塑胶跑道抗老剂BHT在非固体原料中含量与成品中释放量关系探究

建立了气相色谱-质谱法测定塑胶跑道非固体原料中2,6-二叔丁基对甲苯酚(BHT)含量的测试方法，在(1～100)mg/L范围内，方法线性相关系数R²=0.99795，检出限为0.012g/kg，定量限为0.040g/kg,RSD在(1.29～2.56)%。将含有BHT的非固体原料制作成塑胶跑道成品，用GB 36246-2018中总挥发性有机化合物(TVOC)释放量测试方法测试BHT释放量。建立非固体原料中BHT含量与成品中BHT释放量的相关性，二者具有较好的线性关系，线性相关系数R²=0.96965。

Study on relationship between content of plastic runway anti-aging agent BHT in non-solid raw materials and its release in finished products

In this paper, the content of 2,6-di-tert-butyl-p-cresol (BHT) in non-solid raw materials is tested by gas chromatography-mass spectrometry, and the release of BHT in finished products prepared from non-solid raw materials is tested by environmental chamber gas chromatography-mass spectrometry. The relationship between the content of BHT in non-solid raw materials and the release of BHT in finished products prepared is obtained. A method is established to estimate the release of BHT in finished products by testing the BHT content in non-solid raw materials, which can provide technical support for enterprises to adjust formulation quickly.