[ACS Material] SBA-15

[ACS Material]  SBA-15

 

 

SKU# MSB15011

 

Santa Barbara Amorphous-15 (SBA-15) is a highly stable mesoporous silica sieve developed by researchers at the University of California at Santa Barbara. It gets it high hydrothermal and mechanical stability from a framework of uniform hexagonal pores that feature a narrow pore-size distribution and a tunable pore diameter of 5nm to 15nm, but, most significantly, from its relatively thick walls, which range between 3.1nm and 6.4nm. SBA mesoporous silica 15 has a high internal surface area, which lends itself to various applications, including environmental adsorption and separation, advanced optics, and catalysts.

Mesoporous silica SBA-15 is synthesized in acidic conditions using triblock copolymer Pluronic 123 (EO20PO70EO20) as a pattern and tetraethoxysilane (TEOS) for the source of silica. Once synthesis is complete, the organic template is removed by a variety of methods, including calcination; reflux extraction; H2O2 treatments; microwave digestion; and/or washing with pure solvents, ethanol, acetone, or water. ACS Materials’ SBA-15 was calcined in air at 823 Kelvin for 6 hours, resulting in a fine, white powder.

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CAS No.: 7631-86-9

1. Preparation Method

Hydrothermal Method

2. Characterizations

Key features of our SBA-15 products are:

Appearance:	White Powder
Particle Size (μm)	1~4
Pore Diameter (nm)	6~11
Pore Volume (cm3/g):	1.46
BET surface area (m2/g)	≥550
Phase	p6mm
Comparative Crystallinity (%)	≥90
BJH Desorption Cumulative Volume of Pores (cm3/g)	0.6793
Bulk Density (g/cm3)	0.067
Tap Density (g/cm3)	0.145

This product is calcined and ready to use directly.

Typical SEM Image of ACS Material Mesoporous Silica Molecular Sieve SBA-15 (1)

Typical SEM Image of ACS Material Mesoporous Silica Molecular Sieve SBA-15 (2)

Typical XRD Analysis of ACS Material Mesoporous Silica Molecular Sieve SBA-15

Typical BET Analysis of ACS Material Mesoporous Silica Molecular Sieve SBA-15

3. Application Fields

1)   Catalyst carrier

2)   As a templating agent

3)   Nanomaterials

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