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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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mcm-48中孔分子筛的合成
DOI: 10.3969/j.issn.1671-7627.2006.01.020, PP. 89-92
Keywords: mcm-48,中孔分子筛,水热法,重复性,有序性
Abstract:
在文献报道的水热法合成mcm-48中孔分子筛的基础上,针对在不同时期合成mcm-48合成重复性不好的问题,系统地考察了滴加正硅酸乙酯(teos)时溶液的温度,发现在溶液温度为20℃时滴加teos时配制的合成液能合成出有序性较高的mcm-48,并考察了焙烧温度及气氛对合成mcm-48中孔分子筛的影响,通过xrd、tg/dsc等对合成的产物进行了表征.
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