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前言液晶早在1888年就被奥地利植物学家F·Reinitzer发现。早年由于不曾找到液晶的实际用途,所以长期作为实验室里的特殊材料而没有发展。直到1968年发现了动态散射现象,才使液晶跳出了实验室的范围,进入了实用场所。高分子液晶的大规模研究工作始于70年代初期,目前已经发展为液晶中令人瞩目的领域,其重要性绝不亚于小分子液晶。其中,将小分子液晶与聚合物主链相键合而形成的液晶侧链聚合物也得到了迅速的发展。能形成液晶的物质非常多,可按不同的方式进行分类。按照物质分子量的大小,可以分为低分子液晶和高分子液晶;在高分子液晶中,按照物质的来源,可以分为天然
Foreword LCD as early as 1888 was discovered by the Austrian botanist F. Reinitzer. In the early years, because it did not find the actual use of liquid crystal, it has long been used as a special material in the laboratory without development. Until 1968 discovered the phenomenon of dynamic scattering, which led to the liquid crystal out of the laboratory, into a practical place. The large-scale study of polymer liquid crystals began in the early 1970s, has now developed into a remarkable area of liquid crystal, its importance never inferior to small molecule liquid crystal. Among them, the liquid crystal side chain polymer formed by bonding the small molecule liquid crystal with the polymer main chain has also been rapidly developed. Liquid crystal can form a very large number of substances, can be classified in different ways. According to the size of the material molecular weight, can be divided into low-molecular liquid crystal and polymer liquid crystal; in the liquid crystal polymer, according to the source of the material, can be divided into natural