Synthesis of Al-containing mesoporous silica (KSW-2) with semi-squared channels by incorporation of Al into the framework of kanemiteElectronic supplementary information (ESI) available: powder XRD patterns and 29Si MAS NMR spectra of kanemite and Al-kanemite, N2 adsorption isotherm of Al-KSW-2, TEM images of Al-KSW-2. See http://www.rsc.org/suppdata/jm/b2/b211073c/

2003 ◽  
Vol 13 (4) ◽  
pp. 883-887 ◽  
Author(s):  
Tetsuro Shigeno ◽  
Koji Inoue ◽  
Tatsuo Kimura ◽  
Naonobu Katada ◽  
Miki Niwa ◽  
...  
Keyword(s):  
Adsorption Isotherm ◽  
Mesoporous Silica ◽  
Nmr Spectra ◽  
Mas Nmr ◽  
Powder Xrd ◽  
Supplementary Information ◽  
29Si Mas Nmr ◽  
N2 Adsorption ◽  
Xrd Patterns

Effective Method for Preparation of Surface NH2-Functionalized SBA-15 Mesoporous Silica

2012 ◽  
Vol 465 ◽  
pp. 204-209
Author(s):  
Jun Hua Li ◽  
Dan Zhang ◽  
Qi Jian Zhang
Keyword(s):  
Mesoporous Silica ◽  
Mas Nmr ◽  
Toluene Diisocyanate ◽  
High Loading ◽  
Ordered Structure ◽  
29Si Mas Nmr ◽  
Step Method ◽  
N2 Adsorption ◽  
Adsorption Desorption ◽  
Synthesized Materials

Surface NH2-functionalized SBA-15 mesoporous silica was synthesized using toluene diisocyanate (TDI) as bridge molecule. Firstly, surface Si-OH of SBA-15 reacted with one –NCO group of TDI molecular. Then, another unreacted –NCO group of TDI molecular reacted with one -NH2 group of ethylenediamine (EDA). Finally, NH2- group was successfully grafted on mesoporous SBA-15 surface by the above two step method. XRD, N2 adsorption/desorption analysis, FTIR and 29Si MAS NMR were used to identify the well-ordered structure and the successful incorporation of -NH2 on the surface of the synthesized materials. Characterizations revealed that such -NH2 graft is an effective method to obtain a high loading of amino on SBA -15.

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