Effect of Modified ZnO on Electrical Properties of PP/SEBS Nanocomposites for HVDC Cables

被引：28

作者：

Zha, Jun-Wei ^{[1
,2
]}

Wang, Jun-Fu ^{[1
]}

Wang, Si-Jiao ^{[1
,2
]}

Qin, Qingqing ^{[1
]}

Dang, Zhi-Min ^{[1
,2
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Beijing 100083, Peoples R China

[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2018年 / 25卷 / 06期

基金：

中国国家自然科学基金;

关键词：

polypropylene; ZnO nanoparticles; HVDC cable; thermoplastic elastomer; space charge; DIELECTRIC-PROPERTIES; DENSITY POLYETHYLENE; SILICA NANOPARTICLES; SURFACE MODIFICATION; MORPHOLOGY; BLENDS; POLYPROPYLENE; INSULATION; SEBS;

D O I：

10.1109/TDEI.2018.007176

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Polypropylene (PP) has the potential to be used as insulation for high voltage direct current cables due to its high melting point, excellent recyclability and electrical insulation properties. The PP/SEBS composites filled with surface-modified ZnO (m-ZnO) nanoparticles were fabricated through melt blending. Scanning electron microscopy (SEM) showed that the m-ZnO nanoparticles were well dispersed in the PP/SEBS matrix. With doping of 0.5 wt% m-ZnO, the DC breakdown strength, space charge suppression and mechanical properties of the PP/SEBS were remarkably improved, and their DC conductivity was found to be lowered. Moreover, the incorporation of m-ZnO has little effect on the melting and crystallization process as well as dielectric properties of the PP/SEBS. Thus, the PP/SEBS/m-ZnO composites have shown promise to be used as insulation for recyclable HVDC cables.

引用

页码：2358 / 2365

页数：8

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