Хімічне модифікування поверхні поруватого кремнію групами поліоксіетильованих спиртів
The fragments of nonionic surfactants Triton X-100, Neonol AF9-10, and Synthanol ALM-10 were grafted on the surface of porous silicon by means of the photoinitiated reaction in presence of iodoform. The materials obtained were studied by means of FTIR spectroscopy and temperature programmed desorpti...
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| Date: | 2011 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | Russian |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2011
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| Online Access: | https://www.cpts.com.ua/index.php/cpts/article/view/74 |
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| Journal Title: | Chemistry, Physics and Technology of Surface |
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Chemistry, Physics and Technology of Surface| Summary: | The fragments of nonionic surfactants Triton X-100, Neonol AF9-10, and Synthanol ALM-10 were grafted on the surface of porous silicon by means of the photoinitiated reaction in presence of iodoform. The materials obtained were studied by means of FTIR spectroscopy and temperature programmed desorption mass spectrometry (TPD MS). A mechanism of thermal decomposition of grafted surfactants, consisting in multistage transformations starting from the destruction of polyoxyethylene chain, was evaluated. The hydrophobic properties and the hydrolytic stability of obtained materials were investigated. Their hydrophobicity can be defined by the nature of grafted surfactant groups and likely depends on the presence of alkyl chains, capable to be packed into the dense hydrophobic structures on the surface. |
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