Preparation and Characterization of Natural Rubber Composites Comprising Conductive Carbon Black/Magnetite Hybrid Fillers Obtained by Impregnation Technology

Hybrid fillers have been prepared of conductive carbon black/magnetite at various ratios of the phases: 90:10, 70:30, and 50:50. The fillers have been characterized and their effect on the curing, mechanical, electric, and dynamic properties of natural rubber-based vulcanizates has been also investi...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2016-09, Vol.55 (13), p.1344-1356
Main Authors: Al-Ghamdi, Ahmed A., Al-Hartomy, Omar A., Al-Solamy, Falleh R., Dishovsky, Nikolay, Zaimova, Diana, Malinova, Petrunka, Nihtianova, Diana
Format: Article
Language:English
Subjects:
Carbon black
Composite materials
Conductive carbon black
Correlation analysis
Dynamic characteristics
Dynamic tests
Electrical resistivity
Fillers
hybrid fillers
impregnation
Magnetic properties
Magnetite
Microwave absorbers
Natural rubber
Phases
Rubber
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Summary:Hybrid fillers have been prepared of conductive carbon black/magnetite at various ratios of the phases: 90:10, 70:30, and 50:50. The fillers have been characterized and their effect on the curing, mechanical, electric, and dynamic properties of natural rubber-based vulcanizates has been also investigated. The macrohomogeneity of the composites has been evaluated by ohmic resistivity measurements and correlation analysis. It has been established that all properties studied are dependent on the ratio between the filler's phases. Viewing their composition, we conclude that the hybrid fillers are expected to exhibit both high dielectric and magnetic losses and may find application in the manufacturing of microwave absorbers.
ISSN:0360-2559
1525-6111
DOI:10.1080/03602559.2015.1132461