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- W2031841932 abstract "Abstract Al-MCM-41 samples with various Si/Al ratios were prepared and then used to disproportionate methyltrichlorosilane (MTS) to produce dichlorodimethylsilane (DMCS). The catalysts were characterized by FT-IR, X-ray powder diffraction (XRD), 27Al magic angle spinning nuclear magnetic resonance (27Al MAS NMR), inductively coupled plasma atomic emission spectroscopy (ICP-AES), and N2 absorption–desorption. It reveals that all samples show the hexagonal structure of MCM-41 and exhibit large BET surface areas (over 842 m2·g−1). FT-IR spectra of pyridine adsorption demonstrates that Al-MCM-41 samples have Lewis (L) and Bronsted (B) acidic sites, and the B acidic sites are stable in the temperature ranging from 423 to 623 K. The effects of aluminum content and temperature on the disproportionation reaction were also investigated. The results show that the Al-MCM-41 with the Si/Al ratio of 15:1 exhibits an excellent activity with 100% conversion of MTS and 47% selectivity of DMCS at 623 K under atmospheric p..." @default.
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- W2031841932 date "2012-07-20" @default.
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- W2031841932 title "Catalytic Disproportionation of Methyltrichlorosilane by AL-MCM-41 to Prepare Dichlorodimethylsilane" @default.
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- W2031841932 doi "https://doi.org/10.1080/10426507.2012.680082" @default.
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