Studies on the dielectric behavior of silica-filled butyl rubber vulcanizates after cyclic deformation

被引：12
|
作者：
Ward, AA
Stoll, B [1 ]
von Soden, W
Herminghaus, S
Bishai, AM
Hanna, FF
机构：
[1] Univ Ulm, Dept Appl Phys, D-89069 Ulm, Germany
[2] Natl Res Ctr, Giza, Egypt
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS | 2003年 / B42卷 / 06期
关键词：
butyl rubber; TEM; silica; silane coupling agent (Si69); dielectric properties; DSC; cyclic deformation;
D O I：
10.1081/MB-120024819
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The broadband dielectric spectroscopy (10(-3) 10(6) Hz) is used to study the effect of stress-strain cycles on the dielectric properties of butyl rubber vulcanizates filled with silica. The influence of chemical modification of the surface of the silica by silane coupling agent (Si69) also was investigated. In addition Transmission Electron Microscopy (TEM) and Differential Scanning Calorimetry (DSC) were carried out. Dielectric investigations of the samples were done after stress-strain cycles with maximum elongation 26%, 40%, 60%, and 80% from elongation at break, respectively. It was found that the dielectric properties recovered after storage at room temperature for about one year.
引用
收藏
页码：1265 / 1280
页数：16
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