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熔融共混法制备羧基化多壁碳纳米管/PA66复合纤维及其性能

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Keywords: 碳纳米管,PA66纤维,熔融共混,力学性能

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Abstract:

采用熔融共混法制备了不同质量分数的羧基化多壁碳纳米管(CMWNTs)/聚己二酸己二胺(PA66)切粒,并将切粒熔融纺丝制成CMWNTs/PA66复合纤维。采用SEM、DMA和单纤维电子强力仪等研究了CMWNTs对复合纤维形貌和力学性能的影响。CMWNTs在纤维中沿纤维轴向束状分布均匀。CMWNTs的加入提高了PA66纤维的力学性能和玻璃化温度。CMWNTs的质量分数为0.5%时,CMWNTs/PA66复合纤维的储能模量最大,为PA66纤维的5.5倍;玻璃化温度提高了27.6℃。CMWNTs的质量分数为0.3%时,复合纤维的初始模量最大,比PA66纤维增加了101.4%。当CMWNTs的质量分数为1%时,复合纤维的断裂强度最大,与纯PA66相比增加了48.8%。

References

[1]  Iijima S. Helical microtubes of graphitic carbon [J]. Nature, 1991, 358(6348): 56-58.
[2]  成会明. 纳米碳管制备、 结构、 物性及应用 [M]. 北京: 化学工业出版社, 2002: 203-238.
[3]  Jin Z, Pramoda K, Xu G, Goh S H. Dynamic mechanical behavior of melt-processed multi-walled carbon nanotubes/poly(methyl methacrylate) composites [J]. Chemical Physics Letter, 2001, 337(1/3): 43-47.
[4]  Gorga R E, Cohen R E. Toughness enhancements in poly(methyl methacrylate) by addition of oriented multiwall carbon nanotubes [J]. Journal of Polymer Science Part B: Polymer Physics, 2004, 42(14): 2690-2702.
[5]  Kumar S, Doshi H, Srinivasarao M, et al. Fibers from polypropylene/nano-carbon fiber composites [J]. Polymer, 2002, 43(5): 1701-1703.
[6]  Siochi E J, Working D C, Park C. Melt processing of SWCNT- polyimide nanocomposite fibers [J]. Composites Part B: Engineering, 2004, 35(5): 439-446.
[7]  Andrews R, Jaeques D, Qian D, et al. Multiwall carbon nanotubes: Synthesis and application [J]. Accounts of Chemical Research, 2002, 35(12): 1008-1017.
[8]  Sengupta R, Ganguly A, Sabharwal S, Chaki T K, Bhowmick A K. MWNT reinforced polyamide-66 films: Preparation, characterization and properties [J]. Journal of Material Science, 2007, 42(3): 923-934.
[9]  王志苗, 白世河, 张兴祥, 王学晨. 溶液共混法制备碳纳米管/尼龙66复合材料及其性能 [J]. 复合材料学报, 2010, 27(1): 12-17. Wang Zhimiao, Bai Shihe, Zhang Xingxiang, Wang Xuechen. Preparation and characterization of carboxylic multi-walled carbon nanotubes/PA66 composite by solution mixing process [J]. Acta Materiae Compositae Sinica, 2010, 27(1): 12-17.
[10]  Kearns J C, Shambaugh R L. Polypropylene fibers reinforced with carbon nanotubes [J]. Journal of Applied Polymer Science, 2002, 86(8): 2079-2084.
[11]  童 昕, 赫秀娟, 成会明. 添加纳米碳管对高密度聚乙烯力学行为和结晶行为的影响 [J]. 新型炭材料, 2004, 19(4): 261-267. Tong Xin, He Xiujuan, Cheng Huiming. Effect of carbon nanotubes on mechanical properties and crystallization process of high density polyethylene [J]. New Carbon Materials, 2004, 19(4): 261-267.

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