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Light scattering, turbidimetry, and viscosimetry have been used to study aqueous solutions of poly-2-isopropyl-2-oxazolines differing in the structure of their hydrophobic terminal groups. The phase separation temperature was determined. A… Click to show full abstract
Light scattering, turbidimetry, and viscosimetry have been used to study aqueous solutions of poly-2-isopropyl-2-oxazolines differing in the structure of their hydrophobic terminal groups. The phase separation temperature was determined. A complex temperature dependence was found for the viscosity of these solutions featuring an inflection point near the phase separation temperature. The addition of polyacrylic acid to a solution of poly-2-isopropyl-2-oxazoline has only a weak effect on the phase transition temperature but has a considerable effect on the viscosity of the system.
Journal Title: Fibre Chemistry
Year Published: 2018
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