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Proceedings of the National Academy of Sciences of Belarus, Chemical Series

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OPTIMIZATION OF THE GLASS COMPOSITIONS FOR HOLLOW GLASS MICROSPHERES FABRICATION

https://doi.org/10.29235/1561-8331-2018-54-2-238-244

Abstract

The most promising region of glass compositions for obtaining hollow glass microspheres was determined using literature analysis. The main physical and technical characteristics of glasses have been studied and the dependence of the glasses properties on composition has been established. The influence of rheological properties of glasses near liquidus temperature on the processes of separation of gases previously dissolved in glass was established. It was shown that the loss
of the glass mass upon reheating is much higher than the amount of sodium sulfate dissolved in the melt and may be due to incomplete decomposition during melting of carbonates (in particular, sodium carbonate) included in the charge composition, as well as volatilization of B2O3.

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ISSN 1561-8331 (Print)
ISSN 2524-2342 (Online)