▎ 摘　　要

ZrO2-coated graphene oxide (GO)/SEBS(styrene-ethylene-butylene-styrene)-based nanocomposites were prepared for use as an electromagnetic interference (EMI) shielding material. Transmission electron microscopy (TEM) reveals almost every individual GO is fully and homogeneously covered with uniform ZrO2. X-ray diffraction (XRD) patterns and Differential scanning calorimetry (DSC) revealed increased ordering of -(CH2-CH2)n segments in the poly(ethylene-co-1-butene) block of the SEBS matrix in the case of SEBS/ZrO2-coated graphene oxide composites than in the SEBS/pristine graphene oxide nanocomposite. Thermogravimetric analysis (TGA) proved better oxidation resistance of SEBS/ZrO2-coated GO nanocomposite compared to that of SEBS/pristine GO nanocomposite. The present nanocomposites exhibited excellent EMI shielding effectiveness (SE) over X-band (8.2 GHz-12.4 GHz) with EMI SE of 37.9 dB. J. VINYL ADDIT. TECHNOL., 25:E130-E136, 2019. (c) 2018 Society of Plastics Engineers