The Malaysian Journal of Analytical Sciences Vol 16 No 3 (2012): 290 – 296

 

 

 

SYNTHESIS AND CHARACTERIZATION OF MESOPOROUS MATERIAL FUNCTIONALIZED WITH DIFFERENT SILYLATING AGENT AND THEIR CAPABILITY TO REMOVE Cu²⁺

 

(Sintesis dan Pencirian Bahan Liang Meso yang difungsikan dengan Ejen Sililasi yang Berbeza dan Keupayaanya Menyingkir Cu²⁺)

 

Zaini Hamzah¹, Norhidayu Narawi¹*, Hamizah Md Rasid¹ and Amira Nazirah Md Yusoff²  

 

¹Fakulti Sains Gunaan,

Universiti Teknologi Mara, 40000 Shah Alam, Selangor, Malaysia

²Fakulti Sains Gunaan,

Universiti Teknologi MARA cawangan Pulau Pinang,

13500,Permatang Pauh, Pulau Pinang,Malaysia

 

*Corresponding author: areu_luv@yahoo.com

 

 

Abstract

Mesoporous material MCM-41 with uniform hexagonally ordered pores in range of 2-10 nm was synthesized through hydrothermal method. The synthesis started from highly pure silica source known as Ludox which act as an active source of silica in the presence of organic surfactant (CTABr) as structure-directing agent. MCM-41 has been functionalized with the organic group known as 3-aminopropyltriethoxysilane (APTES), 3-mercaptopropyltrimethoxysilane (MPTMS), and chloropropyltriethoxysilane (CPTES) by co-condensation method in order to enhance the surface hydrophobicity of MCM-41. The increasing hydrophobicity will lead to efficient reaction specifically for organic reaction in organic solvent. The resulting materials were characterized with various techniques which are PXRD, FTIR, NMR, Elemental Analysis and AAS. The formation of uniform hexagonal framework of synthesized materials was shown in PXRD result. The functionalized groups of modified MCM-41 can be characteried via FTIR and ¹³C-NMR results. The Elemental Analysis shows the percentage of nitrogen, carbon, hydrogen and sulphur in MCM-41 and functionalized MCM-41. From AAS, MCM-41 MPTMS has high capability for removal of Cu (II) in aqueous solution compared with others.

 

Keywords: 3-aminopropyltriethoxysilane, 3-mercaptopropyltrimethoxysilane and 3-chloropropyltriethoxysilane

 

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