Abstract A mixture characterized by the molar ratios of H2O/SiO2 = 20, SiO2/Al2O3, = 120, Na2O/SiO2 = 0.3 and 1.6 diaminohexane (DAH) as template was reacted at 182 °C. Dependent on the reaction time, the ratio of OH- /SiO2 and DAH/SiO2 ZSM-5 was crystallised with α-quartz as by-product. The materials were characterized by X-ray diffraction, scanning electron microscopy, infrared spectroscopy, thermogravimetry and differential thermal gravimetry.
ChemInform Abstract The reaction of a mixture characterized by the molar ratios H2O:SiO2 = 20, SiO2:Al2O3 = 120, Na2O:SiO2 = 0.3 and 1.6-diaminohexane (DAH) as template at 182 rc C, yields ZSM-5 besides α-quartz. The products obtained are characterized by RD, SEM, IR spectroscopy, TG and DTG. The dependencies of the reaction on the OH-/SiO2 and DAH/SiO2 ratios and on reaction time are discussed in detail.
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