In situ zeolite Na-X coating on glass fibers by soft solution process

Kiyoshi Okada; Ken Ichi Kuboyama; Takahiro Takei; Yoshikazu Kameshima; Atsuo Yasumori; Masahiro Yoshimura

doi:10.1016/S1387-1811(99)00198-5

In situ zeolite Na-X coating on glass fibers by soft solution process

Kiyoshi Okada, Ken Ichi Kuboyama, Takahiro Takei, Yoshikazu Kameshima, Atsuo Yasumori, Masahiro Yoshimura

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34 Citations (Scopus)

Abstract

A soft-solution process for in situ coating of faujasite type zeolite crystals on glass fibers was investigated. Commercial SiO₂-Al₂O₃ glass fibers (SA fiber) and SiO₂ glass fibers (SO fiber) were reacted at 60-150°C for various times with NaOH solutions containing NaCl as a mineralizer. The surface of glass fibers was initially leached by the solution but after a certain time crystals of faujasite type zeolite precipitated on the fibers. Eventually the fiber surface was completely coated because of an increase in the concentrations of Si and Al in the solution due to dissolution of the fibers, especially the SO fibers. The important experimental parameters for formation of faujasite type zeolite were found to be the mixing ratio of SA fiber/SO fiber, the reaction time, NaOH concentration and the amount of added NaCl. The lattice constant of the resulting faujasite type zeolite identified it as zeolite Na-X with a Si/Al ratio of 1.28. (C) 2000 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	99-105
Number of pages	7
Journal	Microporous and Mesoporous Materials
Volume	37
Issue number	1-2
DOIs	https://doi.org/10.1016/S1387-1811(99)00198-5
Publication status	Published - May 1 2000

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Keywords

Coating
Glass fiber
In situ reaction
Soft solution process
Zeolite Na-X

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials

Cite this

Okada, K., Kuboyama, K. I., Takei, T., Kameshima, Y., Yasumori, A., & Yoshimura, M. (2000). In situ zeolite Na-X coating on glass fibers by soft solution process. Microporous and Mesoporous Materials, 37(1-2), 99-105. https://doi.org/10.1016/S1387-1811(99)00198-5

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abstract = "A soft-solution process for in situ coating of faujasite type zeolite crystals on glass fibers was investigated. Commercial SiO2-Al2O3 glass fibers (SA fiber) and SiO2 glass fibers (SO fiber) were reacted at 60-150°C for various times with NaOH solutions containing NaCl as a mineralizer. The surface of glass fibers was initially leached by the solution but after a certain time crystals of faujasite type zeolite precipitated on the fibers. Eventually the fiber surface was completely coated because of an increase in the concentrations of Si and Al in the solution due to dissolution of the fibers, especially the SO fibers. The important experimental parameters for formation of faujasite type zeolite were found to be the mixing ratio of SA fiber/SO fiber, the reaction time, NaOH concentration and the amount of added NaCl. The lattice constant of the resulting faujasite type zeolite identified it as zeolite Na-X with a Si/Al ratio of 1.28. (C) 2000 Elsevier Science B.V. All rights reserved.",

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AU - Yasumori, Atsuo

AU - Yoshimura, Masahiro

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N2 - A soft-solution process for in situ coating of faujasite type zeolite crystals on glass fibers was investigated. Commercial SiO2-Al2O3 glass fibers (SA fiber) and SiO2 glass fibers (SO fiber) were reacted at 60-150°C for various times with NaOH solutions containing NaCl as a mineralizer. The surface of glass fibers was initially leached by the solution but after a certain time crystals of faujasite type zeolite precipitated on the fibers. Eventually the fiber surface was completely coated because of an increase in the concentrations of Si and Al in the solution due to dissolution of the fibers, especially the SO fibers. The important experimental parameters for formation of faujasite type zeolite were found to be the mixing ratio of SA fiber/SO fiber, the reaction time, NaOH concentration and the amount of added NaCl. The lattice constant of the resulting faujasite type zeolite identified it as zeolite Na-X with a Si/Al ratio of 1.28. (C) 2000 Elsevier Science B.V. All rights reserved.

AB - A soft-solution process for in situ coating of faujasite type zeolite crystals on glass fibers was investigated. Commercial SiO2-Al2O3 glass fibers (SA fiber) and SiO2 glass fibers (SO fiber) were reacted at 60-150°C for various times with NaOH solutions containing NaCl as a mineralizer. The surface of glass fibers was initially leached by the solution but after a certain time crystals of faujasite type zeolite precipitated on the fibers. Eventually the fiber surface was completely coated because of an increase in the concentrations of Si and Al in the solution due to dissolution of the fibers, especially the SO fibers. The important experimental parameters for formation of faujasite type zeolite were found to be the mixing ratio of SA fiber/SO fiber, the reaction time, NaOH concentration and the amount of added NaCl. The lattice constant of the resulting faujasite type zeolite identified it as zeolite Na-X with a Si/Al ratio of 1.28. (C) 2000 Elsevier Science B.V. All rights reserved.

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Access to Document

10.1016/S1387-1811(99)00198-5