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Título: Phase characterization of two homologous series of LC methacrylic monomers based on omega-hexyl- and omega-butyl-oxysalicylaldimine groups with different alkoxy tail substitutions
Autores: Soto Bustamante, Eduardo Arturo
Saldaño Hurtado, Danilo
Vergara Toloza, R. O.
Navarrete Encina, P. A.
Athanassopoulou, M. A.
Fecha: 2009-09-21
2009-09-21
2003-01
Publicador: TAYLOR & FRANCIS LTD
Fuente: Ver documento
Tipo: Artículo de Revista
Tema: X-RAY
POLYMERS
Omega-hexyl
Omega-butyl-oxysalicylaldimine groups
Omega-hexyl- and omega-butyl-oxysalicylaldimine groups
Descripción: The phase characterization of two homologous series of liquid crystalline methacrylic monomers based on omega-hexyl- and omega-butyloxysalicylaldimine groups, with different alkoxy tails, is presented. The liquid crystalline materials were characterized by polarising optical microscopy. differential scanning calorimetry, differential thermal analysis, and X-ray diffraction. All the monomers exhibit the simultaneous occurrence of smectic A and C phases, When the alkyl chain is short narrow nematic phase is observed, leading to an I-N-SmA-SmC phase sequence.
Idioma: Inglés
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