INVESTIGADORES
D'ACCORSO Norma Beatriz
artículos
Título:
Mesomorphic properties of linear and branched new triphenylene‐based poly(ester‐ether)s
Autor/es:
SUBURU, MATIAS E. G.; CECCHI, FLORENCIA; D'ACCORSO, NORMA; CUKIERNIK, FABIO DANIEL
Revista:
Journal of Polymer Science
Editorial:
Wiley
Referencias:
Año: 2020 vol. 58 p. 1163 - 1176
ISSN:
2642-4150
Resumen:
A series of main chain discotic liquid crystal polymers, synthesized following anew approach based on the incorporation of triphenylene units in both comonomers,show ordered columnar mesophases in a very wide thermal range,including room temperature. The introduction of branching points based onthe same kind of triphenylene units increases their thermal range and givesrise to glassy low-temperature phases. Room temperature extrusion of thesepolymers yields fibers with molecules oriented perpendicular to the mechanicalstress, and an orientational order parameter close to 0.5, which slightlyincreases for branched polymers.
