engleski

Carbon Black Surface Modification by Organic Acids

In this work, the influence of citric (CA) and acetic acid( HAc) on the surface modification of commercial carbon black (CB) was examined.In batch experiments performed, 1g of CB with particle size <0, 1mm was equilibrated with a CA and HAc solutions for 24 hours. The surface morphology of the CB samples was visualised by scanning electron microscopy (JEOL, JXA 50 A). The carboxyl groups of adsorbed HAc and CA have successfully modificated CB surface so that by the procedure here performed, more active carbon black is achieved.

carbon black; modification; organic acids

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