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Observacion por microscopia de luz polarizada de fases ortogonales tipo de vries en dimeros cristalino líquidos arqueados

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 2012 Argentina Spanish; Castilian Publisher:Comité Interamericano de Sociedades para Microscopía Electrónica
Authors: Hegguilustoy, Claudia M.; Darda, Maria Belen; Montani, Rosana Silvia; Garay, Raúl Oscar;

handle: 11336/69659

Observacion por microscopia de luz polarizada de fases ortogonales tipo de vries en dimeros cristalino líquidos arqueados

Abstract

Cuando un compuesto funde para formar una mesofase el fenómeno se denomina termotropismo. En estas mesofases, designadas como cristalino líquidas, se pierde parcialmente el orden del estado cristalino y las moléculas individuales poseen movilidad. Los dímeros cristalino líquidos, DCL, poseen dos unidades mesogénicas semirígidas unidas por un espaciador flexible que normalmente es una cadena alquílica. Las propiedades transicionales de los DCL que presentan fases laminares son atribuídas a la dependencia de la forma molecular del dímero respecto al número de átomos del espaciador, considerando que adopta una conformación completamente trans. Un DCL con miembros pares tiene una forma en zigzag mientras que un DCL con miembros impares tiene una forma arqueada.

Fil: Hegguilustoy, Claudia M.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Química del Sur. Universidad Nacional del Sur. Departamento de Química. Instituto de Química del Sur; Argentina

Fil: Montani, Rosana Silvia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Química del Sur. Universidad Nacional del Sur. Departamento de Química. Instituto de Química del Sur; Argentina

Fil: Darda, Maria Belen. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Química del Sur. Universidad Nacional del Sur. Departamento de Química. Instituto de Química del Sur; Argentina

Fil: Garay, Raúl Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Química del Sur. Universidad Nacional del Sur. Departamento de Química. Instituto de Química del Sur; Argentina

Country
Argentina
Related Organizations
Keywords

Dcl, Dimeros, https://purl.org/becyt/ford/1.4, Mesofases, Mlp, https://purl.org/becyt/ford/1

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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