Structure and thermodynamics of liquid crystalline polyesters and copolyesters
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We have investigated the influence of aliphatic spacers with different lengths on the phase diagram of LC main chain copolyesters, based on x-ray and calorimetric measurements. The thermodynamic description is based on the assumption that considers each sequence, composed of mesogenic unit and spacer, as a “particle”. This allows to interpret the phase diagram of copolyesters as a quasi binary system. General features, such as an azeotropic point found in LC copolyesters, are related to the differences of the excess energies in LC and other phases.
Colloid and Polymer Science: Kolloid-Zeitschrift und Zeitschrift fuer polymere
Biochemistry and Cell Biology not elsewhere classified