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SSZ-26 and SSZ-33: Two Molecular Sieves with Intersecting 10- and 12-Ring Pores

Lobo, Raul F. and Pan, Ming and Chan, Ignatius and Li, Hong-Xin and Medrud, Ronald C. and Zones, Stacey I. and Crozier, Peter A. and Davis, Mark E. (1993) SSZ-26 and SSZ-33: Two Molecular Sieves with Intersecting 10- and 12-Ring Pores. Science, 262 (5139). pp. 1543-1546. ISSN 0036-8075. doi:10.1126/science.262.5139.1543. https://resolver.caltech.edu/CaltechAUTHORS:20141210-085915197

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Abstract

The framework structures of two closely related molecular sieves, SSZ-26 and SSZ-33, are described. These materials possess a previously missing but desired structural feature in a group of industrially significant zeolites. They contain a three-dimensional pore system that provides access to the crystal interior through both 10- and 12-rings. This property is a consequence of the organic structure—directing agents used in the synthesis of these materials. These materials are examples of the purposeful design of a micropore architecture. Both SSZ-26 and SSZ-33 contain the 4=4–1 building unit that had been previously found only in natural zeolites.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.262.5139.1543DOIArticle
http://www.sciencemag.org/content/262/5139/1543PublisherArticle
http://www.jstor.org/stable/2882476JSTORArticle
ORCID:
AuthorORCID
Davis, Mark E.0000-0001-8294-1477
Additional Information:© 1993 American Association for the Advancement of Science. Received 7 July 1993; accepted 7 October 1993. We are grateful to Chevron Research and Technology Company for financial support. We thank W. P. Schaefer and R. E. Marsh for comments on the manuscript. We acknowledge D. E. Cox for assistance in collecting the synchrotron data. The XRD data were collected at X7A beam line, National Synchrotron Light Source, Brookhaven National Laboratory, which is supported by the Department of Energy, Division of Material Sciences and Division of Chemical Sciences. We also acknowledge the assistance of G. Zhang and G. Mondo, from Chevron Research and Technology Company, in collecting the synchrotron data. M.P. and P.A.C. were supported by the HREM Industrial Associates Program at Arizona State University. HREM work was done at the Center for HREM at Arizona State University supported by NSF grant DMR9115680.
Funders:
Funding AgencyGrant Number
Chevron Research and Technology Co.UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Arizona State UniversityUNSPECIFIED
NSFDMR9115680
Issue or Number:5139
DOI:10.1126/science.262.5139.1543
Record Number:CaltechAUTHORS:20141210-085915197
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141210-085915197
Official Citation:SSZ-26 and SSZ-33: Two Molecular Sieves with Intersecting 10- and 12-Ring Pores Raul F. Lobo, Ming Pan, Ignatius Chan, Hong-Xin Li, Ronald C. Medrud, Stacey I. Zones, Peter A. Crozier, and Mark E. Davis Science 3 December 1993: 262 (5139), 1543-1546. [DOI:10.1126/science.262.5139.1543]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52531
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Dec 2014 18:05
Last Modified:10 Nov 2021 19:42

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