Phase Separation of Halogen-Containing Sodium Borosilicate Glasses

UO, Motohiro; YAMASHIKA, Yujiro; MORITA, Kazuki et al.

Journal of Ceramic Society of Japan, 1992, 100, 17-21

Permalink : https://hdl.handle.net/2115/17006

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アクセス権
open access
URI
https://hdl.handle.net/2115/17006
タイトル
Phase Separation of Halogen-Containing Sodium Borosilicate Glasses
ハロゲン含有ソーダボロシリケートガラスの分相
著者
UO, Motohiro ; YAMASHIKA, Yujiro ; MORITA, Kazuki ; KARUBE, Isao ; MAKISHIMA, Akio
e-Rad_Researcher
20242042
著者名
UO, Motohiro
宇尾, 基弘
著者名
YAMASHIKA, Yujiro
山鹿, 勇次郎
著者名
MORITA, Kazuki
森田, 一樹
著者名
KARUBE, Isao
軽部, 征夫
著者名
MAKISHIMA, Akio
牧島, 亮男
言語
英語
キーワード
Phase separation
Porous glass
Sodium borosilicate glass
Spinodal decomposition
Halogen content
Leaching
Pore diaeter
Surface area
発行日
1992-01
出版者
社団法人 日本セラミックス協会
The Ceramic Society of Japan
収録物名
Journal of Ceramic Society of Japan
巻(号)
100
ページ
17-21
抄録
Porous glasses were prepared by phase separation and leaching of NaF, NaCl and NaBr containing sodium borosilicate glasses with low silica content. Each sodium halide was added to 10Na2O・50B2O3・40SiO2 (wt%) glass and the effects of the additive on phase separation and leaching were investigated. The mean pore diameter, specific surface area and porosity were 300-2500Å, 20-60m2/g and 55-56%, respectively. The pore diameter increased and the specific surface area decreased with increasing temperature, time of heat treatment and halogen content. It was found that the halogen containing specimens were leached out in shorter soaking time than the halogen free specimen and that chlorine addition was most effective. The change in the leaching rate is probably caused by the dissolution of halogen containing sodium borate phase into hot water. For chlorine containing sample, leaching finished in a half time that of the halogen free sample.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
PISSN
0914-5400