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 journalArticle

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 languageEnglish
Pages (from-to)99-105
Number of pages7
JournalMicroporous and Mesoporous Materials
Volume37
Issue number1-2
DOIs
Publication statusPublished - May 2000
Externally publishedYes

Fingerprint

Zeolites
glass fibers
Glass fibers
coatings
Coatings
fibers
Fibers
Crystals
mixing ratios
reaction time
Lattice constants
crystals
fiberglass
dissolving
Dissolution
faujasite

Keywords

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

ASJC Scopus subject areas

  • Catalysis
  • Materials Science(all)

Cite this

In situ zeolite Na-X coating on glass fibers by soft solution process. / Okada, Kiyoshi; Kuboyama, Ken Ichi; Takei, Takahiro; Kameshima, Yoshikazu; Yasumori, Atsuo; Yoshimura, Masahiro.

In: Microporous and Mesoporous Materials, Vol. 37, No. 1-2, 05.2000, p. 99-105.

Research output: Contribution to journalArticle

Okada, Kiyoshi ; Kuboyama, Ken Ichi ; Takei, Takahiro ; Kameshima, Yoshikazu ; Yasumori, Atsuo ; Yoshimura, Masahiro. / In situ zeolite Na-X coating on glass fibers by soft solution process. In: Microporous and Mesoporous Materials. 2000 ; Vol. 37, No. 1-2. pp. 99-105.
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