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On the influence of CB loading on the creep and relaxation behavior of SBR and NBR rubber vulcanizates

✍ Scribed by A. Mostafa; A. Abouel-Kasem; M.R. Bayoumi; M.G. El-Sebaie

Publisher
Elsevier Science
Year
2009
Weight
160 KB
Volume
30
Category
Article
ISSN
0261-3069

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✦ Synopsis

It is well known that the time dependence behavior (creep and relaxation) of crosslinked rubber systems are influenced by the incorporation of particulate fillers. The influence of carbon black (CB) loading on the creep and relaxation behavior of styrene butadiene rubber (SBR) and nitrile-butadiene rubber (NBR) has been studied. Creep test is carried out at 3 different stress levels while the relaxation test is carried out at 100% strain. The obtained results of five different compositions for SBR and NBR with 0, 20, 30, 50 and 70 phr of CB were compared. It can be found that creep resistance increases as CB loading increases and stress level decreases, while as CB loading increases the relative modulus (E(t)/E(0)) and initial relaxation speed decrease.

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✍ A. Mostafa; A. Abouel-Kasem; M.R. Bayoumi; M.G. El-Sebaie πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science βš– 361 KB

Carbon black (CB) are commonly added to commercial elastomers for reasons of economy and also to favourably modify properties such as tension, compression, hardness and abrasion, so tension, compression, hardness and abrasion tests were carried out to investigate the effect of CB loading on these pr