长链支化聚丙烯增效共混改善PP/POE电缆绝缘电力学性能

IF 2.9 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2024-12-25 DOI:10.1109/TDEI.2024.3521878

Jianmei Cao;Kui Li;Boxue Du;Baoshuai Du;Zhiyuan Zhang;Yunqi Xing

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引用次数: 0

摘要

为了提高聚丙烯(PP)/聚烯烃弹性体（POE）电缆绝缘的电性能和力学性能，本文提出了长链支化聚丙烯（LCBPP）协同共混的方法。结果表明：5 wt% LCBPP、40 wt% POE、55 wt% PP协同共混电缆绝缘材料在不同温度下，泄漏电导率可降低至30.39% ~ 46.24%。击穿强度提高23.68% ~ 33.98%。抗拉强度和断裂伸长率分别提高了20.46%和16.88%。LCBPP协同混合方法可以引入更深的陷阱水平，有助于调节载流子输运。进一步提高了PP和POE的兼容性。研究结果可为PP/POE电缆绝缘性能改性提供参考。

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Improved Electrical and Mechanical Properties of PP/POE Cable Insulation by Long-Chain Branched Polypropylene Synergistic Blending

In this article, the long-chain branched polypropylene (LCBPP) synergistic blending method is proposed to improve the electrical and mechanical properties of polypropylene (PP)/polyolefin elastomer (POE) cable insulation. The results show that 5 wt% LCBPP, 40 wt% POE, and 55 wt% PP synergistic blending cable insulation material could reduce the leakage conductivity to 30.39%–46.24% at different temperatures. The breakdown strength is increased by 23.68%–33.98%. Furthermore, the tensile strength and elongation at break are increased by 20.46% and 16.88%, respectively. The LCBPP synergistic blending method could introduce deeper trap levels, contributing to adjusting carrier transport. Furthermore, the compatibility of PP and POE is improved. The research results provide a reference for the performance modification of PP/POE cable insulation.

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来源期刊

IEEE Transactions on Dielectrics and Electrical Insulation 工程技术-工程：电子与电气

CiteScore

6.00

自引率

22.60%

发文量

309

审稿时长

5.2 months

期刊介绍： Topics that are concerned with dielectric phenomena and measurements, with development and characterization of gaseous, vacuum, liquid and solid electrical insulating materials and systems; and with utilization of these materials in circuits and systems under condition of use.