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Determination by DSC of solid–liquid diagrams for polyaromatic – 4,4’diaminodiphenylmethane binary systems

Analysis in terms of modified UNIFAC
  • Khimeche K Email author
  • Dahmani A 
Article

Abstract

Diamines are an important group of compounds in different fields of industry and particularly in the synthesis of a number of polymers. In this work, study of binary solid-liquid equilibriums SLE for (biphenyl+4,4’diaminodiphenylmethane), and (naphthalene+ 4,4’diaminodiphenylmethane) systems is done by differential scanning calorimetry.>

Results obtained with this technique are compared with those predicted by modified UNIFAC (Larsen and Gmehling) models. It was found out that all the systems are eutectic and globally good agreement is obtained between experimental and predicted SLE.

Keywords

diamines, polyaromatics solid–liquid phase diagrams UNIFAC model 

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.Ecole Militaire Polytechnique EMPAlgerAlgérie
  2. 2.Faculté de chimie, USTHBLaboratoire de thermodynamique et de modélisation moléculaireAlgerAlgérie

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