A kind of copolyurethanes with nitro-substituted azobenzene side groups have been synthesized and characterized by FT-IR, UV, DSC, WAXD and PLM(polarized light microscopy).

• 合成了一类带硝基偶氮苯侧链的共聚聚氨酯,并用FT-IR、UV、DSC、WAXD和偏光显微镜等方法进行了表征。