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

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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

Published: 25 July 2024 Online: 2024-08-12

CLC number:

TQ328

Fund:National Natural Science Foundation of China (12205225, U20A20257), Hubei Province Publicizes the List of Science and Technology Project (2022BEC018).

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	Articles by authors
	TAO Dechang
	WEN Xin
	LI Xueli
	YAN Kun
	ZHAO Qinghua
	XIA Ming
	YANG Chenguang
	WANG Dong

Cite this article:

TAO Dechang,WEN Xin,LI Xueli, et al. PVA-co-PE Nanofiber Copper Coated Film with Super Flexibility and Excellent Electromagnetic Shielding Performance[J]. Materials Reports, 2024, 38(14): 23030255-8.

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http://www.mater-rep.com/EN/10.11896/cldb.23030255 OR http://www.mater-rep.com/EN/Y2024/V38/I14/23030255

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