THE BEHAVIOR OF THE PH-AND THERMO- RESPONSIVE COPOLYMERS -(DIМETHYLAMINO)ETHYLMETACRYLATE) AND LAURYLMETACRYLATE IN AQUEOUS SOLUTIONS
The behavior of the copolymers N-(3-(diethylamino)propyl)-N-methylacrylate and laurilmethacrylate in buffer solutions was investigated by the methods of light scattering and turbidimetry. The copolymers were synthesized by the method radical polymerization at 70°C, the reaction duration was equal to 4 hours. Solutions with concentration pH = (10.02) in the range concentration from 0.01 to 1.3 g/dl were studied. The temperature dependences of the optical transmission, the scattered light intensity and the hydrodynamic size of the scattering objects were obtained. The temperature dependence of light scattering intensity, optical transmission, and hydrodynamic radii of the scattering objects were obtained. It was established, that an increase in concentration leads to the decrease of phase separation temperature.