Sánchez-Ferrer, Antoni Fischl, Tamás Stubenrauch, Mike Wurmus, Helmut Hoffmann, Martin Finkelmann, Heino 2009-09-22 Photo-crosslinkable side-chain liquid-crystalline polymers (LCPs) containing photoreactive benzophenone cores are synthesized in order to obtain their corresponding side-chain liquid-crystalline elastomers (LCEs). This strategic synthesis allows thin elastomeric films and their integration into microsystems for actuators and micromachines to be obtained. As an example of this principle, a gripper was developed. The position of its arms can be changed by applying voltages from 1.5 to 3.5 V at different rates. Small changes in the liquid-crystalline elastomer film cause strains of up to 150% in the microdevice and the capacity to move up to 400 times its own mass due to the nematic-to-isotropic transformation. application/pdf https://folia.unifr.ch/global/documents/301249 https://folia.unifr.ch/documents/301249/files/sanchez_pcs.pdf eng info:eu-repo/semantics/altIdentifier/doi/10.1002/macp.200900308 info:eu-repo/semantics/openAccess License undefined Macromolecular Chemistry and Physics. - 2009, vol. 210, no. 20, p. 1671-1677 actuator elastomers films liquid crystal microsystems photo-crosslinking info:eu-repo/classification/udc/53 Photo-crosslinked side-chain liquid-crystalline elastomers for microsystems http://purl.org/coar/resource_type/c_6501