Preparation and characterization of modified polypropylene by using electron beam irradiation

Prashanta Dahal; Youn Cheol Kim

Journal of Industrial and Engineering Chemistry, Vol.19, No.6, 1879-1883, November, 2013

DOI10.1016/j.jiec.2013.02.027 Export Citation

Preparation and characterization of modified polypropylene by using electron beam irradiation

Prashanta Dahal, and Youn Cheol Kim^†

Major in Polymer Science and Engineering, Kongju National University, Cheonan, Republic of Korea

E-mail:

The modification by electron beam irradiation was applied to polypropylene (PP). In this process it is tried to add low density polyethylene (LDPE) and talc in the blend to check effects on its rheological property and thermal stability. The decrease in Tm could be the result of chain scissioning which decrease the number of tie molecule in the amorphous regions and consequently weakens the laminar connections. LDPE incorporated sample was comparatively better in shear thinning effect, zero shear viscosity, and thermal stability. Power law index, n, was 0.30 and 0.89 for the modified PP with LDPE and pure PP, respectively.

Keywords:Polypropylene;Low density polyethylene;Co-agent;Cross-linking;Irradiation

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[3] Sharif J, Aziz SHSA, Hashim K, Radiation Physics and Chemistry., 58, 371 (2000)

[4] Spenadel L, Radiation Physics and Chemistry., 14, 683 (1979)

[5] Ahmed S, Basfar AA, Abdel Aziz MM, Polymer Degradation and Stability., 67, 319 (2000)

[6] Clough RL, Beam Interactions with Materials and Atoms., 185, 8 (2001)

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