采用等离子体处理方法对PBO(聚对苯撑苯并二口恶唑)纤维表面进行改性.用XPS和AFM测试分析等离子处理时间对PBO纤维表面组成和表面形貌的影响规律;首次采用浸润性测试和IR测试分析等离子体处理前后纤维浸润性和表面官能团的变化.用Microbond测试方法表征了纤维与树脂基体的界面剪切强度,并用SEM观察微复合材料破坏形貌.结果表明:等离子体处理后纤维浸润性得到改善,纤维表面苯环上引入了很多羟基.等离子体处理最佳条件下(170 W,10 min),纤维表面粗糙度最大,纤维表面O元素含量最大, O/C比率提高了50.5 %, IFSS值提高了64.7 %.
参考文献
[1] | Kumar S. Structure and properties of high performance polymeric and carbon fibers--An overview [J]. SAMPE Quarterly, 1989 (1): 3-8. |
[2] | 黄玉东,王天慧,李瑞华,等.PBO超级纤维 [A]. 见:夏源明编,第十一届全国复合材料会议论文集 [C]. 安徽: 中国力学学会, 2000.62-66. |
[3] | Krause S J, et al. Morphology and properties of rigid-rod PBO and abpbo fibers [J]. Polymer, 1998, 29(6): 1354-1362. |
[4] | Yong R J, et al. The structure and deformation behavior of PBO fibers [J]. Journal of Material Science, 1990,26(25): 127-136. |
[5] | Wu G, Hung C H. Effects of chemical treatments on high performance poly (p-phenylene benzobisoxazole) fibers [A]. In: Proceedings of the 12th Int Conf Comp Mat [C]. Paris: CD-ROM Publication.1999. |
[6] | 郑安呐,胡福增,吴叙勤,等. 碳纤维表面处理及其复合材料界面优化的研究[J].华东理工大学学报,1994,20(4):459-482. |
[7] | 笪有仙,罗爱琴,孙慕瑾.碳纤维表面性能的研究 [J]. 复合材料学报,1987,4(4):33-37. |
[8] | Kitagawa T, Yabuki K, Young R J. An investigation into the relationship between processing, structure and properties for high-modulus PBO fibres: Part Ⅰ.Raman band shifts and broadening in tension and compression [J]. Polymer,2001,42(5):2101-2112. |
[9] | Davies R J, Montes-Moran M A, Riekel C, et al. Single fibre deformation studies of poly (p-phenylene benzobisoxazole)fibres: Part Ⅰ.Determination of Crystal Modulus [J]. Journal of Materials Science, 2001,36:3079-3087. |
[10] | Kumar S. Rigid-rod polybenzoxazoles and polybenzothiazoles [A]. In:Salamone J C, ed. Polymeric materials encyclopedia [M].Boca Raton FL:CRC Press,1996.7512-20. |
[11] | Yalvac S, Jakubowski J, So Y H. Improved interfacial adhesion via chemical coupling of cis-polybenzobisoxazole fiber-polymer systems [J]. Polymer, 1996, 37(20): 4657-4659. |
[12] | 吴瑾光. 近代傅里叶变换红外光谱技术及应用 [M]. 北京: 科学技术文献出版社, 1994. 593-595;592-593. |
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