The immobilization of 3-(chloropropyl)triethoxysilane onto silica by a simple one-pot synthesis

Add time:07/14/2019    Source:sciencedirect.com

Sodium silicate from rice husk ash (RHA) was transformed to functionalized silica with 3-(chloropropyl)triethoxysilane (CPTES) via a simple sol–gel technique in a one-pot synthesis. The 29Si MAS NMR of the organo–silica complex (RHACCl) showed the presence of T2, T3, Q3 and Q4 silicon centers. The 13C MAS NMR showed that RHACCl had three chemical shifts at 10.37, 26.70 and 47.69 ppm consistent with the three carbon atoms of the CPTES moiety. The presence of carbon, silicon and chlorine was determined by a combination of elemental analysis and EDX study.

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