The effect of different types of carbon blacks on the rheological and thermal properties of acrylonitrile butadiene rubber
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The influence of two types of carbon black filler N330 and N990 (primary particle size 46 nm and GT 230 nm) on elastomeric composites based on acrylonitrile-butadiene rubber (NBR) have been investigated. The activation energy (E (a)) were determined from two high temperature rheokinetic curves (T (1) = 180 A degrees C and T (2) = 190 A degrees C). For tensile testing, the compounds with different content of carbon black were vulcanized in a hydraulic press at 150 A degrees C. The stress-strain experiments were performed before and after ageing the specimens in an air-circulating oven at 100 A degrees C for 168 h. The thermal degradation and thermal stability of carbon black filled NBR rubber was investigated by thermogravimetric analysis in a flowing nitrogen atmosphere at a heating rate of 10 A degrees C/min.
Кључне речи:Acrylonitrile butadiene rubber / Cross-linking density / Mechanical properties / N330 and N990 type carbon black / Swelling properties / Thermal stability
Извор:Journal of Thermal Analysis and Calorimetry, 2009, 98, 1, 275-283
- Ministry of Science of the Republic of Serbia [142066, 142079]