Polyimide/silica nano-hybrid films of different solid content were prepared via the sol-gel route using tetraethoxysilane(TEOS) as inorganic precursor.

• 利用正硅酸乙酯(TEOS)做为无机前驱体,采用溶胶-凝胶(Sol_Gel)法,制备了SiO2含量一定,固体含量不同的聚酰亚胺/二氧化硅(PI/SiO2)纳米杂化薄膜。