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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 3
BKCSDE 22(3)
March 20, 2001

Title	Acidity Effect on the Catalytic Properties for Phenol Isopropylation
Author	Jung Whan Yoo, Chul Wee Lee, Bo Wang, Sang-Eon Park
Keywords	Solid acid, Isopropylation, XPS, ZSM-5, FT-IR.
Abstract	Isopropylation of phenol with 2-propanol has been carried out over Na-exchanged ZSM-5 zeolites to determine the effect of catalyst acidity on phenol conversion and product selectivity. The acid type and strength of the catalyst such as Lewis, weak and strong Bronsted acid sites are measured by pyridine adsorbed XPS and the catalytic properties are interpreted in terms of the acid properties. The active site and mechanism for the reaction are suggested based on evidence of study from the reactant adsorbed FT-IR.
Page	263 - 266
Full Text	PDF

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