CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL

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LI X.D.; ZHAI Q.Z.

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Paper Information

Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2011 | Volume:8 | Issue:SUPPLEMENT Page(s): 1-8

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Title

CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL

Author(s)

LI X.D. | ZHAI Q.Z. | Issue Writer Certificate

Keywords

NANOSCALE MCM-41 MOLECULAR SIEVE

HYDROTHERMAL SYNTHESIS

METHYLATION

TRIMETHYLCHLOROSILANE

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.

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APA: Copy

LI, X.D., & ZHAI, Q.Z.. (2011). CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 8(SUPPLEMENT), 1-8. SID. https://sid.ir/paper/282554/en

Vancouver: Copy

LI X.D., ZHAI Q.Z.. CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2011;8(SUPPLEMENT):1-8. Available from: https://sid.ir/paper/282554/en

IEEE: Copy

X.D. LI, and Q.Z. ZHAI, “CHARACTERIZATION OF METHYLATED NANOSCALE MCM-41 MATERIAL,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 8, no. SUPPLEMENT, pp. 1–8, 2011, [Online]. Available: https://sid.ir/paper/282554/en

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