At the same time, the combining intensity between the modified layer and the base with the preoxidized PAN fibers as the reinforcer was stronger than that with the carbon fibers as the reinforcer.

• 同时，用预氧丝作增强剂得到的改性膜与基体之间结合的强度也明显优于用炭纤维作增强剂得到的改性膜与基体之间结合的强度。