Organic-functionalized molecular sieves silicoaluminophosphates with AFI and AEL topologies have been first hydrothermally synthesized by using 1,4-bis(triethoxysilyl) benzene (BTEB) as unique silicon source. Various techniques have been performed to characterize the structures of the two molecular
Synthesis and characterization of SAPO-11 molecular sieves from alcoholic systems
โ Scribed by Wang, Zheming ;Tian, Zhijian ;Wen, Guodong ;Teng, Fei ;Xu, Yunpeng ;Xu, Zhusheng ;Lin, Liwu
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 297 KB
- Volume
- 88
- Category
- Article
- ISSN
- 0133-1736
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Silicon-rich SAPO-44 molecular sieve was synthesized using cyclohexylamine as ternplating agent and the material was characterized by various physico-chemical techniques. Isomorphous substitution of silicon for Al-P pairs was observed as the major substitution mechanism. 2pSi magic angle spinning nu
The full crystallization of the aluminophosphate form of the AFO (A1PO4-41) structure was realized, for the first time, from non-aqueous systems involving an alcohol as the solvent. Several secondary amines including diethylamine, dipropylamine, diisopropylamine, dibutylamine and dipentylamine were