Abstract
Superhydrophobic hybrid micro–nanocomposite powder was prepared from a mixture of tannin rich (Camellia japonica) leaf powder, polymethylhydroxysiloxane and phenyl substituted silica ormosils. The surface properties, functional groups, and thermal stability of the hybrid material were analysed by various characterization techniques. The hybrid powder exhibited a hierarchical surface morphology, mesoporous structure, higher thermal stability and superhydrophobicity. The superhydrophobic powder was evaluated for its potential use in the adsorption of metal ions from a mixture of metal ions solutions prepared in artificial sea water. The hybrid material adsorbed copper (II) and nickel (II) ions preferably compared to other competitive metal ions in the mixture solution. The metal ions adsorbed by the superhydrophobic materials were also checked using other leaf powder hybrid materials. The results showed that the preferable adsorption of metal ions can vary according to the type of leaf powder used in the hybrid system.
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