Title: Visible Light Responsive Liquid Crystal Polymers Containing Reactive Moieties with Good Processability

Author: Yuyun Liu, Wei Wu, Jia Wei*, Yanlei Yu*

Journal: ACS Appl. Mater. Interfaces, 2017, 9(1), 782-789.

Abstract:

Two types of novel reactive linear liquid crystal polymers (LLCPs) with different azotolene concentrations have been synthesized and processed into films and fibers by solution and melting processing methods. Then, the LLCPs in the obtained monodomain fiber and polydomain film were easily cross-linked with difunctional primary amines. The resulted cross-linked liquid crystal polymers (CLCPs) underwent reversible photoinduced bending and unbending behaviors in response to 445 and 530 nm visible light at room temperature, respectively. The post-cross-linking method provides a facile way to prepare the CLCP films and fibers with different shapes from LLCPs, which can be processed by traditional melting and solution methods.

论文链接：https://pubs.acs.org/doi/abs/10.1021/acsami.6b11550

PDF链接:Visible Light Responsive Liquid Crystal Polymers Containing Reactive Moieties with Good Processability.pdf

本研究采用溶液法和熔融法合成了两种具有不同偶氮甲苯浓度的新型反应性线型液晶聚合物(LLCPs)，随后通过旋涂或提拉技术加工成薄膜和纤维，然后与双官能伯胺进行后交联反应。所制备的交联液晶聚合物(CLCPs)在445 nm和530 nm可见光下，在室温下分别发生了可逆的光诱导弯曲和回复。该后交联方法为利用LLCPs制备不同形状的CLCP薄膜和纤维提供了一种简便的方法，其中，LLCPs可以通过传统的熔融法和溶液法进行处理。