Use of SEBS/EPR and SBR/EPR as binary compatibilizers for PE/PP/PS/HIPS blends: A work oriented to the recycling of thermoplastic wastes
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Recycling of thermoplastic wastes consisting using SEBS/EPR and SBR/EPR as compatibilizers. The effect of PE/PP/PS/HIPS blends was investigated by The effect of the binary compatibilizer systems and processing conditions on the mechanical properties blends are discussed. The SEBS/EPR system allowed blends with better mechanical properties to be obtained than the SBR/EPR system; this was attributed to the chemical structure similarity between compatibilizers and recycled materials. The optimal conditions for processing of the recycled thermoplastics (blends) were found to be 190 degrees C, 14 min of processing time and 3.5 wt.-% of compatibilizer. The morphology and mechanical properties of the blends were discussed using theoretical phase diagrams and models proposed in the literature, and good agreements between these properties were found.