The major roadblock for recycling of waste electrical and electronic equipments (WEEE) depends on the viability of sorting process, which is a complex task, involving various techniques such as sink float, froth flotation, optical separation and manual separation, etc. This makes the sorting process highly time consuming and expensive. The primary aim of this investigation is to study the properties of polymeric blends formulated from computer keyboards, by avoiding high end sorting procedure to avoid manpower and instrumental cost. The major polymers recovered from waste keyboards were identified as acrylonitrile butadiene styrene (ABS), high impact polystyrene (HIPS) and polystyrene (PS), using fourier transform infrared (FTIR) spectroscopy. These polymers were subjected to mechanical recycling by employing melt blending technique, followed by injection moulding. A ternary blend was prepared utilizing various percentages of ABS, HIPS and PS. The mechanical test of the blends revealed an optimum tensile strength of 35 ± 3 MPa, flexural strength of 65 ± 3 MPa, and impact strength of 45 ± 3 J/m. The homogeneity of the blends was determined through thermal analysis and morphological analysis of impact fractured specimens. The thermogravimetry analysis (TGA) showed a narrow peak with degradation of 98% of the blends at 700 °C. It was observed that, the properties of blends were similar to each other, which allows to eliminate multiple sorting process reducing cost aspect with improve performance characteristics.

回收废旧电气电子设备（WEEE）的主要障碍取决于分选过程的可行性，这是一项复杂的任务，涉及各种技术，例如水槽浮选，泡沫浮选，光学分离和手动分离等。分拣过程非常耗时且昂贵。这项研究的主要目的是通过避免高端分拣程序来避免人力和仪器成本，研究由计算机键盘配制的聚合物共混物的性能。使用傅立叶变换红外（FTIR）光谱从废键盘中回收的主要聚合物被鉴定为丙烯腈丁二烯苯乙烯（ABS），高抗冲聚苯乙烯（HIPS）和聚苯乙烯（PS）。这些聚合物通过熔融共混技术进行机械回收，然后进行注塑成型。利用各种百分比的ABS，HIPS和PS制备了三元混合物。掺混物的机械测试显示最佳拉伸强度为35±3 MPa，弯曲强度为65±3 MPa，冲击强度为45±3 J / m。共混物的均匀性是通过热分析和冲击断裂试样的形态分析来确定的。热重分析（TGA）显示出一个窄峰，在700°C下降解了98％的共混物。观察到，共混物的性质彼此相似，这可以消除多重分选过程，从而降低了成本，并改善了性能。掺混物的机械测试显示最佳拉伸强度为35±3 MPa，弯曲强度为65±3 MPa，冲击强度为45±3 J / m。共混物的均匀性是通过热分析和冲击断裂试样的形态分析来确定的。热重分析（TGA）显示出一个窄峰，在700°C下降解了98％的共混物。观察到，共混物的性质彼此相似，这可以消除多重分选过程，从而降低了成本，并改善了性能。掺混物的机械测试显示最佳拉伸强度为35±3 MPa，弯曲强度为65±3 MPa，冲击强度为45±3 J / m。共混物的均匀性是通过热分析和冲击断裂试样的形态分析来确定的。热重分析（TGA）显示出一个窄峰，在700°C下降解了98％的共混物。观察到，共混物的性质彼此相似，这可以消除多重分选过程，从而降低了成本，并改善了性能。热重分析（TGA）显示出一个窄峰，在700°C下降解了98％的共混物。观察到，共混物的性质彼此相似，这可以消除多重分选过程，从而降低了成本，并改善了性能。热重分析（TGA）显示出一个窄峰，在700°C下降解了98％的共混物。观察到，共混物的性质彼此相似，这可以消除多重分选过程，从而降低了成本，并改善了性能。