The hydrophobisation of activated carbon surfaces by organic functional groups

Vitaly L. Budarin; James H. Clark; Sergey V. Mikhalovsky; Alina A. Gorlova; Nataly A. Boldyreva; Vitaly K. Yatsimirsky

doi:10.1260/0263617001493279

The hydrophobisation of activated carbon surfaces by organic functional groups

Vitaly L. Budarin, James H. Clark, Sergey V. Mikhalovsky, Alina A. Gorlova, Nataly A. Boldyreva, Vitaly K. Yatsimirsky

School of Engineering and Digital Sciences

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

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 vinyl-trimethoxysilane (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 ¹³C 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.

Original language	English
Pages (from-to)	55-64
Number of pages	10
Journal	Adsorption Science and Technology
Volume	18
Issue number	1
DOIs	https://doi.org/10.1260/0263617001493279
Publication status	Published - 2000

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Surfaces and Interfaces

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abstract = "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 vinyl-trimethoxysilane (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 13C 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.",

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AU - Budarin, Vitaly L.

AU - Clark, James H.

AU - Mikhalovsky, Sergey V.

AU - Gorlova, Alina A.

AU - Boldyreva, Nataly A.

AU - Yatsimirsky, Vitaly K.

PY - 2000

Y1 - 2000

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The hydrophobisation of activated carbon surfaces by organic functional groups

Abstract

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