protonation of Template Molecule Tetramethylethylenediamine Trapped in Zeolite ZSM-35,ZSM-5 and Mordenite[J]. Chem. J. Chinese Universities, 1994, 15(2): 168.

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Studies on Protonation of Template Molecule Tetramethylethylenediamine Trapped in Zeolite ZSM-35,ZSM-5 and Mordenite

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