Modified coupling agents based on thiourea, immobilized onto silica. Thermodynamics of copper adsorption

New silylating agents synthesized by incorporating the thiourea molecule into precursor agents containing increasing numbers of basic nitrogen atoms, 3-aminopropyltriethoxysilane, N-[3-(trimethoxysilyl)propyl]-ethylenediamine and N-[3-(trimethoxysilyl)propyl]diethylenetri-amine, through a solvent-fr...

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Veröffentlicht in:	Surface science 2009-07, Vol.603 (14), p.2200-2206
Hauptverfasser:	Oliveira, Fernando J.V.E., da Silva Filho, Edson C., Melo, Maurício A., Airoldi, Claudio
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Calorimetry Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Copper Copper removal Cross-disciplinary physics: materials science rheology Exact sciences and technology Inorganic–organic hybrids Nitrogen atoms Organofunctionalization of surfaces Physics Silicon dioxide Surface chemistry Thermodynamics Thiourea Thioureas
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