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- 저자 : Jehan A. Hasanen (검색결과 1 건)
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Medhat M. Hassan,Raouf O. Aly,Jehan A. Hasanen,El Sayed F. El Sayed 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.3
Composites of waste polyethylene (WPE), collected from municipal solid waste/recycled waste rubberpowder (RWRP) reactive compatibilizing agent, maleic anhydride (MA) and glass fiber (GF) up to 20 wt%,prepared by melting and irradiated with gamma-rays up to 150 kGy have been studied. Tensile strength(TS), elongation at break (Eb), elastic modulus, hardness, thermal and morphological parameters of theirradiated composites were investigated. The examined mechanical properties have been found toimprove largely with filler content. Interesting Eb behavior has been detected for the irradiatedcomposites loaded up to ~10 wt% GF and has been basically discussed in view of matrix crystallinity andmorphology. TGA thermograms of unirradiated composites revealed enhanced thermal stability thanthat reported for the blend whereas comparatively slight improvement has been demonstrated byirradiation. Whereby insignificant alteration in Tm values was observed by loading or irradiation, yetDHm maximum of 3.41 J/g, indicated for the 5 wt% GF irradiated composite with an integral dose of75 kGy, emphasizes the influence of the relatively moderate load and dose levels on matrix stability. Thephenomenon has been confirmed by the respective SEM micrographs.
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