期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 1, 页码 782-789出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b11550
关键词
liquid crystal; linear polymer; good processability; photoinduced deformation; azotolene
资金
- National Natural Science Foundation of China [21134003, 21273048, 51225304, 51573029]
- National Key Research and Development Program [2016YFA0202900]
- Shanghai Outstanding Academic Leader Program [15XD1500600]
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.
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