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Characterization of electron beam irradiated natural rubber/modified starch composites
Magdy M. Senna,Rasha M. Mohamed,Amira N. Shehab-Eldin,Sabrnal El-Hamouly 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.5
The effects of electron beam irradiation on thermal, mechanical and morphological properties of natural rubber/starch blends were investigated. The results of thermogravimetric analysis indicated that the thermal stability of natural rubber was improved by the addition of modified starch and by irradiation. On the other hand, thermal stability of irradiated natural rubber and natural rubber/unmodified starch blends is lower than that of pure natural rubber. The tensile strength of natural rubber (2.01 MPa) was improved to 3.82 MPa with the addition of 5 phr unmodified starch. There was a further increase from 2.01 MPa to 6.44 MPa when 5 phr modified starch was used.