The polyamide acid (PAA) is in situ synthesized by chemical synthesis theory, and the polyimide composite is prepared by TEOS modification.

• 摘要依据化学合成原理，采用原位一体工艺，合成聚酰胺酸(PAA)，通过正硅酸乙酯的改性，制成聚酰亚胺复合材料；