期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 112, 期 2, 页码 637-640出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2008.06.019
关键词
Vapor phase transport; SAPO-34 film; Cordierite honeycomb
资金
- National Natural Science Foundation of China [20141003, 20201007]
SAPO-34 films coated on cordierite honeycombs were synthesized by a vapor phase transport (VPT) technique. X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetry (TG) and differential scanning calorimeter (DSC) were used to characterize the films. It was found that SAPO-34 films could be prepared on the cordierite honeycombs only when triethylamine (TEA) was presented in both the liquid phase and the SAPO-34 synthesis sol. The loading of SAPO-34 could be adjusted by changing the reaction conditions, such as the impregnation time and the molar ratio Of SiO2/Al2O3 in the synthesis sol. Continuous SAPO-34 films, with a thickness of ca. 20-60 mu m, were composed of microsized crystals and the adhesion between SAPO-34 films and cordierites was strong. (C) 2008 Elsevier B.V. All rights reserved.
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