The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups

The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups

A technique of hydrophobic surface design with a high degree of structural homogeneity has been developed for catalytic materials. Mesoporous activated carbons and silica gel were modified by (A) treatment with vinyltrimethoxysilane (vtms) or (B) chlorination with carbon tetrachloride followed by re...

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Main Authors: Vitaly L. Budarin, James H. Clark, Sergey V. Mikhalovsky, Alina A. Gorlova, Nataly A. Boldyreva, Vitaly K. Yatsimirsky
Format: Article
Language:English
Published: Hindawi - SAGE Publishing 2000-02-01
Series:Adsorption Science & Technology
Online Access:https://doi.org/10.1260/0263617001493279
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spelling doaj-c81f741ac0684593a4d51dca06c2aa2e2021-04-02T16:54:09ZengHindawi - SAGE PublishingAdsorption Science & Technology0263-61742048-40382000-02-011810.1260/0263617001493279The Hydrophobisation of Activated Carbon Surfaces by Organic Functional GroupsVitaly L. Budarin0James H. Clark1Sergey V. Mikhalovsky2Alina A. Gorlova3Nataly A. Boldyreva4Vitaly K. Yatsimirsky5 Faculty of Chemistry, T. Shevchenko University, 64 Vladimirskaya Str., Kiev 252033, Ukraine Department of Chemistry, University of York, York YO1 5DD, UK School of Pharmacy & Biomolecular Sciences, Faculty of Science & Engineering, Cockroft Building, University of Brighton, Moulscoomb, Brighton BN2 4GJ, UK Faculty of Chemistry, T. Shevchenko University, 64 Vladimirskaya Str., Kiev 252033, Ukraine Faculty of Chemistry, T. Shevchenko University, 64 Vladimirskaya Str., Kiev 252033, Ukraine Faculty of Chemistry, T. Shevchenko University, 64 Vladimirskaya Str., Kiev 252033, UkraineA technique of hydrophobic surface design with a high degree of structural homogeneity has been developed for catalytic materials. Mesoporous activated carbons and silica gel were modified by (A) treatment with vinyltrimethoxysilane (vtms) or (B) chlorination with carbon tetrachloride followed by reaction with a Grignard reagent. Evidence for silica gel modification was obtained from FT-IR and 13 C NMR spectroscopy and from elemental analysis. Carbons chemically modified with alkanes and olefins were studied using thermogravimetry (TG) and the results compared with those for the modified silica gel. TG and differential scanning calorimetry (DSC) revealed that the polymerisation of vinyl groups occurred on the carbon surface. The participation of the carrier surface in the initiation of radical processes has been discussed.https://doi.org/10.1260/0263617001493279
collection DOAJ
language English
format Article
sources DOAJ
author Vitaly L. Budarin
James H. Clark
Sergey V. Mikhalovsky
Alina A. Gorlova
Nataly A. Boldyreva
Vitaly K. Yatsimirsky
spellingShingle Vitaly L. Budarin
James H. Clark
Sergey V. Mikhalovsky
Alina A. Gorlova
Nataly A. Boldyreva
Vitaly K. Yatsimirsky
The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
Adsorption Science & Technology
author_facet Vitaly L. Budarin
James H. Clark
Sergey V. Mikhalovsky
Alina A. Gorlova
Nataly A. Boldyreva
Vitaly K. Yatsimirsky
author_sort Vitaly L. Budarin
title The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
title_short The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
title_full The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
title_fullStr The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
title_full_unstemmed The Hydrophobisation of Activated Carbon Surfaces by Organic Functional Groups
title_sort hydrophobisation of activated carbon surfaces by organic functional groups
publisher Hindawi - SAGE Publishing
series Adsorption Science & Technology
issn 0263-6174
2048-4038
publishDate 2000-02-01
description A technique of hydrophobic surface design with a high degree of structural homogeneity has been developed for catalytic materials. Mesoporous activated carbons and silica gel were modified by (A) treatment with vinyltrimethoxysilane (vtms) or (B) chlorination with carbon tetrachloride followed by reaction with a Grignard reagent. Evidence for silica gel modification was obtained from FT-IR and 13 C NMR spectroscopy and from elemental analysis. Carbons chemically modified with alkanes and olefins were studied using thermogravimetry (TG) and the results compared with those for the modified silica gel. TG and differential scanning calorimetry (DSC) revealed that the polymerisation of vinyl groups occurred on the carbon surface. The participation of the carrier surface in the initiation of radical processes has been discussed.
url https://doi.org/10.1260/0263617001493279
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