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Thermally Conductive Poly(lactic acid) Composites with Superior Electromagnetic Shielding Performances
via 3D Printing Technology- Chinese Journal of Polymer Science Vol. 40, Issue 3, Pages: 248-255(2022)
- Affiliations：
a.Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710072, China
b.School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China
- Author bio：
shixuetao@nwpu.edu.cn (X.T.S.)
gjw@nwpu.edu.cn; nwpugjw@163.com (J.W.G.)
- Funds：
DOI：10.1007/s10118-022-2673-9
CLC：
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Teng-Bo Ma, Hao Ma, Kun-Peng Ruan, et al. Thermally Conductive Poly(lactic acid) Composites with Superior Electromagnetic Shielding Performances
via 3D Printing Technology. [J]. Chinese Journal of Polymer Science 40(3):248-255(2022)Teng-Bo Ma, Hao Ma, Kun-Peng Ruan, et al. Thermally Conductive Poly(lactic acid) Composites with Superior Electromagnetic Shielding Performances
via 3D Printing Technology. [J]. Chinese Journal of Polymer Science 40(3):248-255(2022) DOI： 10.1007/s10118-022-2673-9.
摘要
Abstract
This work proposes a facile fabrication strategy for thermally conductive graphite nanosheets/poly(lactic acid) sheets with ordered GNPs (o-GNPs/PLA) ,via, fused deposition modeling (FDM) 3D printing technology. Further combinations of o-GNPs/PLA with Ti,3,C,2,T,x, films prepared by vacuum-assisted filtration were carried out by “layer-by-layer stacking-hot pressing” to be the thermally conductive Ti,3,C,2,T,x,/(o-GNPs/PLA) composites with superior electromagnetic interference shielding effectiveness (EMI SE). When the content of GNPs was 18.60 wt% and 4 layers of Ti,3,C,2,T,x, (6.98 wt%) films were embedded, the in-plane thermal conductivity coefficient (,λ,||,) and EMI SE (EMI SE,||,) values of the thermally conductive Ti,3,C,2,T,x,/(o-GNPs/PLA) composites significantly increased to 3.44 W·m,–1,·K,–1, and 65 dB (3.00 mm), increased by 1223.1% and 2066.7%, respectively, compared with ,λ,||, (0.26 W·m,–1,·K,–1, ) and EMI SE,||, (3 dB) of neat PLA matrix. This work offers a novel and easily route for designing and manufacturing highly thermally conductive polymer composites with superior EMI SE for broader application.
关键词
Keywords
Polymer-matrix composites (PMCs)Ti3C2Tx3D printingThermal conductivityElectromagnetic interference (EMI)
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