Larry W. Beck , Ping Lu , William P. Weber , Mark E. Davis
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Investigation of organosilanes as structure-directing agents in zeolite synthesis
MFI-type zeolites are synthesized with N-trimethoxysilylpropyl-N,N,N-trialkylammonium (TAASi) salts using the composition SiO2:0.1TAASiBr:0.25NaOH:40 H2O (molar ratios). Prehydrolysis of the organosilane precursor is necessary for zeolite formation. Quantitative NMR spectra show that the majority of the organsilicon carbon-silicon bonds are cleaved in the as-synthesized zeolite.
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