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Multilayer cross-linking polyetherimide/Ti3C2Tx MXenes material with pores channel structure for electromagnetic interference shielding

Bihua Xia,Xuhui Zhang,Yang Wang,Ting Li,Jie Jiang,Mingqing Chen,Tianxi Liu,Weifu Dong

This paper reported a new kind of multilayer cross-linking polyetherimide/Ti 3 C 2 T x MXenes material with pores channel structure for electromagnetic interference shielding. Polyetherimide was used as the resin material, ethylenediamine (EDA) was used as the cross-linking agent, special multilayer and pores channel were used as the shielding structure, and Ti 3 C 2 T x MXenes was used as the electromagnetic wave shielding medium. By adjusting the content of EDA, the cell structure, electromagnetic interference shielding efficiency, and tensile strength of multilayer cross-linking PEI/Ti 3 C 2 T x MXenes shielding material could be controlled. The more EDA content, the higher cross-linking degree, the smaller the cellular size, the higher the electromagnetic interference shielding efficiency, and the stronger the tensile strength.