Abstract
SBA-15 organosilicas containing amine, thiol, vinyl and phenyl pendant groups were synthesized by co-condensation of tetraethoxysilane and appropriate alkoxysilanes in the presence of Pluronic P123 surfactant. The obtained materials have usually well-developed porous structure—values of specific surface area are in the range 820–950 m2/g. Sizes of the ordered mesopores are in the range 7.5–9.1 nm while the interconnecting pores are 2.3–3.1 nm in size. It was establish that size of the mesopores strongly depends even on small amounts of co-monomers co-condensing with tetraethoxysilane. Several instrumental techniques such as infrared spectroscopy, X-ray diffraction, nitrogen sorption measurements, elemental analysis, transmission electron microscopy. FT-IR photoacoustic spectroscopy (FT-IR/PAS) was used to determine chemical composition of the final materials and to monitor the efficiency of the template removal.
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In honor of Professor Andrzej Waksmundzki on the occasion of his 100th birthday.
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Barczak, M., Dąbrowski, A., Pikus, S. et al. Studies of the structure and chemistry of SBA-15 organosilicas functionalized with amine, thiol, vinyl and phenyl groups. Adsorption 16, 457–463 (2010). https://doi.org/10.1007/s10450-010-9250-1
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DOI: https://doi.org/10.1007/s10450-010-9250-1