Progress on Preparation of Liquid Crystal Polymer via Ring-opening Metathesis Polymerization
Liquid crystal polymer(LCP)possesses the anisotropic properties of liquid crystals and the mechanical property of polymers,showing the good potential in the applications of sensors,detectors and soft actuators.Ring-opening metathesis polymerization(ROMP),with the characteristics of living polymerization,mild reaction conditions and high functional group tolerance,is a feasible way to adjust the molecular structures and the molecular weight of the liquid crystal polymers.Therefore,this method becomes a versatile method to prepare LCP.This review paper mainly introduces the recent works of LCP prepared by ROMP.First,the researches focusing on the relationships between molecular structures and the properties of LCP are introduced,including the influences of molecular structures on the properties of LC homopolymers and copolymers.Second,the functions and actuators of LCP in different applications are exhibited,including photodeformation,shape memory effect,photonic crystals and the pattered films.In the end,the prospect and future of LCP prepared via ROMP are forecasted.
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