Отправить статью по E-mail Features of Colloidal Aggregation in Tetraethoxysilane-Water-Ethanol Ternary Mixtures by Small-Angle Neutron Scattering
- Авторы: Tomchuk O.V.1,2, Avdeev M.V.1,3, Ivankov O.I.1,4,5, Bulavin L.A.2,4, Aksenov V.L.1,6
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Учреждения:
- Joint Institute for Nuclear Research
- Taras Shevchenko National University of Kyiv
- St. Petersburg University
- Institute for Safety Problems of Nuclear Power Plants, Ukraine National Academy of Sciences
- Moscow Institute of Physics and Technology
- “Kurchatov Institute” National Research Center
- Выпуск: Том 13, № 6 (2019)
- Страницы: 1122-1125
- Раздел: Article
- URL: https://journals.rcsi.science/1027-4510/article/view/196527
- DOI: https://doi.org/10.1134/S1027451019060545
- ID: 196527
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Аннотация
The influence of the concentration of components in a tetraethyl orthosilicate (TEOS)–water–ethanol mixture on the growth of silicate aggregates in a basic environment is studied with small-angle neutron scattering. There is a general increase in the size of aggregates with an increase in the amount of both water and TEOS. At the same time, when the H2O : TEOS molar ratio is 2 : 1, the structure of the aggregates repeats, regardless of the TEOS concentration in the system. The scattering length density of the aggregates is found via hydrogen/deuterium isotopic substitution and contrast variation to analyze the possible inclusion of residual ethyl and hydroxyl groups into their structure.
Об авторах
O. Tomchuk
Joint Institute for Nuclear Research; Taras Shevchenko National University of Kyiv
Автор, ответственный за переписку.
Email: tomchuk@jinr.ru
Россия, Dubna, 141980; Kyiv, 01601
M. Avdeev
Joint Institute for Nuclear Research; St. Petersburg University
Автор, ответственный за переписку.
Email: avd@nf.jinr.ru
Россия, Dubna, 141980; St. Petersburg, 199034
O. Ivankov
Joint Institute for Nuclear Research; Institute for Safety Problems of Nuclear Power Plants, Ukraine National Academy of Sciences; Moscow Institute of Physics and Technology
Email: avd@nf.jinr.ru
Россия, Dubna, 141980; Chornobyl, 07270; Dolgoprudny, 141701
L. Bulavin
Taras Shevchenko National University of Kyiv; Institute for Safety Problems of Nuclear Power Plants, Ukraine National Academy of Sciences
Email: avd@nf.jinr.ru
Украина, Kyiv, 01601; Chornobyl, 07270
V. Aksenov
Joint Institute for Nuclear Research; “Kurchatov Institute” National Research Center
Email: avd@nf.jinr.ru
Россия, Dubna, 141980; Moscow, 123182
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