Chemical Modification of Activated Carbons |
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| Authors: | Budarin V L Clark J H Gorlova A A Boldyreva N A Yatsimirsky V K |
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| Institution: | (1) Kyiv Shevchenko University, 64 Vladimirskaya str., Kyiv, 252033, Ukraine;(2) Department of Chemistry, University of York, York, YO1 5DD, United Kingdom |
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| Abstract: | Mesoporous activated carbons and silica gel (Kieselgel 100, Merck) were modified as follows: (i) treatment with vinyltrimethoxysilane;
or (ii)chlorination with CCl4 followed by the reaction with a Grignard reagent. Modification of silica gel was proved by methods FTIR, NMR-13C and element analysis on carbon. The chemical modification of coals by alkans and olefins was supported by comparison of
results of thermogravimetry for modified coals and modified silica gels. Polymerization of vinyl groups on carbon surface
is shown by methods thermogravimetric analysis and differential scanning calorimetry.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | activated carbons chemical modification differential scanning calorimetry thermogravimetry |
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