热致收缩液晶弹性体材料性能研究  

Thermo-responsive Contraction of Liquid Crystal Elastomer

作　　者：宋静[1] 栗宏亮[1] 刘少云[1] 

机构地区：[1]长春理工大学材料科学与工程学院,长春130022

出　　处：《长春理工大学学报（自然科学版）》2011年第3期110-112,共3页Journal of Changchun University of Science and Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(50703039)

摘　　要：液晶弹性体材料作为一种新型的智能材料引起了人们的广泛兴趣。热致液晶弹性体薄膜可以在相变温度处产生收缩形变。实验中采用全息曝光的方法制备了具有栅状结构的热致液晶弹性体薄膜材料。通过偏光显微镜对弹性体薄膜的光栅结构、偏光特性进行检测。对该液晶弹性体薄膜的热致收缩性能进行测试,其热致收缩形变率为12%。There is an increasing intrerest in liquid crystal elastomers as smart materials.Uniaxial contraction of a free standing film of the material can be achieved by heating the film through the nematic to isotropic phase transtion.In this paper,liquid crystal elastomer was fabricated through holographic exposure setup.By using POM,we could ob-serve grating structure and polarization.Liquid crystal elastomer films were capable of producting 12% contraction at the nematic-to-isotropic phase transition.

关 键 词：液晶 液晶弹性体 热致收缩形变 

分 类 号：TN141.9[电子电信—物理电子学] TP211.6[自动化与计算机技术—检测技术与自动化装置]