Thermoplastic polyurethane–graphene nanoplatelets microcellular foams for electromagnetic interference shielding

被引:6
作者
Maria Giovanna Pastore Carbone
Maxime Beaugendre
Can Koral
Anastasios C. Manikas
Nikolaos Koutroumanis
Gian Paolo Papari
Antonello Andreone
Ernesto Di Maio
Costas Galiotis
机构
[1] Foundation for Research and Technology Hellas,Institute of Chemical Engineering Sciences
[2] PSL University,ESPCI Paris, CNRS
[3] INFN Naples Unit,Department of Chemical Engineering
[4] University of Patras,Department of Physics
[5] University of Naples “Federico II”,Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale
[6] University of Naples “Federico II”,undefined
关键词
Graphene; Composite; Microcellular foam; Supercritical CO; EMI shielding;
D O I
10.1007/s41127-020-00034-0
中图分类号
学科分类号
摘要
The incorporation of graphene-related materials as nanofiller can produce multifunctional foams with enhanced specific properties and density reduction. Herein we report on the preparation of microcellular thermoplastic polyurethane/graphene foams by batch foaming. Solution blending was first adopted to disperse graphene nanoplatelets (GNP) in the elastomeric matrix. Then, a foaming process based on the use of supercritical CO2 was adopted to produce the microcellular TPU/GNP composite foams with graphene content up to 1 wt%. The EMI shielding behaviour of the TPU/GNP foams has been assessed in the THz range, and has revealed their potential in comparison with other graphene-filled foams presented in the literature, that exhibit similar specific shielding effectiveness but at much higher content of graphene-related materials (10–30 wt%).
引用
收藏
页码:33 / 39
页数:6
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