Abstract
The phase behavior and rheological properties of the mixtures of wormlike micelles of the cationic surfactant erucyl-bis(hydroxyethyl) methyl ammonium chloride and oppositely charged stiff-chain polyelectrolyte xanthan are studied. It is shown that, in the presence of an excess of a low molecular weight salt, which suppresses complex formation between the surfactant and the polymer, mixing allows a synergistic increase in the elastic modulus of the system to be achieved, which may be due to the formation of entanglements between polymer chains and wormlike micelles.
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