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        Recycling of automotive shredder residue by solid state shear milling technology

        Shuangqiao Yang,Feng Zhong,Meng Wang,Shibing Bai,Qi Wang 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.57 No.-

        The main compositions in automotive shredder residue (ASR) were polymers, up to about 70 wt%, whichis difficult to be separated and classified. In this work, ultrafine ASR powders was prepared through amechanochemical technology called solid state shear milling (S3M) and the melt blending process wasfurther applied to produce value-added polypropylene (PP) composites. Both optical and electronmicroscopy revealed the excellent dispersion and in-situ compatibilization of ASR were achieved in thePP/ASR composites. After S3M treatment the tensile strength, elongation at break and charpy notchedimpact strength of PP/ASR composites were increased by 39%, 285% and 50%, respectively. Moreover, themechanical properties of the composites were even superior to those with addition of PP-g-MAH (acommercial compatibilizer). The ASR recycling strategy proposed here is simple, low cost, efficient andgreen, exhibiting great potential for fabricating non-structural products used in the realms of containerfor waste, plastic garbage bags and the road stone.

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