一、研究原理
塑膠跑道又稱全天候田徑運(yùn)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(qiáng)度高、硬度彈性適當(dāng)、物理性能穩(wěn)定的特性,有利于運(yùn)動員速度和技術(shù)的發(fā)揮,有效地提高運(yùn)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(rèn)的最佳全天候室外運(yùn)動場地坪材料。2015年11月,安徽、河南、江蘇、上海、深圳等多地學(xué)校相繼發(fā)生“毒跑道”事件。所以實(shí)驗(yàn)人員為研究材料里的化學(xué)元素,需要對塑膠跑道材料進(jìn)行粉碎研磨。以下實(shí)驗(yàn)?zāi)康模阂笞罱K研磨出粒度達(dá)到1mm左右。以方便后續(xù)實(shí)驗(yàn)進(jìn)行。
二、研磨方法
實(shí)驗(yàn)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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