Effect of Formation Conditions on the Functional Composition of the Surface of High-Silica Porous Glass


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Resumo

The possibility of controlling the content and ratio of Brønsted acid to Lewis base centers on the surface of high-silica porous glass (PG) with various compositions based on two-phase alkali-borosilicate glass by varying the conditions of the preparation of PG during the acid work-up of the initial glass is shown. The results demonstrate the possibility to control the features of the surface of the PG, and in particular, the ratio of silanol to siloxane structures.

Sobre autores

T. Tsyganova

Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences; St. Petersburg Scientific Center, Russian Academy of Sciences

Autor responsável pela correspondência
Email: Tsyganova2@yandex.ru
Rússia, St. Petersburg, 199034; St. Petersburg, 199034

S. Myakin

St. Petersburg State Technological Institute (Technical University)

Email: Tsyganova2@yandex.ru
Rússia, St. Petersburg, 190013

I. Kuryndin

Institute of High-Molecular Compounds, Russian Academy of Sciences

Email: Tsyganova2@yandex.ru
Rússia, St. Petersburg, 199004

O. Rakhimova

St. Petersburg Electrotechnical University LETI

Email: Tsyganova2@yandex.ru
Rússia, St. Petersburg, 197376

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