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中文摘要：
手征向列相（N＊）液晶能够选择性反射入射光,但其反射波宽一般小于150nm。利用负介电各向异性的向列相液晶SLC10V513-200与手性化合物R1011、CB15配制出5种N＊液晶,其反射波长能够覆盖整个可见光波段。使用异佛尔酮二异氰酸酯（IPDI）界面聚合法制备出平均粒径为8.0μm的5种N＊液晶聚脲微胶囊之后,将相同质量的5种微胶囊混入OP-10与IPDI中制备出微胶囊的凝胶。对80.0μm厚微胶囊凝胶薄膜施加交流电场,使微胶囊中的液晶处于平面织构状态,紫外固化微胶囊中的液晶性单体,固定微胶囊中N＊液晶的平面织构,从而制备出可以反射可见光波段的微胶囊凝胶薄膜。
英文摘要：
Chiral nematic（N＊） liquid crystal can reflect incident light selectively,and the reflective bandwidth is less than 150 nm commonly.Five N＊ liquid crystals were prepared from a nematic liquid crystal with negative dielectric anisotropy SLC10V513-200 and chiral compounds R1011,CB15.Their reflective spectra could cover with the entire visible spectrum.Polyurea microcapsules containing above N＊ liquid crystals were prepared by interfacial polymerization of isophorone diisocyanate（IPDI）.By mixing same weight of five kinds of microcapsules together in surfactant OP-10 and IPDI,a gel was obtained.Applying an alternating electric field to an 80.0 μm gel film,the liquid crystal molecules in microcapsules would align parallel with the substrates.Curing monomer in the microcapsules with UV light and planar texture can be fixed,so the gel film which could reflect entire visible light wavelength range was prepared.
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