Silicone rubber/hollow silica spheres composites with enhanced mechanical and electrical insulating performances

被引：18
|
作者：
Li, Xiaofei [1 ,2 ]
Zhang, Donghai [1 ]
Chen, Yunfa [1 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 205卷
关键词：
Silicone rubber; Nanoparticles; Hollow silica spheres; Mechanical properties; Electrical properties; HOLLOW SPHERES; DIELECTRICS; NANOCOMPOSITES; SURFACTANT; MODEL;
D O I：
10.1016/j.matlet.2017.06.069
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, an experimental study was conducted to improve mechanical and electrical insulating properties of room temperature vulcanized silicone rubber (RTVSR) matrix by incorporating hollow silica spheres (HSS). The results showed that the addition of 5.0 wt% HSS in the RTVSR matrix noticeably improved the tensile strength. The volume resistivity of RTVSR nearly increased by one order of magnitude and the DC breakdown strength of RTVSR almost doubled when 5.0 wt% HSS were added. In contrast, commercial fumed silica (FS) with nanometre size showed relatively weak enhancing effects on RTVSR both in mechanical and electrical insulating performances at the same loading. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：240 / 244
页数：5
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