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Synthesis and characterization of immobilized-polysiloxane monoamine-thiol triacetic acid and its diamine and triamine derivatives

Abstract : In this work, a new porous solid polysiloxane material with thiol-amine-based multiple functional groups polysiloxane-(monoamine-thiol) triacetate, P-(N-S)-TrEA (where P- represents [Si-O](n) polysiloxane network), was synthesized using one-pot reaction of TEOS with 3-iminodiethylacetatepropyltrimethoxysilane and 3-thiolethylacetatepropyltrimethoxysilane in the presence of CTAB as a surfactant. Its ethylenediamine and diethylenetriamine-modified polysiloxane-(monoamine-thiol)-tris(N-2-aminoethylacetamide), P-(N-S)-TrEA-NN, and polysiloxane-(monoamine-thiol)-tris(N-3,6-diazahexylacetamide), P-(N-S)-TrEA-NNN, chelating ligand systems were also obtained. The previously reported simple functionalized polysiloxane (monoamine-thiol) has been modified to obtain thiol-monoamine-based multiple functional groups. A variety of methods and techniques including FTIR, solid-state C-13 NMR, XPS and TGA have been used for establishing their structure.
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https://hal.archives-ouvertes.fr/hal-01450925
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Submitted on : Tuesday, January 31, 2017 - 2:47:39 PM
Last modification on : Friday, October 30, 2020 - 2:40:03 PM

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Mona A. Ahmed, Asmah A. Abu Shaweesh, Nizam M. El-Ashgar, Issa M. El-Nahhal, Mohamed M. Chehimi, et al.. Synthesis and characterization of immobilized-polysiloxane monoamine-thiol triacetic acid and its diamine and triamine derivatives. Journal of Sol-Gel Science and Technology, Springer Verlag, 2016, 78 (3), pp.660-672. ⟨10.1007/s10971-016-3980-9⟩. ⟨hal-01450925⟩

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