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Further investigations on the synthesis of pure-silica molecular sieves via the use of organic structure-directing agents

Tsuji, K. and Davis, M. E. (1997) Further investigations on the synthesis of pure-silica molecular sieves via the use of organic structure-directing agents. Microporous Materials, 11 (1-2). pp. 53-64. ISSN 0927-6513. https://resolver.caltech.edu/CaltechAUTHORS:20170811-091545178

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Abstract

Several organic structure-directing agents (SDAs) that are variations of a 4,4′-trimethylenebis(N-methyl, N-R_1-piperidinium) moiety were synthesized and used for the synthesis of pure-silica molecular sieves. Pure-silica MTW, MFI, BEA and the MCM-41-type mesoporous materials could be prepared by changing only the R_1 group. When R_1 was pentyl or hexyl, MFI was crystallized, suggesting that each SDA molecule spans two channel intersections. For R_1 groups smaller than pentyl, MTW was formed. Pure-silica BEA could easily be prepared when R_1 was benzyl or cyclohexylmethyl. Numerous variations of the organics used to crystallize BEA were explored and the features necessary to structure direct the formation of BEA elucidated. When R_1 was either octyl or nonyl, the MCM-41-type mesoporous materials were formed, indicating that these organics can act as surfactants. The results presented provide further evidence that organic molecules can serve as structure-directing agents for the synthesis of pure-silica molecular sieves.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/S0927-6513(97)00024-2DOIArticle
http://www.sciencedirect.com/science/article/pii/S0927651397000242PublisherArticle
ORCID:
AuthorORCID
Davis, M. E.0000-0001-8294-1477
Additional Information:© 1997 Elsevier Science B.V. Received 12 December 1996, Accepted 13 March 1997, Available online 2 April 1998. Financial support of this work has been provided by the Chevron Research and Technology Company. We thank Stacey Zones for many helpful discussions.
Funders:
Funding AgencyGrant Number
Chevron Research and Technology CompanyUNSPECIFIED
Subject Keywords:Synthesis; Organic-inorganic composites; Pure-silica zeolites; Mesoporous materials
Issue or Number:1-2
Record Number:CaltechAUTHORS:20170811-091545178
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170811-091545178
Official Citation:K. Tsuji, M.E. Davis, Further investigations on the synthesis of pure-silica molecular sieves via the use of organic structure-directing agents, Microporous Materials, Volume 11, Issues 1–2, August 1997, Pages 53-64, ISSN 0927-6513, https://doi.org/10.1016/S0927-6513(97)00024-2. (http://www.sciencedirect.com/science/article/pii/S0927651397000242)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:80288
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:11 Aug 2017 18:35
Last Modified:09 Mar 2020 13:18

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