Synthesis and Properties of a Novel Thiophene-Based Conducting Copolymer with Mesogenic Groups Attached Parallel to the Polymer Backbone

A novel thiophene‐based conducting copolymer has been synthesised with mesogenic groups attached parallel to the conducting polymer backbone; preliminary data are reported on its properties. These indicate that as the nonmesogenic intermediate polymer is converted into a liquid‐crystalline polymer t...

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Bibliographic Details
Published in:Macromolecular rapid communications. 2004-05, Vol.25 (10), p.1000-1003
Main Authors: Brown, John W., Lambe, Gillian J., Foot, Peter J. S., Clipson, Jacqueline A.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
liquid-crystalline polymers (LCP)
Organic polymers
parallel attached
Physicochemistry of polymers
Polymers with particular properties
polythiophene
Preparation, kinetics, thermodynamics, mechanism and catalysts
sideways attached
synthesis
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Summary:A novel thiophene‐based conducting copolymer has been synthesised with mesogenic groups attached parallel to the conducting polymer backbone; preliminary data are reported on its properties. These indicate that as the nonmesogenic intermediate polymer is converted into a liquid‐crystalline polymer there is a significant increase in conductivity. Measurement of the temperature‐dependent conductivity indicates a reduction of the activation energy in the liquid‐crystalline phase. Poly[(1‐(thiophene‐3‐methyloxy)‐6‐(4‐n‐hexyloxy‐2‐oxybenzoic acid)hexane)‐co‐(3‐n‐hexylthiophene)].
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.200400035