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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 11, Number 5
BKCSDE 11(5)
May 20, 1990

Title	Acidic and Catalytic Properties of Modified Silica Catalyst with Benzenesulfo Groups
Author	Jong Rack Sohn, Sam Gon Ryu, Young Il Pae, Sang June Choi*
Keywords
Abstract	Two types of new silica catalysts modified with benzenesulfonic acid derivatives were prepared by esterification or phenylation followed by sulfonation. Both catalysts thus prepared were tested as acid catalysts for 2-propanol dehydration and cumene dealkylation reactions. B catalyst (≡Si-C6H4SO3H) were more active than A catalyst (≡Si-OCH2-C6H4-SO3H). Highter catalytic activity for B catalyst may be accounted for by higher resistance to water, higher acid strength, more acidity, and better thermal stability as compared with A catalyst.
Page	403 - 406
Full Text	PDF

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