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Samples were prepared from mixtures of tetraacetoxysilane and the
corresponding organically modified alkoxide RTES (R = Ph
(phenyl) and pFPh (pentafluorophenyl)) in the appropriate
ratio to obtain ormosil matrices. The maximum R/Si molar
ratios used for sample preparation were 0.9 and 0.7 for Ph and
pFPh functionalized samples respectively, as larger amounts of
organic functional substituents in the matrices resulted in the
formation of opaque films.
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[ Last edited by diablewow on 2010-11-15 at 10:08 ]
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