一、研究原理
塑胶跑道又称全天候田径运动跑道,它由聚氨酯预聚体、混合聚醚、废轮胎橡胶、EPDM橡胶粒或PU颗粒、颜料、助剂、填料组成。塑胶跑道具有平整度好、抗压强度高、硬度弹性适当、物理性能稳定的特性,有利于运动员速度和技术的发挥,有效地提高运动成绩,降低摔伤率。塑胶跑道是由聚氨酯橡胶等材料组成的,具有一定的弹性和色彩,具有一定的抗紫外线能力和耐老化力公认的最佳全天候室外运动场地坪材料。2015年11月,安徽、河南、江苏、上海、深圳等多地学校相继发生“毒跑道”事件。所以实验人员为研究材料里的化学元素,需要对塑胶跑道材料进行粉碎研磨。以下实验目的:要求最终研磨出粒度达到1mm左右。以方便后续实验进行。
二、研磨方法
实验步骤:需了解具体步骤,请致电厂家
研磨前图片 研磨后图片
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