Effect of concentration of polyfunctional monomers on physical properties of acrylonitrile-butadiene rubber under electron-beam irradiation

被引:40
作者
Yasin, T [1 ]
Ahmed, S
Ahmed, M
Yoshii, F
机构
[1] Pakistan Inst Nucl Sci & Technol, Div Appl Chem, Polymer Proc & Radiat Technol Lab, Islamabad, Pakistan
[2] Japan Atom Energy Res Inst, Takasaki Radiat Chem Res Estab, Takasaki, Gumma 37012, Japan
关键词
acrylonitrile-butadiene rubber; radiation crosslinking; polyfunctional monomers; crosslinking; electron beam irradiation;
D O I
10.1016/j.radphyschem.2004.07.009
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
An investigation has been undertaken to find out the effect of concentration of different polyfunctional monomers (PFMs) on the physical properties of the acrylonitrile-butadiene rubber (NBR) crosslinked by electron beam (EB). The PFMs used were diethylene glycol dimethacrylate, trimethylol propane trimethacrylate and trimethylol propane triacrylate. The physical properties of EB-irradiated NBR sheets were evaluated by measuring the tensile strength, elongation percent at break, hardness and gel fraction. The results showed a remarkable increase in tensile strength, hardness and gel fraction as the concentration of PFMs was increased from I part per hundred (phr) to 5 phr in the NBR samples whereas elongation percent decreased in a steady manner. The improvement in physical properties of radiation crosslinked NBR in the presence of PFMs may be attributed to its increased crosslinking density as observed by the corresponding increase in gel content. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:155 / 158
页数:4
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