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Citation: Zhai Shang-Ru, Pu Min, Zhang Ye, Wu Dong, Sun Yu-Han. High-Yield Synthesis of MCM-48 Using Mixed Surfactants and Adjusting pH Route[J]. Acta Physico-Chimica Sinica, ;2003, 19(02): 167-170. doi: 10.3866/PKU.WHXB20030216 shu

High-Yield Synthesis of MCM-48 Using Mixed Surfactants and Adjusting pH Route

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan　030001

Received Date: 7 May 2002
Available Online: 15 February 2003

Using mixed surfactants cetyltrimethylammonium bromide (CTAB) and Triton X-100 (TX-100) as co-template and tetraethylorthosilicate (TEOS) as silica source,MCM-48 molecular sieves were hydrothermally prepared. The yields of MCM-48 molecular sieves could be considerably increased by adjusting pH of the solutions which had been statically crystallized for three days, at the same time the utilizing efficiency of the mixed surfactants was much higher than that of only CTAB as template.
- MCM-48 molecular sieve;Yields;Mixed surfactan
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