Synthesis and characterization of metal-containing poly(siloxane-urethane) crosslinked structures derived from siloxane diols and ferrocene diisocyanateElectronic supplementary information (ESI) available: FTIR spectra, TGA and DSC curves, XPS spectra and CV curves of poly(siloxane-urethane) crosslinked structures (PSFUs). See DOI: 10.1039/c5ra15290a

Three new poly(siloxane-urethane) crosslinked structures (PSFUs) were prepared from 1,1′-diisocyanatoferrocene (Fc(NCO) 2 ), and two siloxane diols in different proportions, i.e. α,ω-bis(hydroxybutyl)oligodimethylsiloxane (HS-1) and a hybrid diol containing hydrolysable triethoxy (-Si(-O-Et) 3 ) gro...

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Main Authors: Dascalu, Mihaela, Musteata, Valentina E, Vacareanu, Loredana, Racles, Carmen, Cazacu, Maria
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Musteata, Valentina E
Vacareanu, Loredana
Racles, Carmen
Cazacu, Maria
description Three new poly(siloxane-urethane) crosslinked structures (PSFUs) were prepared from 1,1′-diisocyanatoferrocene (Fc(NCO) 2 ), and two siloxane diols in different proportions, i.e. α,ω-bis(hydroxybutyl)oligodimethylsiloxane (HS-1) and a hybrid diol containing hydrolysable triethoxy (-Si(-O-Et) 3 ) groups (HS-2). The formation of the urethane groups along the polymer backbone was first confirmed by the presence of the specific bands in FTIR spectra. The resulting materials were characterized using differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), dielectric spectroscopy (DE) and X-ray photoelectron spectroscopy (XPS). Cyclic voltammograms of the compounds showed quasi-reversible oxidation-reduction waves making them suitable for sensing applications. Ferrocene, siloxane and polyurethane moieties were combined for the first time in cross-linked materials with interesting electric and electro-chemical behavior.
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title Synthesis and characterization of metal-containing poly(siloxane-urethane) crosslinked structures derived from siloxane diols and ferrocene diisocyanateElectronic supplementary information (ESI) available: FTIR spectra, TGA and DSC curves, XPS spectra and CV curves of poly(siloxane-urethane) crosslinked structures (PSFUs). See DOI: 10.1039/c5ra15290a
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