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

Research output: Contribution to journal › Article › peer-review

35 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
Externally published	Yes

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

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title = "In situ zeolite Na-X coating on glass fibers by soft solution process",

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.",

keywords = "Coating, Glass fiber, In situ reaction, Soft solution process, Zeolite Na-X",

author = "Kiyoshi Okada and Kuboyama, {Ken Ichi} and Takahiro Takei and Yoshikazu Kameshima and Atsuo Yasumori and Masahiro Yoshimura",

year = "2000",

month = may,

day = "1",

doi = "10.1016/S1387-1811(99)00198-5",

language = "English",

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TY - JOUR

T1 - In situ zeolite Na-X coating on glass fibers by soft solution process

AU - Okada, Kiyoshi

AU - Kuboyama, Ken Ichi

AU - Takei, Takahiro

AU - Kameshima, Yoshikazu

AU - Yasumori, Atsuo

AU - Yoshimura, Masahiro

PY - 2000/5/1

Y1 - 2000/5/1

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.

KW - Coating

KW - Glass fiber

KW - In situ reaction

KW - Soft solution process

KW - Zeolite Na-X

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