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题名: Synthesis and catalytic performances of mesoporous aluminosilicates of cubic and hexagonal structure with stronger acid sites
作者: Li, G;  Kan, QB;  Wu, TH;  Hou, CM;  Huang, JH;  Wu, SJ;  Li, C
关键词: mesoporous materials ;  cubic and hexagonal structure ;  acidity ;  alkylation
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2002-06-01
卷: 23, 期:6, 页:1171-1173
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Mesoporous aluminosilicates with cubic and hexagonal structure have been synthesized by structure units of beta-zeolite in a two-step crystallization process and characterized by XRD, IR, N-2 physical adsorption and desorption, Al-27 MAS NMR and NH3-TPD techniques. The results show that MB48(25) and MB41(25) were similar to MCM-48 and MCM-41 on the long-range structure respectively and MB48 with a cubic, structure can be synthesized. under the condition of a lower n(CTMAB)/n(SiO2) ratio. HMB48 (25) and HMB41 (25) exhibit a stronger acidic strength than conventional HMCM-41. The catalytic activity of HMB48(25) was the highest for cumene cracking and alkylation of 2,4-tert-butylphenol with tert-butylalcohol.
关键词[WOS]: MOLECULAR-SIEVES ;  COMPOSITES ;  ZEOLITE
语种: 英语
WOS记录号: WOS:000176272300049
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139197
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Jilin Univ, Coll Chem, Changchun 130023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Li, G,Kan, QB,Wu, TH,et al. Synthesis and catalytic performances of mesoporous aluminosilicates of cubic and hexagonal structure with stronger acid sites[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2002,23(6):1171-1173.
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