Pillaring of Layered Tetravalent Metal Phosphates and Oxides Using (3-Aminopropyl)trimethoxysilane
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(3-Aminopropyl)trimethoxysilane, (CH3O)3Si(CH2)3NH2, has been intercalated into a series of tetravalent metal phosphates of the general formula M(HPO4)2·H2O (M = Zr, Ti, Sn) and a potassium tetratitanate, K2Ti4O9·xH2O, to give a new range of compounds with greatly expanded interlayer distances. Calcination of these intercalates in air led to the formation of nonporous and microporous silica-pillared materials with interlayer distances between 11 and 21 Å and BET surface areas ranging from 29 to 232 m2g−1. © 1994, American Chemical Society. All rights reserved.
author list (cited authors)
Sylvester, P., Cahill, R., & Clearfield, A.