Abstract
Thermosensitive and pH-sensitive poly[N-(2-(diethylamino)ethyl]acrylamide) is synthesized by radical polymerization. The molecular weight of the sample is 18 × 103. The buffer solutions of the synthesized polymer are studied by light scattering and turbidimetry in the pH range from 7.00 to 13.00 and at concentrations from 0.00020 to 0.0080 g/cm3. It is found that at pH ≥ 7 with a rise in temperature, a structural-phase transition is observed in poly(N-[2-(diethylamino)ethyl]acrylamide) solutions. The phase separation temperatures decrease with increasing concentration and pH of solution.
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