Evaluation of thermoplastic polyolefin materials for the hard shed of composite insulators,Journal of Applied Polymer Science

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Evaluation of thermoplastic polyolefin materials for the hard shed of composite insulators
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-02-05 , DOI: 10.1002/app.49080
Jia Shi ₁ , Hao Dong ₁ , Yiwu Quan ₁ , Chao Chen ₂ , Shanzhi Yan ₂

Affiliation

This article explores the possibility of using polyolefin materials for composite insulator sheds. The transfer component (silicone oil or erucamide) is added into a polyolefin material to improve its hydrophobic properties. Results show that the silicone oil‐modified polyolefin material (polyolefin‐S) exhibited an obvious hydrophobicity transfer property. When the equivalent salt deposit density and nonsoluble deposit density are 0.1 and 0.5 mg/cm², respectively, the static contact angle increases from 75° to 87° as the silicone oil transfer time increases from 24 to 96 hr. Meanwhile, polyolefin‐S exhibits high mechanical strength, hardness, volume resistivity, and surface resistivity values of 21.4 MPa, 62.6 HD, 1.7 × 10¹⁵ Ω m and 1.2 × 10¹⁶ Ω, respectively. Moreover, polyolefin‐S shows excellent tracking and erosion resistance of 4.5 kV level in the inclined plane test. The results verify that the polyolefin material is a promising candidate material for the hard shed of composite insulators.

中文翻译：

用于复合绝缘子硬棚的热塑性聚烯烃材料的评估

本文探讨了将聚烯烃材料用于复合绝缘子棚的可能性。将转移组分（硅油或芥酸酰胺）添加到聚烯烃材料中以改善其疏水性。结果表明，硅油改性的聚烯烃材料（聚烯烃-S）表现出明显的疏水转移性能。当等效盐沉积密度和不溶性沉积密度分别为0.1和0.5 mg / cm ^2时，随着硅油转移时间从24小时增加到96小时，静态接触角从75°增加到87°。同时，聚烯烃-S表现出高的机械强度，硬度，体积电阻率，和21.4兆帕的表面电阻率值，62.6 HD，1.7×10 ¹⁵ Ωm和1.2×10 ¹⁶分别为Ω。此外，在倾斜平面测试中，聚烯烃-S在4.5 kV的水平上显示出出色的耐漏电起痕性能。结果证明，聚烯烃材料是复合绝缘子硬棚的有前途的候选材料。

更新日期：2020-02-05

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