Synthesis of Mesoporous Silica Immobilized with 3‐[(Mercapto or amino)propyl]trialkoxysilane by a Simple One‐pot Reaction | Zendy

Adam Farook | Zendy; Hello Kasim Mohammed | Zendy; Osman Hasnah | Zendy

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Synthesis of Mesoporous Silica Immobilized with 3‐[(Mercapto or amino)propyl]trialkoxysilane by a Simple One‐pot Reaction

Author(s) -

Adam Farook,

Hello Kasim Mohammed,

Osman Hasnah

Publication year - 2010

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.201190008

Subject(s) - chemistry , triethoxysilane , moiety , silicon , sulfur , carbon fibers , carbon 13 nmr , elemental analysis , chemical shift , sodium silicate , mesoporous material , nuclear chemistry , silica gel , husk , inorganic chemistry , organic chemistry , catalysis , chemical engineering , materials science , botany , composite number , engineering , composite material , biology

Sodium silicate from rice husk ash (RHA) was transformed to functionalized silica with 3‐(mercaptopropyl)‐trimethoxysilane (MPTMS) or 3‐(aminopropyl)triethoxysilane (APTES) via a simple sol‐gel technique in a one‐pot synthesis to give RHAPrSH and RHAPrNH 2 . The 29 Si MAS NMR of RHAPrSH and RHAPrNH 2 showed the presence of T 1 , T 2 , T 3 , Q 2 , Q 3 and Q 4 silicon centers. The 13 C MAS NMR showed that RHAPrSH had chemical shifts at δ 16.59, 32.73, consistent with two of the carbon atoms of the MPTMS moiety, while the 13 C MAS NMR of RHAPrNH 2 had chemical shifts at δ 14.58, 26.13, 47.87, consistent with the three carbon atoms of the APTES moiety. The presence of carbon, silicon, sulfur and nitrogen in RHAPrSH and RHAPrNH 2 was determined by a combination of elemental analysis and EDX study.

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