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Recent Advances in Liquid Crystal/Polymer Composites and Their Applications in Reverse⁃mode Electrically Switchable Light⁃transmittance Controllable Films
Cheng ZOU, Yan-Zi GAO, Mei-Na YU, Jiu-Mei XIAO, Lan-Ying ZHANG, Huai YANG
Chinese Journal of Applied Chemistry    2021, 38 (10): 1213-1225.   DOI: 10.19894/j.issn.1000-0518.210373
Abstract   (960 PDF (6084KB)(1044)  

Liquid crystals as the basic materials in modern era of information age have been wildly commercially used in displays. Liquid crystal/polymer composites not only have the advantages of anisotropy and stimulus responsive characteristics similar with liquid crystals, but also have the processibility and cost-effectiveness similar with polymers, which have promising applications in building glass and smart car windows. Besides, the interactions between liquid crystals and polymers will affect the molecular alignment of liquid crystals, meanwhile liquid crystals could also affect the formation direction of polymer networks. Thus a lot of interest has been motivated in the study of liquid crystal/polymer composites. Different types of liquid crystal/polymer composites, their characteristics, applications in light-transmittance controllable films and recent advances in reverse-mode films are reviewed. In the framework, we will make emphasis on the summary of the progress in preparation of reverse-mode light-transmittance controllable films based on liquid crystal/polymer composites. Simultaneously, the challenges and applications of reverse-mode film are also discussed and prospected.


Fig.15 (a)—(d) Schematic diagram of a two-step UV polymerization route for making the PD&PSLC film and (e) some of the chemical structures and physical properties of the reagents used in the study 55
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