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Phase Separation of Halogen-Containing Sodium Borosilicate Glasses
| Title: | Phase Separation of Halogen-Containing Sodium Borosilicate Glasses |
| Other Titles: | ハロゲン含有ソーダボロシリケートガラスの分相 |
| Authors: | UO, Motohiro1 Browse this author →KAKEN DB | | YAMASHIKA, Yujiro2 Browse this author | | MORITA, Kazuki3 Browse this author | | KARUBE, Isao4 Browse this author | | MAKISHIMA, Akio5 Browse this author |
| Authors(alt): | 宇尾, 基弘1 | | 山鹿, 勇次郎2 | | 森田, 一樹3 | | 軽部, 征夫4 | | 牧島, 亮男5 |
| Keywords: | Phase separation | | Porous glass | | Sodium borosilicate glass | | Spinodal decomposition | | Halogen content | | Leaching | | Pore diaeter | | Surface area |
| Issue Date: | Jan-1992 |
| Publisher: | 社団法人 日本セラミックス協会 |
| Journal Title: | Journal of Ceramic Society of Japan |
| Volume: | 100 |
| Start Page: | 17 |
| End Page: | 21 |
| Abstract: | 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. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/17006 |
| Appears in Collections: | 歯学院・歯学研究院 (Graduate School of Dental Medicine / Faculty of Dental Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 宇尾 基弘
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