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Novel liquid crystalline (LC) polyacetylene derivatives were synthesized to develop advanced LC conducting polymers with abilities of quick response to an electric field used as an external force. In practice we synthesized ferroelectric LC conducting polymers by introducing fluorine — containing chiral LC groups into side chains of polyacetylenes. Phase transition behaviors of these polymers were...
Chiroptical liquid crystalline (LC) substituent with fluorine-containing asymmetric moiety was introduced into the 3-position of thiophene ring. Polymerizations of 2,5-dibrominated thiophene monomers were carried out through dehalogenative polycondensations. The polymers showed several types of smectic phases in the heating and cooling processes. Besides, one of the polymers exhibited a striated fan-shaped...
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