等离子体处理对CF/PI复合材料高温界面性能的影响

董哲瑄, 陈平, 刘兴达

Effect of Plasma Treatment on Interfacial Properties of CF/PI Composites at Elevated Temperatures

DONG Zhexuan, CHEN Ping, LIU Xingda

表3 氩气等离子体处理不同时间后碳纤维表面各基团的相对含量

Table 3 Concentration of functional groups on the carbon fiber surface treated for different time by argon plasma

Treatment time / min Concentration of correlative functional groups / % -C-C- -C-N- -C-O- -O-C=O 0 64.56 18.46 9.68 7.30 5 62.21 15.96 12.38 9.45 7 60.40 16.37 14.37 8.86 15 63.73 17.26 11.28 7.73