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Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   FEBRUARY 2011 , Volume 8 , Number SUPPLEMENT; Page(s) 1 To 8.
 
Paper: 

CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL

 
 
Author(s):  LI X.D., ZHAI Q.Z.*
 
* RESEARCH CENTER FOR NANOTECHNOLOGY, CHANGCHUN UNIVERSITY OF SCIENCE AND TECHNOLOGY, CHANGCHUN 130022, P.R. CHINA
 
Abstract: 

In this study, nanoscale MCM-41 molecular sieve was prepared under a basic condition by a hydrothermal method using cetyltrimethylammonium bromide as a template and tetraethyl orthosilicate as a silica source. Methylated nanoscale MCM-41 molecular sieve was prepared from the nanoscale MCM-41 by post-synthesis method using trimethylchlorosilane (TMCS) as coupling agent. The product was characterized by means of element analysis, powder X-ray diffraction, Fourier transform infrared (FT-IR) spectroscopy, low-temperature nitrogen adsorption-desorption technique at 77 K, scanning electron microscopic (SEM), thermogravimetry-differential thermal analysis (TG-DTA). Powder XRD showed that the framework of the molecular sieve was well retained and the degree of ordering of the methylated MCM-41 decreases. IR spectra and the low-temperature nitrogen adsorption-desorption technique suggested that methyl was successfully grafted to the inner surface of the methylated MCM-41 and the mesoporous channels of the methylated MCM-41 were still maintained. Scanning electron microscopic results showed that the average size of the methylated MCM-41 prepared was 112 nm. Differential thermal analysis showed that the prepared material has preferable thermal stability and the methylated MCM-41 can be stable at 903oC.

 
Keyword(s): NANOSCALE MCM-41 MOLECULAR SIEVE, HYDROTHERMAL SYNTHESIS, METHYLATION, TRIMETHYLCHLOROSILANE
 
 
References: 
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Citations: 
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APA: Copy

LI, X., & ZHAI, Q. (2011). CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 8(SUPPLEMENT), 1-8. https://www.sid.ir/en/journal/ViewPaper.aspx?id=192640



Vancouver: Copy

LI X.D., ZHAI Q.Z.. CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS). 2011 [cited 2021July28];8(SUPPLEMENT):1-8. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=192640



IEEE: Copy

LI, X., ZHAI, Q., 2011. CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), [online] 8(SUPPLEMENT), pp.1-8. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=192640.



 
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