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In order to improve the selectivity in photocatalytic process, molecularly imprinted photocatalysts containing a low loading of TiO2 (from 6.6 to 16.6% of total mass) were prepared for photocatalytic degradation of an organic pollutant, diclofenac (DIC). The photocatalytic component TiO2 (P25), with and without being doped with Cu2O, was embedded in diclofenac-imprinted polymers. The molecularly imprinted...
The effect of particle/polymer number ratio on the structure and dynamics of particle-polymer complexes at a fixed polymer concentration has been investigated. Mixtures of poly(ethylene oxide) (PEO, Mv=1,000,000 gmol−1, Rh ∼39nm) aqueous solution and colloidal silica dispersion (Rh ∼10nm) were used as models. By adding silica particles, both zero-shear viscosity and Rh of the silica-PEO complexes...
Polyacrylamide (PAM)–silica nanocomposite hydrogels with enhanced mechanical performance were synthesized by in situ polymerization of acrylamide in the presence of colloidal silica nanoparticles. Two kinds of silica particle dispersions with different surface properties, CAL25 and 30R25, were used as models. The former is stabilized by aluminium while the latter by sodium. The compressive stress-strain...
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