NIMTE OpenIR  > 2017专题
Highly Conductive 3D Segregated Graphene Architecture in Polypropylene Composite with Efficient EMI Shielding
Alam, Fakhr E.; Yu, Jinhong; Shen, Dianyu; Dai, Wen; Li, He; Zeng, Xiaoliang; Yao, Yagang; Du, Shiyu; Jiang, Nan; Lin, Cheng-Te
2017
Source PublicationPOLYMERS
Volume9Issue:12
AbstractThe extensive use of electronic equipment in modern life causes potential electromagnetic pollution harmful to human health. Therefore, it is of great significance to enhance the electrical conductivity of polymers, which are widely used in electronic components, to screen out electromagnetic waves. The fabrication of graphene/polymer composites has attracted much attention in recent years due to the excellent electrical properties of graphene. However, the uniform distribution of graphene nanoplatelets (GNPs) in a non-polar polymer matrix like polypropylene (PP) still remains a challenge, resulting in the limited improvement of electrical conductivity of PP-based composites achieved to date. Here, we propose a single-step approach to prepare GNPs/PP composites embedded with a segregated architecture of GNPs by coating PP particles with GNPs, followed by hot-pressing. As a result, the electrical conductivity of 10 wt % GNPs-loaded composites reaches 10.86 S.cm(-1), which is approximate to 7 times higher than that of the composites made by the melt-blending process. Accordingly, a high electromagnetic interference shielding effectiveness (EMI SE) of 19.3 dB can be achieved. Our method is green, low-cost, and scalable to develop 3D GNPs architecture in a polymer matrix, providing a versatile composite material suitable for use in electronics, aerospace, and automotive industries.
KeywordPolymer Composites Nanocomposites Performance Network Film
Subject AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17492
Collection2017专题
Recommended Citation
GB/T 7714
Alam, Fakhr E.,Yu, Jinhong,Shen, Dianyu,et al. Highly Conductive 3D Segregated Graphene Architecture in Polypropylene Composite with Efficient EMI Shielding[J]. POLYMERS,2017,9(12).
APA Alam, Fakhr E..,Yu, Jinhong.,Shen, Dianyu.,Dai, Wen.,Li, He.,...&Lin, Cheng-Te.(2017).Highly Conductive 3D Segregated Graphene Architecture in Polypropylene Composite with Efficient EMI Shielding.POLYMERS,9(12).
MLA Alam, Fakhr E.,et al."Highly Conductive 3D Segregated Graphene Architecture in Polypropylene Composite with Efficient EMI Shielding".POLYMERS 9.12(2017).
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