Oriented zeolite film-provided structure

Details Oriented zeolite film-provided structure Oriented zeolite film-provided structure

C - Chemistry, Metallurgy

01

B

C01B 39/38 (2006.01) B01D 61/36 (2006.01) B01D 71/02 (2006.01) C01B 37/02 (2006.01)

Patent

CA 2629756

Disclosed is an oriented zeolite film-provided structure which comprises a support and a film-like, MFI-type zeolite crystal (an oriented zeolite film) provided on the surface of the support, wherein the percentage of zeolite crystals whose c-axes are oriented at an angle falling within the range of 90~ ~ 33.76~ from the surface of the support comprise 90% or more of the total zeolite crystals, and the oriented zeolite film has a film thickness of 1 to 30 µm. In the oriented zeolite film-provided structure, the c-axis of each zeolite crystal can be oriented in a direction vertical to the surface of the support, and a thin oriented zeolite film can be provided on the surface of the support.

La présente invention concerne une structure comportant une pellicule de zéolite orientée qui comprend un support et un cristal de zéolite de type MFI sous forme de pellicule (pellicule de zéolite orientée) disposée sur la surface du support, le pourcentage de cristaux de zéolite dont les axes c sont orientés à un angle compris dans la plage de 90° ± 33,76° de la surface du support comprend 90% ou plus du total des cristaux de zéolite, et la pellicule de zéolite orientée présente une épaisseur de pellicule de 1 à 30 µm. Dans la structure comportant une pellicule de zéolite orientée, l~axe c de chaque cristal de zéolite peut être orienté dans une direction verticale par rapport à la surface du support, et une pellicule mince de zéolithe orientée peut être disposée sur la surface du support.

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