采用空气氧化法和硝酸氧化法对碳纤维进行表面处理,研究了碳纤维(CF)增强热塑性聚酰亚胺(TPI)复合材料的力学性能.采用Boehm滴定方法测定了经过硝酸处理后CF表面酸性官能团数量.结果表明:CF表面酸性官能团的数量随着浓硝酸处理时间的增加而增加;浓硝酸处理效果比空气氧化好,当浓硝酸处理CF的时间为20 min时,CF/TPI复合材料拉伸强度和弯曲强度分别提高10%和14%,XPS表明此时CF表面活性官能团比未处理增加35.89%.AFM表明,浓硝酸对CF表面刻蚀沟明显;SEM表明,CF与TPI基体之间形成良好的界面,CF起到了增强效果.
参考文献
[1] | 丁孟贤,何天白.聚酰亚胺新材料[M].北京:北京科技出版社,1998. |
[2] | 杜善义.先进复合材料与航空航天[J].复合材料学报,2007,24(1):1-12.Du Shanyi.Advanced composite materials and aerospace engineering[J].Aeta Materiae Compositae Siniea,2007,24(1):1-12. |
[3] | 王凯,詹茂盛,高生强,等.可熔体加工热塑性聚酰亚胺研究进展[J].宇航材料工艺,2004(3):5-15.Wang Kai,Zhan Maosheng,Gap Shengqiang,et al.Development of melt-processable thermoplastic polyimides[J].Aerospace Materials & Technology,2004(3):5-15. |
[4] | 贺福.碳纤维及其应用技术[M].北京:化学工业出版社,2004:288-289. |
[5] | Xu Bing,Wang Xiaoshu,Lu Yun.Surface modification of polyacrylonitrile-based carbon fiber and its interaction with imide[J].Applied Surface Science,2006,253(5):2695-2701. |
[6] | Sarae A Sczai,Springer Jurgen.Electrografting of 3-methyl thiophene and carbazole random eopolymer onto carbon fiber:Characterization by FTIR-ATR,SEM,EDX[J].Surface and Coatings Technology,2002,160(2/3):227-238. |
[7] | Pamulaa Eiabieta,Rouxhetb Paul G.Bulk and surface chemical functionalities of type Ⅲ PAN-based carbon fibres[J].Carbon,2003,41(10):1905-1915. |
[8] | Shim J W,Park S J,Ryu S K.Effect of modification with HNO3 and NaOH on metal adsorption by pitch-based activated carbon fibers[J].Carbon,2001,39(11):1635-1642. |
[9] | 葛世荣,张德坤,朱华,等.碳纤维增强尼龙1010的力学性能及其对摩擦磨损的影响[J].复合材料学报,2004,21(2):99-104.Ge Shirong,Zhang Dekun,Zhu Hua,et al.Mechanical properties and their influence on the friction and wear of the carbon fibers reinforced polyamide 1010[J].Acta Materiae Compositae Sinica,2004,21(2):99-104. |
[10] | 关新春,韩宝国,欧进萍,等.表面氧化处理对碳纤维及其水泥石性能的影响[J].材料科学与工艺,2003,11(4):343-346.Guan Xinchun,Han Baoguo,Ou Jinping,et al.Influence of surface treatment of carbon fiber on smart performance of carbon fiber hardened cement[J].Material Science and Technology,2003,11(4):343-346. |
[11] | 王玉国,王玉林,万怡灶,等.纤维表面处理对三维编织碳纤维/环氧复合材料力学性能的影响[J].兵器材料科学与工程,2001,24(2):41-43.Wang Yuguo,Wang Yulin,Wan Yizao,et al.Effect of fiber surface treatment on mechanical properties of 3D braided carbon fiber/epoxy composites materials[J].Ordnance Material Science and Engineering,2001,24(2):41-43. |
[12] | 丁美平,寇开昌,田普锋.等.不同方法处理碳纤维增强PTFE复合材料性能研究[J].工程塑料应用,2006,34(4):25-28.Ding Meiping,Kou Kaichang,Tian Pufeng,et al.Research on the properties of PTFE composite rein forced with CF modified by different treatment process[J].Engineering Plastics Application,2006,34(4):25-28. |
[13] | Boehm H P.Surface oxidation carbon and their analysis:A critical assessment[J].Carbon,2002,40(2):145-149. |
[14] | 杜慷慨,林志勇.碳纤维表面氧化的研究[J].华侨大学学报:自然科学版,1999,20(2):136-141.Du Kangkai,Lin Zhiyong.Oxidation on the surface of carbon fibers[J].Journal of Hua Qiao University:Nature Science,1999,20(2):136-141. |
[15] | 夏丽刚,李爱菊,阴强,等.碳纤维表面处理及其对碳纤维/树脂界面影响的影响[J].材料导报,2006,20(6):254-257.Xia Ligang,Li Aiju,Yin Qiang,et al.Surface treatment of carbon fiber and the effects on the interface between the fiber and the resin[J].Materials Review,2006,20(6):254-257. |
[16] | 胡福增,郑安呐,张群安.聚合物及其复合材料的表界面[M].北京:中国轻工业出版社,2001:145. |
[17] | Wet Li.Bonging diisocyanates and elastomeric interphases to surface-functionalized carbon fibers effects of surface treatments[D].America:Mississippi State University,1995. |
[18] | 李劲,李伟,范群.等.碳纤维单丝带对酚醛树脂基复合材料力学性能的增强作用[J].复合材料学报,2006,23(1):51-55.Li Jin,Li Wet,Fan Qun,et al.Reinforcing effect of separated carbon fiber tape on mechanical properties of phenolic resin composites[J].Acta Materiac Compositae Siniea,2006,23(1):51-55. |
[19] | 王成忠,杨小平,于运花,等.XPS,AFM研究沥青基碳纤维电化学表面处理过程的机制[J].复合材料学报,2002,19(5):28-32.Wang Chengzhong,Yang Xiaoping,Yu Yunhua,et al.Study on the mechanism of electrochemical oxidation pitch-based carbon fiber by XPS and AFM[J].Acta Materiae Compositae Sinica,2002,19(5):28-32. |
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