Stability of Polyaniline Aqueous Dispersions Prepared in the Presence of Surfactant Mixturesстатья
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Дата последнего поиска статьи во внешних источниках: 11 мая 2022 г.
Аннотация:Aqueous dispersions of doped polyaniline were synthesized in the presence of mixtures of a carboxylcontaining polymeric surfactant with low- and high-molecular-mass stabilizers. Polyaniline aqueous dispersions obtained using a mixture of carboxyl-containing polymeric and low-molecular-mass surfactants are characterized by high dispersity and narrow particle-size distribution but low sedimentation stability. The doping agent influences the stability of the dispersions prepared in the presence of polymeric and low-molecular-mass surfactants. The dispersions obtained using a mixture of macromolecular surfactants are characterized by larger particle size but higher sedimentation stability due to increased viscosity of the system.