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
发表期刊POLYMERS
卷号9期号:12
摘要The 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.
关键词Polymer Composites Nanocomposites Performance Network Film
学科领域Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17492
专题2017专题
推荐引用方式
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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