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Novel generation of liquid crystalline photo-actuators based on stretched porous polyethylene films

 
: Ryabchun, A.; Bobrovsky, A.; Stumpe, J.; Shibaev, V.

:

Macromolecular rapid communications 33 (2012), Nr.11, S.991-997
ISSN: 1022-1336
ISSN: 1521-3927
Englisch
Zeitschriftenaufsatz
Fraunhofer IAP ()

Abstract
The preparation of photo-actuators based on stretched porous polyethylene and an azobenzene-containing liquid crystalline polymer network is reported for the first time. It is revealed that this kind of photo-actuator possesses the following advantages: the lack of a need for using aligning coatings and cells preparation, high deformation of the actuator and its complete reversibility, good mechanical properties, and relatively low cost of fabrication. In addition some kinetic and thermodynamic features of the bending and unbending processes have been studied.

: http://publica.fraunhofer.de/dokumente/N-206326.html