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Title

The effect of hydrophobicity on the surface activity of environmentally responsive surface-modified silica nanoparticles

Year: 1397
COI: NICEC16_607
Language: EnglishView: 506
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Authors

Vahid Rajabi Ghaleh - Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Aliasghar Mohammadi - Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran

Abstract:

In this study, the surface activity of environmentally responsive surface-modified silica nanoparticles is examined. To this end, propyl, n-hexyl, or n-octyl chains as hydrophobic agents and polyethylene glycol chains as hydrophilic agent at various quantities were coated covalently on the surface of silica nanoparticles to synthesize responsive nanoparticles. Various experiments including interfacial-tension, and contact-angle measurements, and emulsion formation were performed to investigate the performance of modified nanoparticles. Results showed that the presence of the hydrophobic and hydrophilic agents influences considerably the surface activity of the responsive nanoparticles. To achieve the effective responsive nanoparticles, the hydrophobicity should be tuned at an optimum value, which would be at a lower amount with longer linear-alkyl chains.

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Paper COI Code

This Paper COI Code is NICEC16_607. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/860270/

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Rajabi Ghaleh, Vahid and Mohammadi, Aliasghar,1397,The effect of hydrophobicity on the surface activity of environmentally responsive surface-modified silica nanoparticles,16th Iranian National Chemical Engineering Congress,Tehran,https://civilica.com/doc/860270

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Type of center: دانشگاه دولتی
Paper count: 15,048
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