2026-05-30T08:58:17Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/57672024-11-05T10:56:27Zcom_10259_4393com_10259_5086com_10259_2604col_10259_4394

Alonso Tristán, Cristina González López, Juan Antonio García de la Fuente, Isaías Sanz, Luis Felipe Cobos, José Carlos . 2021-05-17T10:28:58Z 2021-05-17T10:28:58Z 2019-01 0167-7322 http://hdl.handle.net/10259/5767 10.1016/j.molliq.2018.10.135 Liquid-liquid equilibria (LLE) phase diagrams have been determined for the systems: 2-ethoxy-benzenamine + octane, or +decane, or +dodecane, or +tetradecane and for 4-ethoxy-benzenamine + heptane, or +octane. The experimental method used is based on the observation, by mean of a laser scattering technique, of the turbidity produced on cooling when a second phase takes place. All the mixtures show an upper critical solution temperature, which increases with the alkane size. Dipolar interactions between like molecules become stronger in the sequence: 2-ethoxy-benzenamine < aniline < 4-ethoxy-benzenamine. Data available in the literature suggest that this relative variation is also valid for alkane mixtures containing other substituted anilines or phenols, characterized by having a second polar group. The dependence of the UCST values with the molecular structure of the polar aromatic compound involved is shortly discussed in terms of intramolecular and steric effects. eng http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess Attribution-NonCommercial-NoDerivatives 4.0 Internacional LLE Phenetidine Alkane Substituted anilines or phenols Intramolecular effects Liquid-liquid equilibria for the systems 2-ethoxy-benzenamine + CH3(CH2) CH3 (n = 6,8,10,12) and 4-ethoxy-benzenamine + CH3(CH2) CH3 (n = 5,6) info:eu-repo/semantics/article