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Samples of third-generation cylindrical dendrimers with molar masses rangingin the interval 20000...60000 have been studied by the methods of equilibriumand non-equilibrium electrical birefringence, molecular hydrodynamics andoptics. It was found that the absolute values of Kerr and flow birefringenceconstants exceed the values obtained for analogous dendrimers of lowergenerations. The mechanism of reorientation has proven to be strongly dependenton the physical and chemical properties of the solvent. In chloroformsolutions, the studied dendrimers align to the microwave-frequency electricfields according to large-scale mechanism. In dichloroacetic acid solutions,the observed reorientation mechanism is low-scale, which is explained bydegradation of intermolecular hydrogen bonds. Terminal dendritic substituentsof the macromolecules have experimentally proven to be oriented mainly alongthe primary polymer chain.

Third-generation cylindrical dendrimers based on L-aspargic acid in solutions: hydrodynamic and electrooptical properties