石墨烯/石墨单层涂层织物的电磁性能和力学性能的研究
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摘要
以锦纶为基布,以聚氨酯为基体,以石墨烯和石墨为功能粒子,采用涂层工艺制备了石墨烯/石墨单层涂层织物。重点研究了不同配比的石墨烯和石墨混合物对单层涂层织物的电磁性能和力学性能的影响。结果表明:在0 MHz～1000 MHz频率范围内,石墨烯和石墨用量10:0混合时,石墨烯单层涂层织物的介电常数实部、损耗角正切均最大,即该材料对电磁波的极化能力、衰减能力均最强;石墨烯和石墨用量对石墨烯单层涂层织物的介电常数虚部影响很小;在0 MHz～40 MHz频率范围内,石墨烯和石墨用量8:2混合时,石墨烯单层涂层织物的屏蔽效能最大,对电磁波的屏蔽能力最强。
The graphene/graphite single-layer coating fabric was prepared by coating process with polyamide as base fabric, polyurethane as matrix, graphene and graphite as functional particles. The effects of different ratios of graphene and graphite mixture on the electromagnetic properties and mechanical properties of single-layer coating fabric were mainly studied.The results showed that in the frequency range of 0 MHz to 1000 MHz, when the dosages of graphene and graphite were mixed at a ratio of 10:0, the real part of the dielectric constant and tangent of loss angle of the graphene single-layer coating fabric were the largest, namely, the material′s polarization ability to electromagnetic wave and the attenuation ability were the strongest; the amount of graphene and graphite had little effect on the imaginary part of the dielectric constant of graphene single-layer coating fabric; in the frequency range of 0 MHz to 40 MHz, when the dosages of graphene and graphite were mixed at a ratio of 8:2, the graphene single-layer coating fabric had the highest shielding efficiency and the strongest shielding ability to electromagnetic wave.
The graphene/graphite single-layer coating fabric was prepared by coating process with polyamide as base fabric, polyurethane as matrix, graphene and graphite as functional particles. The effects of different ratios of graphene and graphite mixture on the electromagnetic properties and mechanical properties of single-layer coating fabric were mainly studied.The results showed that in the frequency range of 0 MHz to 1000 MHz, when the dosages of graphene and graphite were mixed at a ratio of 10:0, the real part of the dielectric constant and tangent of loss angle of the graphene single-layer coating fabric were the largest, namely, the material′s polarization ability to electromagnetic wave and the attenuation ability were the strongest; the amount of graphene and graphite had little effect on the imaginary part of the dielectric constant of graphene single-layer coating fabric; in the frequency range of 0 MHz to 40 MHz, when the dosages of graphene and graphite were mixed at a ratio of 8:2, the graphene single-layer coating fabric had the highest shielding efficiency and the strongest shielding ability to electromagnetic wave.
引文
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[21] 刘元军,孙嘉瑞,张一曲,等.氧化剂种类、温度、时间对聚苯胺/棉复合吸波材料介电性能的影响[J].纺织科学与工程学报,2018,35(2):30-34.
[22] 刘元军,赵晓明,李卫斌.碳化硅/石墨涂层复合材料的介电性探讨[J].材料导报,2016,30(22):31-35.
[23] 刘元军,孙嘉瑞,叶美晨,等.石墨涂层厚度对双层涂层玄武岩纤维织物电磁性能和力学性能的影响[J].纺织科学与工程学报,2018,35(4):1-5.
[24] 刘元军,赵晓明,拓晓.聚丙烯腈基预氧丝毡复合材料的力学性能研究[J].材料科学与工艺,2015,23(6):82-86.
[25] 刘元军,赵晓明,拓晓.铁氧体涂层针织物吸波材料的制备及其力学性能研究[J].染整技术,2015,37(11):28-32.
[26] 刘元军,赵晓明,拓晓.吸波涂层织物的制备及其力学性能研究[J].棉纺织技术,2015,43(9):1-4.
[2] 于志财,何华玲,王朝生,等.Fe3O4与聚吡咯对棉织物的防电磁辐射整理及屏蔽效能研究[J].丝绸,2018,55(2):19-24.
[3] 李亚萍,汪秀琛,潘振,等.导电海绵在电磁屏蔽服装中的应用研究[J].现代纺织技术,2018,26(1):39-44.
[4] 赵家琪,刘元军,赵晓明.温度对聚吡咯涂层棉复合材料介电性能和电阻的影响[J].成都纺织高等专科学校学报,2017,34(4):5-7.
[5] 刘元军,李卫斌,赵晓明,等.聚吡咯涂层织物的介电性能研究[J].材料科学与工艺,2018,26(2):41-47.
[6] 段永洁,谢春萍,王广斌,等.棉/不锈钢纱线针织物的电磁屏蔽性能研究[J].丝绸,2016,53(9):9-14.
[7] 刘元军,赵晓明,拓晓.铁氧体/碳化硅涂层复合材料的介电性能研究[J].功能材料,2016,47(7):7140-7144.
[8] Li X,Zhu Y,Cai W,et al.Transfer of large-area graphene films for high-performance transparent conductive electrodes.[J].Nano Letters,2009,9(12):4359.
[9] Li Y,Tang L,Li J.Preparation and electrochemical performance for methanol oxidation of pt/graphene nanocomposites[J].Electrochemistry Communications,2009,11(4):846-849.
[10] 张小娜,肖红,赵晓明.PET板和金属板串联下的介电常数及其影响因素分析[J].纺织导报,2016(1):79-83.
[11] 毛鹏丽,金莹莹,王利君.镀银纱线排列方式对电磁屏蔽效能的影响[J].丝绸,2015,52(6):1-7.
[12] 程岳超,赵晓明,王瑞,等.电磁屏蔽织物发展现状及其屏蔽效能评价[J].轻纺工业与技术,2013,42(1):58-60.
[13] 姚波,张文斌.阻燃服织物多层组合综合性能研究[J].丝绸,2012,49(10):36-42.
[14] 李春,涂红艳.电磁屏蔽纺织品的发展与应用[J].现代纺织技术,2012,20(3):49-51.
[15] 褚玲,文珊.电磁屏蔽织物的研究进展[J].现代纺织技术,2011,19(1):57-60.
[16] 徐文龙,刘志才,焦玉雪,等.电磁屏蔽用化学镀金属化织物的研究现状[J].丝绸,2010(9):15-20.
[17] 赵晓明,刘元军.双层涂层复合材料的介电性能[J].航空材料学报,2016,36(2):7-13.
[18] 刘元军,赵晓明,拓晓.石墨/碳化硅/铁氧体涂层复合材料性能研究[J].材料科学与工艺,2016,24(1):90-96.
[19] 赵晓明,鲁亚稳.吸波材料的最新研究进展及发展趋势[J].成都纺织高等专科学校学报,2016(3):120-124.
[20] 赵晓明,刘元军.铁氧体/碳化硅/石墨三层涂层复合材料介电性能[J].材料工程,2017,45(1):33-37.
[21] 刘元军,孙嘉瑞,张一曲,等.氧化剂种类、温度、时间对聚苯胺/棉复合吸波材料介电性能的影响[J].纺织科学与工程学报,2018,35(2):30-34.
[22] 刘元军,赵晓明,李卫斌.碳化硅/石墨涂层复合材料的介电性探讨[J].材料导报,2016,30(22):31-35.
[23] 刘元军,孙嘉瑞,叶美晨,等.石墨涂层厚度对双层涂层玄武岩纤维织物电磁性能和力学性能的影响[J].纺织科学与工程学报,2018,35(4):1-5.
[24] 刘元军,赵晓明,拓晓.聚丙烯腈基预氧丝毡复合材料的力学性能研究[J].材料科学与工艺,2015,23(6):82-86.
[25] 刘元军,赵晓明,拓晓.铁氧体涂层针织物吸波材料的制备及其力学性能研究[J].染整技术,2015,37(11):28-32.
[26] 刘元军,赵晓明,拓晓.吸波涂层织物的制备及其力学性能研究[J].棉纺织技术,2015,43(9):1-4.