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Reactions of meta-Diisopropylbenzene on Acid Molecular Sieves

Kim, Man-Hoe and Chen, Cong-Yan and Davis, Mark E. (1993) Reactions of meta-Diisopropylbenzene on Acid Molecular Sieves. In: Selectivity in Catalysis. ACS Symposium Series. No.517. American Chemical Society , Washington, DC, pp. 222-232. ISBN 9780841225190.

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Meta-diisopropylbenzene is reacted with propylene over the acid form of the molecular sieves SAPO-5, mordenite, offretite, beta, hexagonal and cubic faujasite (EMT and FAU), L, SAPO-37, and an amorphous silica-alumina at temperatures around 463 K in a flow-type fixed-bed reactor. A small amount of cracking is observed. However, the main reactions of meta-diisopropylbenzene are isomerization and alkylation. It is proposed that this alkylation can be used as a new test reaction to characterize the effective size of the voids in larger pore (12 T-atom rings or above) molecular sieves by measuring the weight ratio of 1,3,5- to 1,2,4-triisopropylbenzene formed. In most cases, this ratio increases with the increasing effective void size of the molecular sieves in the order: SAPO-5 < mordenite < offretite < beta < EMT = FAU < L < SAPO-37 < amorphous silica-alumina.

Item Type:Book Section
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Davis, Mark E.0000-0001-8294-1477
Additional Information:© 1993 American Chemical Society. Received September 9, 1992. Published in print 5 May 1993. We thank the Akzo America, Inc. for the financial support of this work.
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Series Name:ACS Symposium Series
Issue or Number:517
Record Number:CaltechAUTHORS:20180405-131939450
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Official Citation:Reactions of meta-Diisopropylbenzene on Acid Molecular Sieves Man-Hoe Kim, Cong-Yan Chen, and Mark E. Davis Selectivity in Catalysis. May 5, 1993 , 222-232 DOI:10.1021/bk-1993-0517.ch015
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85646
Deposited By: Ruth Sustaita
Deposited On:05 Apr 2018 20:33
Last Modified:15 Nov 2021 20:30

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