3 years ago

Liquid Crystal Elastomer Actuators from Anisotropic Porous Polymer Template

Liquid Crystal Elastomer Actuators from Anisotropic Porous Polymer Template
Ping Song, Li Yu, Hun Chi, Qian Wang, Lin Guo, Meina Yu, Huai Yang, Dongyu Zhao
Controlling self-assembly behaviors of liquid crystals is a fundamental issue for designing them as intelligent actuators. Here, anisotropic porous polyvinylidene fluoride film is utilized as a template to induce homogeneous alignment of liquid crystals. The mechanism of liquid crystal alignment induced by anisotropic porous polyvinylidene fluoride film is illustrated based on the relationship between the alignment behavior of liquid crystals and surface microstructure of anisotropic polyvinylidene fluoride film. Liquid crystal elastomer actuators with fast responsiveness, large strain change, and reversible actuation behaviors are achieved by the photopolymerization of liquid crystal monomer in liquid crystal cells coated with anisotropic porous films. A highly anisotropic porous polyvinylidene fluoride polymer film is used as a template to induce homogeneous alignment of liquid crystals and fabricate liquid crystal elastomer actuators with fast responsiveness, large strain change, and reversible actuation behaviors.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/marc.201600699

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