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Synthesis and Properties of Comb-Like Liquid Crystalline Polymers with Electrooptically Active Mesogenic Side Groups

Published online by Cambridge University Press:  21 February 2011

M. Maeda
Affiliation:
on leave from Asahi Chemical Industry, Tokyo,Japan
R.S. Kumar
Affiliation:
University of Lowell, Lowell, MA 01854
A. Blumstein
Affiliation:
University of Lowell, Lowell, MA 01854
S.K. Tripathy
Affiliation:
University of Lowell, Lowell, MA 01854
P. Sixou
Affiliation:
Laboratoire de Physique de la Matiére Condensée, Université de Nice, Nice, France
F. Faubert
Affiliation:
Laboratoire de Physique de la Matiére Condensée, Université de Nice, Nice, France
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Abstract

In an attempt to synthesize side chain liquid crystalline polymers containing NLO active moieties, a number of psubstituted aromatic azomethine phenols with donor-acceptor substituents such as N≡C and NO2 were prepared and incorporated into a polymer chain as side groups.

Liquid crystalline properties of intermediate compounds composed of such moieties were explored separately and in mixtures. Phase diagrams were established. These intermediate compounds of M2C8 and M5C8 show interesting mesogenic properties.

Methacrylic esters with such moieties were also synthesized. Homopolymer and copolymer systems with donor-acceptor substituents were obtained. Such copolymers also display liquid crystalline properties.

Type
Research Article
Copyright
Copyright © Materials Research Society 1990

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References

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