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Polymers 2018, 10(12), 1319; https://doi.org/10.3390/polym10121319

Lightweight Cellulose/Carbon Fiber Composite Foam for Electromagnetic Interference (EMI) Shielding

College of Material Science and Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Joint first author: Huiping Lin.
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Received: 10 November 2018 / Revised: 22 November 2018 / Accepted: 22 November 2018 / Published: 28 November 2018
(This article belongs to the Special Issue Polymeric Foams)
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Abstract

Lightweight electromagnetic interference shielding cellulose foam/carbon fiber composites were prepared by blending cellulose foam solution with carbon fibers and then freeze drying. Two kinds of carbon fiber (diameter of 7 μm) with different lengths were used, short carbon fibers (SCF, L/D = 100) and long carbon fibers (LCF, L/D = 300). It was observed that SCFs and LCFs built efficient network structures during the foaming process. Furthermore, the foaming process significantly increased the specific electromagnetic interference shielding effectiveness from 10 to 60 dB. In addition, cellulose/carbon fiber composite foams possessed good mechanical properties and low thermal conductivity of 0.021–0.046 W/(m·K). View Full-Text
Keywords: functional; biomaterials; composites; EMI; cellulose foam functional; biomaterials; composites; EMI; cellulose foam
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Li, R.; Lin, H.; Lan, P.; Gao, J.; Huang, Y.; Wen, Y.; Yang, W. Lightweight Cellulose/Carbon Fiber Composite Foam for Electromagnetic Interference (EMI) Shielding. Polymers 2018, 10, 1319.

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