Effect of electron beam irradiation on the properties of natural rubber (NR)/styrene–butadiene rubber (SBR) blend

In this study, physico-mechanical properties of NR/SBR blends cured by electron beam irradiation and sulfur were compared. The NR/SBR blends were prepared using a two-roll mill. Electron beam irradiations of 100–400 kGy were applied to cure the blends and changes in physico-mechanical properties wer...

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Bibliographic Details
Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2011, Vol.80 (1), p.100-106
Main Authors: Manshaie, R., Nouri Khorasani, S., Jahanbani Veshare, S., Rezaei Abadchi, M.
Format: Article
Language:English
Subjects:
Blends
Cures
Electron beam irradiation
Electron beams
Irradiation
Mechanical properties
Natural rubber
NR/SBR blend
Oil resistance
Physico-mechanical properties
Sulfur
Sulfur curing
Swelling
Thermal stability
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Summary:In this study, physico-mechanical properties of NR/SBR blends cured by electron beam irradiation and sulfur were compared. The NR/SBR blends were prepared using a two-roll mill. Electron beam irradiations of 100–400 kGy were applied to cure the blends and changes in physico-mechanical properties were studied as a function of irradiation. Also, oil resistance and the effect of thermal ageing on mechanical properties of the blends were investigated. The results show that the irradiated blends have better mechanical properties than those cured by sulfur system. The irradiation cured samples also exhibited better heat stability than the sulfur cured samples. The blend cured by the highest dose shows the lowest swelling and high oil resistance compared with the other samples cured by irradiation.
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2010.08.015