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Structural isomerism in polycondensates. IV. Synthesis and characterization of liquid crystalline poly(azomethines) and low molecular weight model compounds
Auteur(s)
Date Issued
1986
Journal
Helv. Chim. Acta
Vol.
6
No
69
From page
1349
To page
55
Abstract
The polymn. of 4,4'-(decamethylenedioxy)dibenzaldehyde and 4,4'-(decamethylenedioxy)diacetophenone with 2,3,5,6-tetramethyl-p-phenylenediamine, 4,4'-ethylenedianiline, 4,4'-ethylenebis(aminocyclohexane), 3,3'-dimethylbenzidine, or 3,3',5,5'-tetramethylbenzidine yielded liq.-cryst. materials, the phase-transition temps. of which were detd. The phase-transition temps. and entropy changes assocd. with the melting and clearing points of several bis(azomethine) model compds. were shown. [on SciFinder(R)]
Publication type
journal article