Abstract
AbstractWe study the statics and dynamics of surfactant bilayers made of penta-(ethylene glycol) dodecyl ether (C12E5) and hexanol molecules and the effect of the addition of adsorbed hydrophobically modified (hm) poly(acrylate) with C14 sidegroups randomly grafted by small angle neutron scattering (SANS) and neutron spin echo (NSE) spectroscopy. The rigidity and layer compression modulus of the surfactant membranes increase with membrane volume fraction and the addition of hydrophobically modified polymers. The relaxation of the single bilayer depends on the membrane volume fraction that deviates from what single membrane theories predicted. Polymer doping slows down the membrane relaxation and the effect is more prominent for large Q in which the dynamics of the single bilayer is probed.KeywordsSmall Angle Neutron ScatteringLamellar PhaseInterlamellar SpacingDynamic Structure FactorNeutron SpinThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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