一、研究原理
塑膠跑道又稱全天候田徑運動跑道,它由聚氨酯預(yù)聚體、混合聚醚、廢輪胎橡膠、EPDM橡膠?;騊U顆粒、顏料、助劑、填料組成。塑膠跑道具有平整度好、抗壓強度高、硬度彈性適當、物理性能穩(wěn)定的特性,有利于運動員速度和技術(shù)的發(fā)揮,有效地提高運動成績,降低摔傷率。塑膠跑道是由聚氨酯橡膠等材料組成的,具有一定的彈性和色彩,具有一定的抗紫外線能力和耐老化力公認的最佳全天候室外運動場地坪材料。2015年11月,安徽、河南、江蘇、上海、深圳等多地學校相繼發(fā)生“毒跑道”事件。所以實驗人員為研究材料里的化學元素,需要對塑膠跑道材料進行粉碎研磨。以下實驗?zāi)康模阂笞罱K研磨出粒度達到1mm左右。以方便后續(xù)實驗進行。
二、研磨方法
實驗步驟:需了解具體步驟,請致電廠家
研磨前圖片 研磨后圖片
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