Abstract
This paper presents a study of the properties of aqueous solutions of poly( N-vinyl imidazole) quaternized with n-butyl bromide (PVIQ3). The influence of the temperature and polymer concentration on refractive index, electrical conductivity and surface tension was studied. The critical micelar concentration of PVIQ3 in aqueous solution was determined and correlated with the polymer solubility in water. All the PVIQ3 aqueous solutions properties were compared with those of poly( N-vinyl imidazole) (PNVI) and the influence of the quaternization process on the polymer properties was evidenced.
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