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来源:百度知道 编辑:UC知道 时间:2024/06/01 12:37:03
摘 要
本文的目的一是采用紫外光聚合分相法混合体系(可光聚合单体(C6M)/向列型液晶(SLC1717)/手性化合物(CB15)/光引发剂(651)/纳米SiO2 )
产生相分离,置备以C6M为基体的聚合物稳定胆甾相织构膜材料,并研究其性能。二是研究一种SiO2/液晶复合体系,在此体系中,SiO2粒子经过手性化合物的修饰,由于粒子表面的电性,在电场下,SiO2粒子可以带动手性中心移动,由此产生SiO2/液晶复合体系的螺距梯度,由此来制造新型的宽反射波带的功能材料。
利用偏光显微镜(POM)观察液晶的光学形态;利用分光光度计测液晶复合材料的透射光谱;利用液晶参数综合测试仪测定胆甾相液晶的电光特性;利用扫描电镜(SEM)来观察高分子聚合物网络的形貌。研究了在本文所涉及的液晶复合材料中各组分的含量对其光电性能的影响,以及掺杂不同种类不同浓度(0%-4%)的改性SiO2纳米粒子于负性液晶中,配置出一种电光性能优异的复合材料。

Abstract
The purpose of this article first use of UV-phase polymerization mixed system (photopolymerization monomer (C6M) / to the out-LCD (SLC1717) / chiral compounds (CB15) /-initiator (651) / nano-SiO2)
A phase separation, to maintain the C6M the polymer matrix for the stability of cholesteric texture of film material, and to study its performance. The second is a study SiO2 / LCD complex system, in this system, SiO2 particles of the compound after the hand-modified, because the particles, the surface of the electric field, SiO2 particles can promote the hands of mobile centres, resulting SiO2 / LCD complex system of pitch gradient, to create this new type of wide-band reflection of functional materials.
Using polarized light microscopy (POM) of the optical observation of liquid crystal patterns; spectrophotometer measured using liquid crystal composite transmission spectrum of the use of LCD comprehensive test to measure the cholesteric liquid crystal electro-o