Adsorption on the surface of white carbon black
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The surface of white carbon black has a strong chemisorption activity, which is related to the surface hydroxyl group. It can be combined with water in the form of hydrogen bonds to form a multi-molecular adsorption layer. In addition, it can also adsorb with many small organic molecules.
· Polyfunctional amines or alcohols have higher adsorptivity than monofunctional ones, so SiO2 compounds often use polyamine compounds such as ethanolamine, ethylene glycol and triethanolamine as active agents.
