Preparation of Polyurethane Nanocomposites for use as Electromagnetic Interference Shielding Materials

摘要：

Polyurethane (PU) nanocomposites containing 0.1-10 wt％ CNT/Fe3O4 hybrids were successfully synthesized. The mechanical, electrical, electromagnetic interference (EMI) shielding properties of the nanocomposite were systematically measured. The dynamic mechanical results indicated that the storage modulus of PU-CNT/Fe3O4 composites at 10 wt％ filler loading is about 3.7 times larger than the original PU in the temperature range of 50-100°C. The PU nanocomposites show excellent EMI shielding effect (EMI SE), and the EMI SE of the nanocomposites increased as the CNT/Fe3O4 content increased. The composites filled with 10 wt％ CNT/Fe3O4 hybrids could block about 90％ of incident signal in X-band (8.2-12.4 GHz).

关键词： PU nanocomposites CNT/Fe3O4 hybrids Electromagnetic shielding

作者: LI ZHANG Yoshio Hashimoto Qing-Qing Ni

作者单位: Faculty of Engineering, Shinshu University, Japan Dept. of Functional Machinery & Mechanics, Shinshu University, Japan

会议类型: 国际会议

会议名称: The Ninth China-Japan Joint Conference on Composite Materials(第九届中日复合材料学术会议 CJJCC-9)

会议地点: 呼和浩特

会议语种:英文

页码: 106-110

在线出版日期: 2010-09-01（万方平台首次上网日期，不代表论文的发表时间）