Template-free Secondary Growth Preparation of Zeolite Foams with Controllable Macropores

Abstract

Abstract: By using the nanosized silicalite-1 zeolite preseeding polyurethane foams (PUFs) as templates combined with the zeolite seed-induced secondary growth in a synthesis gel free from organic templates, the large monolithic ZSM-5 zeolite foams which well inherit the morphology of PUF were simply prepared. The novel macroporous materials constructed by the zeolite units can eliminate the diffusion in some degree and have more effective promised applications in adsorption, ion exchange and catalysis.

Key words: template, secondary growth, zeolite, assembly

CLC Number:

TQ174

WANG De-Ju,ZHU Gui-Bo,ZHANG Ya-Hong,LIU Zhong-Neng,XIE Zai-Ku,TANG Yi. Template-free Secondary Growth Preparation of Zeolite Foams with Controllable Macropores[J]. Journal of Inorganic Materials.

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Template-free Secondary Growth Preparation of Zeolite Foams with Controllable Macropores

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