The effect of heating-cooling cycles on PTCC and NTCC made of FEF/NBR composites

被引：70
|
作者：
El Eraki, M. H. I.
El Lawindy, A. M. Y.
Hassan, H. H.
Mahmoud, W. E. [1 ]
机构：
[1] Suez Canal Univ, Fac Sci, Dept Phys, Ismailia, Egypt
[2] Cairo Univ, Fac Sci, Dept Phys, Giza, Egypt
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2007年 / 103卷 / 05期
关键词：
FEF; cyclic heating; NBR;
D O I：
10.1002/app.24504
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Electrically conductive acrylonitrile butadiene rubber compounds filled with different concentrations of fast extrusion furnace black were experimentally investigated. The percolation concentration of the investigated composites was found to be 65 phr. Samples below percolation concentration are PTCC and above percolation concentration are NTCC. Sample N70 that belongs to the percolation concentration exhibits NTCC and PTCC. The effect of heating-cooling cycles shows that samples with high concentration have small hysteresis compared with low concentrations. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：2837 / 2842
页数：6
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