Effect of Elastomers on Mechanical and Dielectric Properties of Polypropylene- Based Cable Insulation Materials

被引：0
|
作者：
Zhan Y. [1 ,2 ]
Hou S. [1 ,2 ]
Zhu W. [1 ,2 ]
Fu M. [1 ,2 ]
Li X. [1 ,2 ]
Jiang Y. [2 ]
Chen J. [3 ]
机构：
[1] Electric Power Research Institute, China Southern Power Grid, Guangzhou
[2] State Key Laboratory of HVDC, Guangzhou
[3] Guangdong Power Grid Company Guangzhou Supply Bureau, Guangzhou
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2022年 / 38卷 / 06期
关键词：
Cable insulation material; Elastomer; Polypropylene;
D O I：
10.16865/j.cnki.1000-7555.2022.0130
中图分类号：
学科分类号：
摘要：
The mechanical and dielectric properties of polyolefin elastomer (POE) and polypropylene- based insulation (PPB) blends were studied, and the effect of the content of elastomer on material properties was discussed. The phase structure, melting - crystallization properties of the blends were studied by SEM and DSC. The results show that POE has good compatibility and dispersibility with the matrix. The melting-crystallization properties of the blends are not significantly affected. The tensile and DMA test show that the mechanical properties of the blends are greatly improved. When the mass fraction of POE is 40%, the elongation at break is 632.05%, which is increased by about 20%, the elastic modulus is decreased by 50%, and the toughness in low-temperature is also improved. The electrical tests including dielectric spectra and AC breakdown show that when the POE mass fraction does not exceed 40%, the blends maintain the electrical properties to a greater extent, and have potential engineering application prospects. © 2022, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：111 / 117
页数：6
相关论文
共 13 条
  • [1] Huang X Y, Zhang J, Jiang P K., Thermoplastic insulation materials for power cables: history and progress, High Voltage Engineering, 44, 5, pp. 1377-1398, (2018)
  • [2] Green C, Vaughan A, Stevens G, Et al., Thermoplastic cable insulation comprising a blend of isotactic polypropylene and a propylene-ethylene copolymer, IEEE Transactions on Dielectrics & Electrical Insulation, 22, pp. 639-648, (2015)
  • [3] Hosier I L, Vaughan A S, Swingler S G., An investigation of the potential of polypropylene and its blends for use in recyclable high voltage cable insulation systems, Journal of Materials Science, 46, pp. 4058-4070, (2011)
  • [4] Svoboda P, Svobodova D, Slobodian P, Et al., Crystallization kinetics of polypropylene/ethylene-octene copolymer blends, Polymer Testing, 28, pp. 215-222, (2009)
  • [5] Hosier I L, Reaud S, Vaughan A S, Et al., Morphology, thermal, mechanical and electrical properties of propylene-based materials for cable applications, Conference record of the 2008 IEEE international symposium on electrical insulation, pp. 502-505, (2008)
  • [6] Zhang W, Xu M, Huang K W, Et al., Effect of β-crystals on the mechanical and electrical properties of β-nucleated isotactic polypropylene, IEEE Transactions on Dielectrics & Electrical Insulation, 26, pp. 714-721, (2019)
  • [7] Zhang W, Xu M, Chen G H, Et al., Structure and properties of isotactic polypropylene and ethylene-propylene copolymer, High Voltage Engineering, 43, 11, pp. 3634-3644, (2017)
  • [8] Zhou Y, He J L, Hu J, Et al., Evaluation of polypropylene/ polyolefin elastomer blends for potential recyclable HVDC cable insulation applications, IEEE Transactions on Dielectrics & Electrical Insulation, 22, pp. 673-681, (2015)
  • [9] Guo F, Ying J R, Peng S X, Et al., Thermal behaviors and crystalline structure of PP /POE blends, Polymer Materials Science & Engineering, 23, 6, pp. 156-159, (2007)
  • [10] (1996)
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