利用对-硝基苯基重氮氟硼酸盐和聚酰胺酸进行重氮偶合反应，然后再经过酰亚胺化反应，合成了侧链含偶氮染料发色团的聚酰亚胺非线性光......

In order to improve the nonlinear optical property and stability of azo-dye chromophore, the nonlinear optical polyimide......