Synthesis and conformation properties of alkylene-aromatic poly (ether esters) with nonlinear hetaryl-containing mesogenic fragments in the backbone

SV Bushin, LN Andreeva, IA Strelina, LI Rudaya…

Index: Bushin; Andreeva; Strelina; Rudaya; Chernienko; Ramsh; Shamanin Russian Journal of Applied Chemistry, 2011 , vol. 84, # 5 p. 832 - 839

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Abstract

Abstract A thermotropic mesogenic alkylene-aromatic poly (ether ester) was prepared by phase-transfer polycondensation of the azomethine derived from 5-amino-2- phenylbenzoxazole and 3, 4-dihydroxybenzaldehyde with 1, 6-bis (4- chlorocarbonylphenoxy) hexane in the presence of a phase-transfer catalyst, trimethylhexadecylammonium bromide. The intramolecular orientation order parameters ...