The structures of complexes between polyethylene imine and sodium dodecyl sulfate in D2: A scattering study

Article Abstract:

The study investigated the association between a highly branched polyeletctrolyte with ionizable groups, polyethylene imine (PEI), and an anionic surfactant, sodium dodecyl sulfate (SDS) at two pH values, using small-angle neutron and light scattering (SANS). Data from both static light scattering and SANS recorded under conditions where SDS and to lower degree PEI contribute to the scattering were found to be consistent with a structure of stacked elliptic bilayers.

Plastics Material and Resin Manufacturing, Plastics materials and resins, Polyethylene, Schiff bases, Atomic properties

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Reswelling of polyelectrolyte hydrogels by oppositely charged surfactants

Article Abstract:

The interactions between charged alkylacrylamide gels of varying hydrophobicity and charge density, and the oppositely charged surfactant hexadecyltrimethylammonium are investigated. The results obtained were used to determine the conditions necessary to induce excess surfactant binding and resolubilization of the polymer-surfactant complex.

All Other Basic Organic Chemical Manufacturing, Industrial Organic Chemicals, Surface active agents, Surface Active Agent Manufacturing, Acrylamides, Chemical properties, Acrylamide

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