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Abstract：
Ti-pillared montmorillonites have been prepared by hydrolysis and Sol-Gel methods. Fourier infrared spectroscopy of pyridine adsorption has been used to determine acid sites on Ti-PLMs. Hydroxy and Bronsted acid sites on the montmorillonites have been identified. There are both Bronsted and Lewis acid sites on the Ti-PLMs. The Ti-PLMs prepared by hydrolysis have more L and less B acid sites than Ti-PLMs prepared by Sol-Gel. It is proposed that the acid sites, especially B acid sites, on the Ti-PLMs originate from the pillars in Ti-PLMs.
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Kuangwu Yanshi
ISSN： 1001-6872
Year： 2003
Issue： 4
Volume： 23
Page： 54-57
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
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