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Physicochemical Properties and Catalytic Behavior of the Molecular Sieve SSZ-70

Archer, Raymond H. and Carpenter, John R. and Hwang, Son-Jong and Burton, Allen W. and Chen, Cong-Yan and Zones, Stacey I. and Davis, Mark E. (2010) Physicochemical Properties and Catalytic Behavior of the Molecular Sieve SSZ-70. Chemistry of Materials, 22 (8). pp. 2563-2572. ISSN 0897-4756. doi:10.1021/cm9035677.

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SSZ-70 is synthesized using 1,3-bis(isobutyl)imidazolium, 1,3-bis(cyclohexyl)imidazolium, and 1,3-bis(cycloheptyl)imidazolium structure directing agents (SDAs), and the solids obtained are characterized by powder X-ray diffraction (XRD), ^(29)Si magic angle spinning nuclear magnetic resonance (MAS NMR), electron microscopy, nitrogen and hydrocarbon adsorption, and thermogravimetric analyses. The physicochemical properties of SSZ-70 show that it is a new molecular sieve that has similarities to MWW-type materials. The catalytic behavior of SSZ-70 is evaluated through the use of the constraint index (CI) test. Distinct differences in the reactivity between Al-SSZ-70 and SSZ-25 (MWW) are observed and are the consequences of the structural differences between these two molecular sieves.

Item Type:Article
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URLURL TypeDescription DOIArticle
Hwang, Son-Jong0000-0002-3210-466X
Davis, Mark E.0000-0001-8294-1477
Additional Information:© 2010 American Chemical Society. Received November 24, 2009. Revised Manuscript Received February 9, 2010. Publication Date (Web): March 4, 2010. This work was supported by the Chevron Energy Technology Company. Electron microscopy was performed by I. Y. Chan and Tom Rea (Chevron Energy Technology Company). The NMR facility at Caltech was supported by the National Science Foundation (NSF) under Grant Number 9724240 and partially supported by the MRSEC Program of the NSF under Award Number DMR-0520565.
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Chevron Energy Technology CompanyUNSPECIFIED
Issue or Number:8
Record Number:CaltechAUTHORS:20100512-143356133
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Official Citation:Physicochemical Properties and Catalytic Behavior of the Molecular Sieve SSZ-70 Raymond H. Archer, John R. Carpenter, Son-Jong Hwang, Allen W. Burton, Cong-Yan Chen, Stacey I. Zones, Mark E. Davis Chemistry of Materials 2010 22 (8), 2563-2572
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18268
Deposited By: Tony Diaz
Deposited On:14 May 2010 23:10
Last Modified:08 Nov 2021 23:42

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