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A biopolymer‐TiO2 composite membrane was prepared by blending of N‐[(2‐hydroxy‐3‐trimethylammonium) propyl] chloride chitosan and cellulose acetate with nano‐TiO2 particles as the introduced inorganic components. It was verified that the amino groups (NH2) of chitosan (CTS) were partly grafted by stronger hydrophilic group
according to the 1H‐nuclear magnetic resonance spectra...
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