超级柔韧性和优异电磁屏蔽性能的PVA-co-PE纳米纤维覆铜膜

doi:10.11896/cldb.23030255

材料导报

2024, Vol. 38

Issue (14): 23030255-8 https://doi.org/10.11896/cldb.23030255

高分子与聚合物基复合材料

超级柔韧性和优异电磁屏蔽性能的PVA-co-PE纳米纤维覆铜膜

陶德昌¹, 文鑫¹, 李雪丽², 严坤¹, 赵青华¹, 夏明¹, 杨晨光^1,*, 王栋^1,*

1 武汉纺织大学纺织纤维及制品教育部重点实验室,武汉 430200
2 武汉高德红外股份有限公司, 武汉 430205

PVA-co-PE Nanofiber Copper Coated Film with Super Flexibility and Excellent Electromagnetic Shielding Performance

TAO Dechang¹, WEN Xin¹, LI Xueli², YAN Kun¹, ZHAO Qinghua¹, XIA Ming¹, YANG Chenguang^1,*, WANG Dong^1,*

1 Key Laboratory of Textile Fiber and Products, Ministry of Education, Wuhan Textile University, Wuhan 430200, China
2 Wuhan Guide Infrared Co., Ltd., Wuhan 430205, China

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摘要本工作通过紫外辐射诱导和化学还原反应相结合成功制备了具有多级结构的聚乙烯醇-聚乙烯(PVA-co-PE)纳米纤维覆铜膜,PVA-co-PE纳米纤维覆铜膜具有超级柔韧性能和电磁屏蔽性能,且具有多次循环压缩后性能不减的稳定性。首先通过紫外辐照引入一定量的活化羟基,然后通过静电配位和铜粒子的化学还原作用,在纳米纤维膜上实现无钯镀铜。采用傅里叶红外光谱仪(AIR-FTIR)、能量色散型X射线荧光分析仪(EDX-7000)、扫描电子显微镜(SEM)等对样品进行结构性能分析。结果表明,成功实现PVA-co-PE纳米纤维覆铜膜的制备,SEM图表明,铜颗粒均匀分布于纳米纤维膜表面,并且薄膜由亲水转变为不易浸润。通过四探针仪器和矢量网络分析仪表征了薄膜材料的导电性和电磁屏蔽性能。结果表明,覆铜膜达到导体水平,吸波值达到47.3 dB。经过多次循环压缩后覆铜膜材料电磁屏蔽性能几乎不减,说明制得的纳米纤维覆铜膜具有优异的柔韧性和吸波稳定性,其在柔性智能可穿戴元器件领域具有广阔的应用空间。

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	杨晨光
	王栋

关键词: PVA-co-PE纳米纤维膜化学镀铜导电性疏水性电磁屏蔽

Abstract: In this work, a copper-clad polyvinyl alcohol polyethylene (PVA-co-PE) nanofiber film with a multi-level structure was successfully prepared by combining ultraviolet radiation induction and chemical reduction reactions. It exhibits super flexibility and electromagnetic shielding properties, and has stability without degradation after repeated cyclic compression. Firstly, a certain amount of activated hydroxyl groups is introduced through ultraviolet irradiation, and then palladium free copper plating of nanofiber membranes is carried out through electrostatic coordination and chemical reduction of copper particles. Fourier transform infrared spectroscopy (AIR-FTIR), energy dispersive X-ray fluorescence analyzer (EDX-7000), and scanning electron microscopy (SEM) were used to analyze the structure and properties of the samples. The results showed that the preparation of PVA-co-PE nanofiber copper-clad film has been successfully achieved. The SEM images showed that copper particles are uniformly distributed on the surface of the nanofiber film, and the film had a hydrophilic transition to not easy to soak. The electrical conductivity and electromagnetic shielding properties of the film material were characterized by a four-probe instrument and a vector network analyzer. The results showed that the copper-clad film reached the conductor level and the absorption value was 47.3 dB. After repeated cyclic compression, the electromagnetic shielding performance of the copper-clad film material hardly decreases, indicating that the nano fiber copper clad film prepared in this work has excellent flexibility and wave absorbing stability. This has broad application space in the field of flexible intelligent wearable components.

Key words: PVA-co-PE nanofiber film electroless copper plating electrical conductivity hydrophobicity electromagnetic shielding

出版日期: 2024-07-25 发布日期: 2024-08-12

ZTFLH:

TQ328

基金资助: 国家自然科学基金(12205225;U20A20257);湖北省揭榜制科技项目(2022BEC018)

通讯作者: * 杨晨光,武汉纺织大学副教授、硕士研究生导师。2014年于郑州大学化工学院获得学士学位,2019年于中国科学院大学无机化学专业获得博士学位。目前已发表高水平学术论文30余篇,撰写中英文著作2部2个章节,申请发明专利10余项,授权4项,主持国家自然科学基金、省部级基金、研究生教改项目和中石化合作横向项目等6项。cgyang@wtu.edu.cn
王栋,二级教授,博士研究生导师,现任武汉纺织大学党委常委、研究生院院长、学科办主任,纺织纤维及制品教育部重点实验室主任。2008年2月博士毕业于美国加州大学戴维斯分校,获得博士学位。国家“万人计划”青年拔尖人才、教育部“新世纪优秀人才”,享受国务院政府特殊津贴。荣获全国五一劳动奖章(2023)、美国纤维学会杰出成就奖、中国青年科技奖、中国纺织工程学会纺织学术大奖、纺织学术带头人、纺织青年科技奖、全国纺织青年科技创新领军人才称号等。长期致力于先进纤维新材料及其与生物、电子、能源、环境等交叉学科领域的创新研究工作,在Advanced Functional Materials、Angewandte Chemie International Edition、AppliedCatalysis B, Environmental、Chemical Engineering Journal等学术期刊上发表SCI论文200余篇,授权中国发明专利180余项,编著及合著中英文书籍4部。承担国家自然科学基金、国家重点研发计划、国家科技支撑计划、国家“863”纳米专项等项目30余项。wangdon08@126.com

作者简介: 陶德昌,2021年7月于湖南工程学院获纺织工程专业学士学位。目前为武汉纺织大学技术研究院硕士研究生。主要研究领域为纤维材料改性。

引用本文:

陶德昌, 文鑫, 李雪丽, 严坤, 赵青华, 夏明, 杨晨光, 王栋. 超级柔韧性和优异电磁屏蔽性能的PVA-co-PE纳米纤维覆铜膜[J]. 材料导报, 2024, 38(14): 23030255-8.
TAO Dechang, WEN Xin, LI Xueli, YAN Kun, ZHAO Qinghua, XIA Ming, YANG Chenguang, WANG Dong. PVA-co-PE Nanofiber Copper Coated Film with Super Flexibility and Excellent Electromagnetic Shielding Performance. Materials Reports, 2024, 38(14): 23030255-8.

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http://www.mater-rep.com/CN/10.11896/cldb.23030255 或 http://www.mater-rep.com/CN/Y2024/V38/I14/23030255

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