Method for preparing liquid crystal elastomer intelligent material with three-dimensional reversible drive
A technology for liquid crystal elastomers and smart materials, applied in liquid crystal materials, chemical instruments and methods, etc., can solve the problems that the liquid crystal cells are not fully oriented, cannot produce reversible deformation, and the single domain is easy to disappear, and achieve stable orientation and method. Simple, low-cost effect
Active Publication Date: 2020-08-04
TSINGHUA UNIV
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Abstract
The invention discloses a method for preparing a liquid crystal elastomer intelligent material with three-dimensional reversible drive. A dynamic covalent bond is introduced into a liquid crystal elastomer, the liquid crystal elastomer is converted into a three-dimensional structure by using an external force, and an exchange reaction in a system is activated under external stimulation (such as light and heat), so that liquid crystal element orientation caused by external force deformation is fixed, and the liquid crystal elastomer reversibly changes between a three-dimensional shape and a film. According to the method, the liquid crystal elastomer can have three-dimensional reversible drive without a catalyst, liquid crystal element orientation through stretching or overall orientation ofthe liquid crystal element.
Application Domain
Liquid crystal compositions
Technology Topic
Composite materialThree dimensional shape +4
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