Regulation binary electromagnetic filler networks in segregated poly(vinylidenefluoride) composite for absorption-dominated electromagnetic interference shielding

被引：9

作者：

Zhang, Qimei ^{[1
,2
]}

Cui, Jian ^{[1
]}

Zhao, Shuai ^{[1
]}

Gao, Ailin ^{[1
]}

Zhang, Guangfa ^{[1
]}

Yan, Yehai ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Sch Polymer Sci & Engn, Shandong Prov Key Lab Rubber Plast, Key Lab Rubber Plast,Minist Educ, Qingdao 266042, Peoples R China

[2] Chizhou Univ, Sch Mat & Environm Engn, Chizhou, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2023年 / 140卷 / 12期

基金：

中国博士后科学基金;

关键词：

electromagnetic interference shielding; electrostatic self-assembling; ferroferric oxides; segregated structure composites; single-wall carbon nanotubes; MICROWAVE-ABSORPTION; WAVE ABSORPTION; ORGANIC-DYES; GRAPHENE; PERFORMANCE; NANOCOMPOSITES; NANOPARTICLES; FABRICATION; LIGHTWEIGHT; NANO;

D O I：

10.1002/app.53650

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Excellent conductivity and optimized impedance matching are vital for superior absorption-dominated electromagnetic interference (EMI) shielding. An efficient binary electromagnetic filler network regulation method has been proposed. Poly- (vinylidenefluoride)-ferroferric oxide-reduced graphene oxide/single-wall carbon nanotube (PVDF-Fe3O4-RGC) composite has been synthesized as a layered segregated polymer composite structure by using an electrostatic assembly and hot compression strategy. Binary electromagnetic filler networks have surpassed the obstacles of magnetic materials in conductive networks, and are thereby beneficial for outstanding conductivity and impedance matching. Therefore, a superior conductivity of 1.28 S cm(-1) and an outstanding electromagnetic shielding interference and effectiveness of 44.5 dB have been obtained for loading of 2.02 vol.% single-wall carbon nanotubes (SWCNTs), with an absorption rate larger than 85.0% in the X-band. The enhanced EMI shielding performance is attributed to the regulation of the binary electromagnetic filler network.

引用

页数：15

共 71 条

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