molecular interactions in a surfactant-water-polyacrylamide

molecular interactions in a surfactant-water-polyacrylamide
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  • Does a polymer interact with a surfactant?
  • The polymer, however, slows down the interface nearly threefold compared to pure water or the monomer. These results strongly suggest that the polymer localizes to the interface and interacts more strongly with the surfactant compared to the monomer.
  • How do polymer chains interact with surfactant charged groups?
  • This leads to a model where polymer chains tightly wrap around aggregates with their charged groups in contact with surfactant charged groups. The difference of behavior between PS1 and PS4 is attributed to the contribution of hydrophobic interactions between PS4 butyl side chains and surfactant alkyl chains.
  • What is the adsorption of oppositely charged polyelectrolyte/surfactant mixtures?
  • The Adsorption of Oppositely Charged Polyelectrolyte/Surfactant Mixtures:  Neutron Reflection from Dodecyl Trimethylammonium Bromide and Sodium Poly(styrene sulfonate) at the Air/Water Interface.
  • Do polyacrylamide hydrogels have a od stretch?
  • The dynamics and structure of water in polyacrylamide hydrogels (PAAm-HG), polyacrylamide, and acrylamide solutions are investigated using ultrafast infrared experiments on the OD stretch of dilute HOD/H 2 O and molecular dynamics simulations.