Estimation of interface tension in the structured disperse systems using rheological data
On the base of full flow curves of structured oil-in-water emulsions with 0,12 to 0,32 part by volume of oil phase the main oil particle diameters and yield strength were determined. A novel equation was obtained with the use of Deriagin equation and equation for estimation of the yield strength of...
Main Authors: | , , |
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Format: | Article |
Language: | Russian |
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MIREA - Russian Technological University
2006-04-01
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Series: | Тонкие химические технологии |
Online Access: | https://www.finechem-mirea.ru/jour/article/view/1381 |
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author | G. A. Grigoriev R. G. Allahverdov U. U. Stoliarov |
author_facet | G. A. Grigoriev R. G. Allahverdov U. U. Stoliarov |
author_sort | G. A. Grigoriev |
collection | DOAJ |
description | On the base of full flow curves of structured oil-in-water emulsions with 0,12 to 0,32 part by volume of oil phase the main oil particle diameters and yield strength were determined. A novel equation was obtained with the use of Deriagin equation and equation for estimation of the yield strength of structured emulsion. This equation permits us to estimate the surface tension in the water medium-oil particle interface (P-M) with the aid of experimental data. The P-M value in such systems was shown to be equal 0,3 mN/m and found to be almost constant in the investigated region of concentrations. For the comparison an estimation of the same value with the use of the Gamaker constant is also given in the present paper. |
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format | Article |
id | doaj.art-fdf716cdf47145de8f3b29667f3000dd |
institution | Directory Open Access Journal |
issn | 2410-6593 2686-7575 |
language | Russian |
last_indexed | 2024-04-10T03:33:36Z |
publishDate | 2006-04-01 |
publisher | MIREA - Russian Technological University |
record_format | Article |
series | Тонкие химические технологии |
spelling | doaj.art-fdf716cdf47145de8f3b29667f3000dd2023-03-13T07:25:27ZrusMIREA - Russian Technological UniversityТонкие химические технологии2410-65932686-75752006-04-011237391376Estimation of interface tension in the structured disperse systems using rheological dataG. A. Grigoriev0R. G. Allahverdov1U. U. Stoliarov2M.V. Lomonosov Moscow State University of Fine Chemical Technologies, 86, Vernadskogo pr., Moscow 119571Pharmaceutical Reagents Institute Repharm, 2 buld.2 Kolodezny lane, Moscow, 107076Pharmaceutical Reagents Institute Repharm, 2 buld.2 Kolodezny lane, Moscow, 107076On the base of full flow curves of structured oil-in-water emulsions with 0,12 to 0,32 part by volume of oil phase the main oil particle diameters and yield strength were determined. A novel equation was obtained with the use of Deriagin equation and equation for estimation of the yield strength of structured emulsion. This equation permits us to estimate the surface tension in the water medium-oil particle interface (P-M) with the aid of experimental data. The P-M value in such systems was shown to be equal 0,3 mN/m and found to be almost constant in the investigated region of concentrations. For the comparison an estimation of the same value with the use of the Gamaker constant is also given in the present paper.https://www.finechem-mirea.ru/jour/article/view/1381 |
spellingShingle | G. A. Grigoriev R. G. Allahverdov U. U. Stoliarov Estimation of interface tension in the structured disperse systems using rheological data Тонкие химические технологии |
title | Estimation of interface tension in the structured disperse systems using rheological data |
title_full | Estimation of interface tension in the structured disperse systems using rheological data |
title_fullStr | Estimation of interface tension in the structured disperse systems using rheological data |
title_full_unstemmed | Estimation of interface tension in the structured disperse systems using rheological data |
title_short | Estimation of interface tension in the structured disperse systems using rheological data |
title_sort | estimation of interface tension in the structured disperse systems using rheological data |
url | https://www.finechem-mirea.ru/jour/article/view/1381 |
work_keys_str_mv | AT gagrigoriev estimationofinterfacetensioninthestructureddispersesystemsusingrheologicaldata AT rgallahverdov estimationofinterfacetensioninthestructureddispersesystemsusingrheologicaldata AT uustoliarov estimationofinterfacetensioninthestructureddispersesystemsusingrheologicaldata |