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Modified SiO2 particles were successfully prepared via [(perfluorobutyl)methyl]oxirane and [(perfluorobutyl)methyl]thiirane in sol–gel conditions using basic catalysis. As a result of acid catalysis non-modified nano-sized SiO2 particles were formed. Chemically modified SiO2 particles were characterized by means of FT-IR, BET, TEM, XRD- and XPS-analyses. Friction coefficients were determined at steel...
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