Sol-Gel Synthesis of Mullite Starting from Different Inorganic Precursors

Table 1

Reagents and their function in obtaining mullite.

Function	Reagents	Formula	Trademark
Precursor	Silicon tetraethy lorthosilicate	(TEOS)	Sigma-Aldrich
Precursor	Aluminum alkoxide, Aluminum tri-sec-butoxide	(TSBAI)	Sigma-Aldrich
Precursor	Aluminum chloride	(AlCl3)	Sigma-Aldrich
Thinner	Isopropanol	(2-propanol)	JT Baker
Hydrolyzing agent	Deionized water	H2O	JT Baker
Catalyst	Hydrochloric acid	(HCl)