Parameters of the Porous Structure Formed as a Result of the Ion-Exchange Treatment of Potassium-Barium Silicate Glass in a Sodium Nitrate Melt

S. I. Sviridov; Z. G. Tyurnina; N. G. Tyurnina; V. V. Sirotov

doi:10.1134/S1087659619030131

Parameters of the Porous Structure Formed as a Result of the Ion-Exchange Treatment of Potassium-Barium Silicate Glass in a Sodium Nitrate Melt

作者: Sviridov S.I.¹, Tyurnina Z.G.¹, Tyurnina N.G.¹, Sirotov V.V.²
隶属关系:
1. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences
2. Institute of Chemistry, Thermogravimetric and Calorimetric Studies Resource Center, St. Petersburg State University
期: 卷 45, 编号 3 (2019)
页面: 242-244
栏目: Article
URL: https://journals.rcsi.science/1087-6596/article/view/217171
DOI: https://doi.org/10.1134/S1087659619030131
ID: 217171

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It is established by the method of standard porosimetry that glass with a porous structure is formed as a result of the \({\text{K}}_{{{\text{glass}}}}^{ + }~ \rightleftarrows ~{\text{Na}}_{{{\text{melt}}}}^{ \pm }\) ion exchange. Half of the porous glass structure volume is occupied by pores of 1 to 4 nm. The remaining volume is filled with pores and cracks of 0.4 to 3 μm. The porosity and specific surface area of meso- and macropores, as well as the average pore radius, are determined.