Dynamic Dielectric Properties of Some Alkylamino Ethoxylates

摘要

Nine ethoxylated (EO) alkyl amines, (C_nH_(2n + 1)) N(EO)_x H(EO)_y H, with n = 10 to 16 and p = x + y = 7.6 to 14.5, were studied as pure liquids with respect to their dielectric relaxation behaviour over the frequency range 5 MHz to 36 GHz at 20℃. The broad and structureless dielectric loss spectrum is similar for all samples. It can be described by a main lower frequency spectral component of Havriliak-Negami type plus two minor, higher frequency Debye type components. The relaxation parameters are reported.