Abstract
New siloxane-based amphiphilic compounds (a dimer and two copolymers with pendant functional groups) have been synthesized starting from tris(hydroxymethyl)aminomethane (tromethamol) and glycidyl-functionalized siloxane precursors. They have been characterized by spectroscopic methods (Fourier transform infrared (FTIR) spectroscopy and 1H-nuclear magnetic resonance (NMR)) and their surface properties have been investigated by tensiometry. Surfactant behavior in water (for the dimer and a copolymer with 1.5/1 dimethyl/hydrophilic group ratio) or dimethylformamide (DMF) (for a copolymer with lower hydrophilic content) was emphasized. Low critical micelle concentration (CMC) values and equilibrium surface tensions were detected. By dynamic contact angle measurements, very good wetting behavior towards glass was observed.
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