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Journal of Computational and Applied Research in Mechanical Engineering - JCARME، جلد ۱۰، شماره ۲، صفحات ۴۲۷-۴۳۶
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عنوان انگلیسی Thermo-mechanical characterization of post-consumer recycled high impact polystyrene from disposable cups: Influence of the number of processing cycles
چکیده انگلیسی مقاله In this study, the effect of six successive recycling cycles of the recycled material including high impact polystyrene disposable cups on tensile properties, glass transition temperature, flexural, impact strength tests and fluidity were studied. It has been found that after increasing recycling, the molar mass and the viscosity decrease (a slight increase of melt flow index) until the fifth cycle; the maximum yielding stress decreased due to material brittleness.The impact strength has only been relatively influenced by a 17% increase, whereas the elongation at break and the Young’s modulus dropped with reprocessing cycles. Glass transition temperature has undergone a remarkable decrease: It dropped in a consistent way by the sixth cycle we measured a drop of almost 11°C was compared to the virgin material, with a notable increase in flexural modulus and hardness. The resulted curves show the reliability of this material to be used after a specific number of processing in several industrial applications.
کلیدواژه‌های انگلیسی مقاله High impact polystyrene, Recycling, Reprocessing, Degradation
نویسندگان مقاله Hanan EL BHILAT |
National Higher School of Electricity and Mechanics Laboratory of Control and Mechanical Characterization of Materials and Structures, Casablanca, Morocco

Khalid El Had |
Higher Institute of Maritims Studies, Laboratory of Mechanics ,Casablanca,Morocco.

Houda SALMI |
National Higher School of Electricity and Mechanics Laboratory of Control and Mechanical Characterization of Materials and Structures, Casablanca, Morocco

Abdelilah Hachim |
Higher Institute of Maritims Studies, Laboratory of Mechanics ,Casablanca,Morocco.

نشانی اینترنتی https://jcarme.sru.ac.ir/article_1160_43cec12ae207c131f0c8101028b200b0.pdf
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