Газофазне сольвато-стимульоване адсорбційне модифікування нанокремнезему вазеліновим маслом
By gas-phase solvate-stimulated adsorption modifying, a monolayer coating with non-polar substances - liquid paraffin has been obtained on nanosilica surface. In the future, this modification let it possible to regulate the pharmacological properties of enterosorbents based on nanosilica. It has bee...
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| Date: | 2013 |
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| Main Author: | |
| Format: | Article |
| Language: | Russian |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2013
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| Online Access: | https://surfacezbir.com.ua/index.php/surface/article/view/515 |
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| Journal Title: | Surface |
| Download file: |  |
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Surface| Summary: | By gas-phase solvate-stimulated adsorption modifying, a monolayer coating with non-polar substances - liquid paraffin has been obtained on nanosilica surface. In the future, this modification let it possible to regulate the pharmacological properties of enterosorbents based on nanosilica. It has been shown that among two factors promoting the process of adsorption modifying with liquid paraffin (heating and solvation) - the letter is much more effective. The band with a maximum absorption at 3750 cm-1, in the IR spectra of nanosilica which characterizes surface free silanol groups, due to their dispersive interactions with molecules of liquid paraffin has been found to be shifted by 55 cm-1 to a value of 3695 cm-1. |
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