Enhancement of flame retardancy and mechanical properties of HDPE/EPM based radiation shielding composites by electron beam irradiation
作者： Duckbong Seo , Jaewoo Kim , Phil-Hyun Kang , Chang Eui Seo , Jun-Hyung Lee
DOI: 10.1016/J.JNUCMAT.2012.05.036
关键词:
摘要: Abstract Radiation shielding materials based on polymer or its composites require higher material properties to endure the harsh radiation environments. In this investigation, electron beam (E-beam) irradiation and/or cross-linking agent triallyl cyanurate (TAC) were applied into of a high density polyethylene (HDPE)/ethylene propylene monomer (EPM) blend containing B 2 O 3 PbO. The tensile strength increased as much twice while elongation enhanced more than 5 times by 150 kGy with 10 MeV E-beam. Further enhancement and was achieved applying both 1 wt.% TAC E-beam irradiation, use alone decreased mechanical properties. Flame retardancy mean limit oxygen index (LOI) also 21 without using any flame retardant additive.
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