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Liquid Crystal Elastomer Beads

Liquid crystals are intermediate in order between a liquid and a crystalline solid and combine fluidity with phase anisotropy, in particular optical birefringence. Liquid crystalline materials have widespread applications in for example electro-optical displays and sensors.

York researchers have discovered a method of making elastomer cross-linked polymer beads with liquid crystalline properties. They have achieved this by suspension polymerisation of known mesogenic units that are appropriately functionalised with polymerisable groups.

The technology allows modification of the surface of the beads with suitable groups, for example by including a small percentage of reactive co-monomer in the cross-linked polymer network.

Benefits

Numerous potential applications and benefits in sensors and visual media.

Applications

The liquid crystal beads may act as sensors as their elasticity allows them to reversibly respond to external stimuli with a change in their shape or size or a change in liquid crystalline order. Such stimuli can include temperature changes, an external reaction, a change in solvent or a mechanical, electrical or magnetic stimulus.

Investment readiness status

Available for licensing

IP status

PCT application filed