Synthesis of MCM-41 molecular sieves in the presence of dialkyl dimethyl ammonium salts
Conference
·
OSTI ID:126747
- Universite Laval, Ste-Foy (Canada)
In the synthesis of MCM-41 mesoporous molecular sieves the chain length of the surfactant template plays a major role in determining the pore dimensions of the resulting material. The effect of the bulkiness of quaternary ammonium template on the pore size of mesoporous silicates has been studied using various dialkyl dimethyl ammonium bromide salts. These templates were prepared by refluxing long chain N,N-dimethyl alkyl amines and bromo alkanes for 24 h. The obtained silicates were characterized by various techniques including XRD, nitrogen and benzene adsorption, FTIR, {sup 29}Si MAS NMR and electron microscopy. The relationship between the length of both alkyl groups and the pore size of the material will be presented.
- OSTI ID:
- 126747
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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