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Content archived on 2022-12-23

Polymer liquid crystal networks : chiral structure - mechanical properties - piezoelectricity

Objective



The idea of the project is based on theoretical predictions that chiral L.C. polymer networks must exhibit many novel effects in mechanical, photoelastic and piezoelectric areas.
The project brings together three aspects:theoretical concepts, material design experiment, focused on liquid crystal (L.C.) chiral polymer networks.
The effect of controlled mollar chirality on the material properties of polymers and elastomers will be investigated in terms of mollar theory that describes specific new effects. The identified targets in the mollar structure of L.C. polymer networks, such as combination of chiral centers, mollar dipoles, side-group spacer properties, structure and distribution of crosslinks, network topology suggest the synthesis and preparation L.C. polymer networks based on chiral side chain cholesteric and smectic polyacrylates, with high mollar dipoles in side groups.
The results of joint theoretical and chemistry work will be developed in physico-chemical, dielectric and mechanical experiments via discovering and investigating new piezoelectric effects related to structure and properties of the LC polymer network.
The evaluation of the most promising chemical structures for the preparation chiral polymer networks with high piezoelectric response feeds back to the optimised synthesis of practical materials with possible applications in sensor devices and opto-electronics.

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Call for proposal

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Funding Scheme

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Coordinator

University of Cambridge
EU contribution
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Address

CB3 0HE Cambridge
United Kingdom

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Total cost

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Participants (3)

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