화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.4, 1241-1250, July, 2013
DOI10.1016/j.jiec.2012.12.024  Export Citation
Thermo-mechanical properties of devulcanized rubber/high crystalline polypropylene blends modified by ionizing radiation
Medhat M. Hassan†, Nagwa A. Badway1, Mona Y. Elnaggar, and El-Sayed A. Hegazy
  • National Center for Radiation Research and Technology, Nasr City, Cairo 11731, Egypt
  • 1Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt
E-mail:
Ground tire rubber (GRT) poses a challenging environmental, economical, and disposal problem in the world because of their crosslinked three-dimensional network structure. Waste rubber from end-of-life passenger car tires was successfully devulcanized by using mechanical-chemical process. The coupling of DR with PP in different proportion was investigated by FTIR, X-ray diffraction and SEM techniques. The mechanical and thermal behaviors of the blends composed of devulcanized rubber (DR) and high crystalline polypropylene (PP) in different proportions were studied. Evaluation of the mechanical and thermal properties of the developed blends, unirradiated and gamma irradiated, was carried out using tensile strength (Ts), elongation at break (Eb), hardness, TGA and DSC measurements.
Keywords:Devulcanized rubber;Polypropylene;Gamma radiation;Mechanical;Thermal;Morphological properties
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