Synthesis and Characterization of Hierarchical Zeolite with High Mechanical Stability

Xu Ling; Rui Liu Zong; Bin Kan Qiu

doi:10.4028/www.scientific.net/AMR.217-218.368

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Synthesis and Characterization of Hierarchical...

Synthesis and Characterization of Hierarchical Zeolite with High Mechanical Stability

Abstract:

A hierarchical zeolite was synthesized by self-assembly of ZSM-5 nano-crystals colloid and polystyrene spheres coated with cationic poly (diallyldimethylammonium chloride). The colloidial ZSM-5 nano-crystals were first bound onto the polyelectrolyte-modified PS by electrostatic attraction, followed by centrifugation to form PS/ZSM-5 close-packed composite. After being dried and calcined to remove the organic components, the hierarchical zeolite was obtained. The X-ray diffraction, scanning electron microscopy, transition electron microscopy and N2 adsorp-tion-desorption techniques were employed to characterize the hierarchical zeolite. The results showed that the material prepared by this method was well crystallized and possessed uniform ma-cropores interconnected in three dimensions through windows. Furthermore, the hierarchical zeolite was rather mechanically stable.

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Advanced Materials Research (Volumes 217-218)

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368-371

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https://doi.org/10.4028/www.scientific.net/AMR.217-218.368

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Online since:

March 2011

Authors:

Xu Ling, Rui Liu Zong, Bin Kan Qiu

Keywords:

Hierarchical Zeolite, Polystyrene Sphere, Self-Assembly, ZSM-5

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