将PAN基碳纤维(东邦IM600-6K)在不同温度的酸性及盐类电解质溶液中进行电化学处理.碳纤维的表面性能采用SEM、XPS、亚甲基蓝(MB+)吸附、Raman光谱进行表征.结果发现碳纤维在电化学氧化处理后表面官能团增多而且沟槽加深.电解质及电解液温度对碳纤维表面特定官能团的生成量有影响,羟基和羧基的生成数量最多相差61.38%、98.59%;在酸性电解质溶液中处理的碳纤维表面含氧官能团较多,表面较粗糙.升高电解液温度有助于活性氧对碳纤维表面的氧化刻蚀.处理后的碳纤维表面微晶尺寸最多减少9.75%.
参考文献
[1] | 贺福.碳纤维及其应用技术[M].北京:化学工业出版社,2004:288. |
[2] | Beatrice Lindsay;Marie-Laure Abel;John F.Watts .A study of electrochemically treated PAN based carbon fibres by IGC and XPS[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(12):2433-2444. |
[3] | Vickers PE.;Perruchot C.;Chehimi MM.;Watts JF. .The surface chemistry and acid-base properties of a PAN-based carbon fibre[J].Carbon: An International Journal Sponsored by the American Carbon Society,2000(5):675-689. |
[4] | 郭云霞,刘杰,梁节英.炭纤维阳极氧化法表面改性[J].新型炭材料,2006(04):343-348. |
[5] | Akihiko Fukunaga;Shigetomo Ueda .Anodic Surface Oxidation for Pitch-based Carbon Fibers and the Interfacial Bond Strengths in Epoxy Matrices[J].Composites science and technology,2000(2):249-254. |
[6] | Xu B;Wang XS;Lu Y .Surface modification of polyacrylonitrile-based carbon fiber and its interaction with imide[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(5):2695-2701. |
[7] | 房宽峻;蔡玉青;戴瑾瑾 等.影响电化学氧化后碳纤维表面官能团的因素[J].青岛大学学报,1998,13(02):12-14,21. |
[8] | 王成忠 .C型碳纤维的制备及其阳极氧化机理的研究[D].北京:北京化工大学,2001. |
[9] | 王保刚;余木火;滕翠青 .微脱粘法研究等离子处理的高模量聚乙烯纤维的粘结性[J].合成技术及应用,1997,13(02):21. |
[10] | 沈曾民;张文辉;张学军.活性炭材料的制备与应用[M].北京:化学工业出版社,2006:17. |
[11] | Pittman CU;Yue ZR;Gardner S;Wang L;Toghiani H;Leon CA;Jiang W .Surface properties of electrochemically oxidized carbon fibers[J].Carbon: An International Journal Sponsored by the American Carbon Society,1999(11):1797-1807. |
[12] | 刘鸿鹏,吕春祥,李永红,杨禹,李开喜,贺福.电化学表面处理PAN基炭纤维的表面性能研究[J].新型炭材料,2005(01):39-44. |
[13] | 曹伟伟,朱波,井敏,王成国.PAN基碳纤维在表面处理中的拉曼光谱研究[J].光谱学与光谱分析,2008(12):2885-2889. |
[14] | Baldan MR;Almeida EC;Azevedo AF;Goncalves ES;Rezende MC;Ferreira NG .Raman validity for crystallite size L-a determination on reticulated vitreous carbon with different graphitization index[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2007(2):600-603. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%