N,N,N,N ',N ',N '-HEXAMETHYLPENTANEDIAMMONIUM-MWW LAYERED PRECURSOR: A REACTION INTERMEDIATE IN THE SYNTHESIS OF ZEOLITES TNU-9 AND EU-1
SCIE
SCOPUS
- Title
- N,N,N,N ',N ',N '-HEXAMETHYLPENTANEDIAMMONIUM-MWW LAYERED PRECURSOR: A REACTION INTERMEDIATE IN THE SYNTHESIS OF ZEOLITES TNU-9 AND EU-1
- Authors
- Shin, J; Hong, SB
- Date Issued
- 2009-08
- Publisher
- ELSEVIER SCIENCE BV
- Abstract
- It is found that the layered precursor of a medium-pore zeolite MCM-22, frequently referred as MCM-22(P), which was initially formed in the presence of a flexible, linear diquaternary cation, N,N,N,N',N',N'-hexamethylpentanediammonium (Met(6)-diquat-5), and Na+ is a reaction intermediate in the synthesis of another two medium-pore zeolites TNU-9 and EU-1. The overall results of this study reveal that the crystallization of the latter two zeolites under hydrothermal conditions at the expense of the Me-6-diquat-5/MCM-22(P) composite material depends not only on the concentration of alkali metal cations in synthesis mixtures, but also on their type. (C) 2009 Elsevier Inc. All rights reserved.
- Keywords
- Zeolites TNU-9 and EU-1; Synthesis; Me(6)-diquat-5; MCM-22(P) layered precursor; STRUCTURE-DIRECTING AGENTS; CATALYTIC-PROPERTIES; MCM-22; TOPOLOGY; SSZ-25; ANALOG
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/28435
- DOI
- 10.1016/j.micromeso.2009.04.033
- ISSN
- 1387-1811
- Article Type
- Article
- Citation
- MICROPOROUS AND MESOPOROUS MATERIALS, vol. 124, no. 39816, page. 227 - 231, 2009-08
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